Commit Graph

72513 Commits

Author SHA1 Message Date
Linus Torvalds
d054796f8b Rust fixes for v7.1 (2nd)
Toolchain and infrastructure:
 
  - Fix 'rustc-option' (the Makefile one) when cross-compiling that leads
    to build or boot failures in certain configs.
 
  - Work around a Rust compiler bug (already fixed for Rust 1.98.0) thats
    lead to boot failures in certain configs due to missing 'uwtable'
    LLVM module flags.
 
  - Support a Rust compiler change (starting with Rust 1.98.0) in the
    unstable target specification JSON files.
 
  - Forbid Rust + arm + KASAN configs, which do not build.
 
 'kernel' crate:
 
  - Fix NOMMU build by adding a missing helper.
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Merge tag 'rust-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux

Pull Rust fixes from Miguel Ojeda:
 "Toolchain and infrastructure:

   - Fix 'rustc-option' (the Makefile one) when cross-compiling that
     leads to build or boot failures in certain configs

   - Work around a Rust compiler bug (already fixed for Rust 1.98.0)
     thats lead to boot failures in certain configs due to missing
     'uwtable' LLVM module flags

   - Support a Rust compiler change (starting with Rust 1.98.0) in the
     unstable target specification JSON files

   - Forbid Rust + arm + KASAN configs, which do not build

  'kernel' crate:

   - Fix NOMMU build by adding a missing helper"

* tag 'rust-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
  rust: x86: support Rust >= 1.98.0 target spec
  rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES
  rust: helpers: add is_vmalloc_addr wrapper for NOMMU builds
  rust: kasan/kbuild: fix rustc-option when cross-compiling
  ARM: Do not select HAVE_RUST when KASAN is enabled
2026-06-06 09:44:42 -07:00
Linus Torvalds
ba3e43a9e6 soc: fixes for 7.1, part 2
Following the previous set of fixes, this addresses another significant
 number of small issues found in firmware drivers (tee, optee, qcomtee,
 qcom ice, exynos acpm) drivers through various tools. This is about
 error handling, resource leaks, concurrency and a use-after-free bug.
 
 The fixes for the Qualcomm ICE driver also introduce interface changes
 in the UFS and MMC drivers using it.
 
 Outside of firmware drivers, there are a few fixes across the tree:
 
  - Minor driver code mistakes in the Atmel EBI memory controller,
    the i.MX soc ID driver and socfpga boot logic
 
  - A defconfig change to avoid a boot time regression on multiple
    qualcomm boards
 
  - Device tree fixes for qualcomm, at91 and gemini, addressing
    mostly minor configuration mistakes
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Merge tag 'soc-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC fixes from Arnd Bergmann:
 "Following the previous set of fixes, this addresses another
  significant number of small issues found in firmware drivers (tee,
  optee, qcomtee, qcom ice, exynos acpm) drivers through various tools.

  This is about error handling, resource leaks, concurrency and a
  use-after-free bug.

  The fixes for the Qualcomm ICE driver also introduce interface changes
  in the UFS and MMC drivers using it.

  Outside of firmware drivers, there are a few fixes across the tree:

   - Minor driver code mistakes in the Atmel EBI memory controller, the
     i.MX soc ID driver and socfpga boot logic

   - A defconfig change to avoid a boot time regression on multiple
     qualcomm boards

   - Device tree fixes for qualcomm, at91 and gemini, addressing mostly
     minor configuration mistakes"

* tag 'soc-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (28 commits)
  firmware: samsung: acpm: Fix infinite loop on sequence number exhaustion
  firmware: samsung: acpm: Fix missing LKMM barriers in sequence allocator
  firmware: samsung: acpm: Fix false timeouts and Use-After-Free in polling
  ARM: dts: gemini: Fix partition offsets
  ARM: socfpga: Fix OF node refcount leak in SMP setup
  soc: qcom: ice: Fix the error code when 'qcom,ice' property is not found
  arm64: dts: qcom: eliza: Add power-domain and iface clk for ice node
  arm64: dts: qcom: milos: Add power-domain and iface clk for ice node
  tee: qcomtee: add missing va_end in early return qcomtee_object_user_init()
  tee: fix params_from_user() error path in tee_ioctl_supp_recv
  tee: shm: fix shm leak in register_shm_helper()
  tee: fix tee_ioctl_object_invoke_arg padding
  arm64: defconfig: Enable PCI M.2 power sequencing driver
  scsi: ufs: ufs-qcom: Remove NULL check from devm_of_qcom_ice_get()
  mmc: sdhci-msm: Remove NULL check from devm_of_qcom_ice_get()
  soc: qcom: ice: Return proper error codes from devm_of_qcom_ice_get() instead of NULL
  soc: qcom: ice: Return -ENODEV if the ICE platform device is not found
  soc: qcom: ice: Fix race between qcom_ice_probe() and of_qcom_ice_get()
  ARM: dts: microchip: sam9x7: fix GMAC clock configuration
  firmware: samsung: acpm: Fix mailbox channel leak on probe error
  ...
2026-06-02 10:54:11 -07:00
Arnd Bergmann
fce4668a01 SoCFPGA dts fix for v7.1
- Fix OF node refcount leak
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Merge tag 'socfpga_fix_for_v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/fixes

SoCFPGA dts fix for v7.1
- Fix OF node refcount leak

* tag 'socfpga_fix_for_v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
  ARM: socfpga: Fix OF node refcount leak in SMP setup

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-06-01 16:25:19 +02:00
Arnd Bergmann
d4715546cc Microchip AT91 fixes for v7.1
This update includes:
 - a fix for the GMAC DT node on SAM9X7 SoC to properly describe the
   available clocks
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Merge tag 'at91-fixes-7.1' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/fixes

Microchip AT91 fixes for v7.1

This update includes:
- a fix for the GMAC DT node on SAM9X7 SoC to properly describe the
  available clocks

* tag 'at91-fixes-7.1' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: dts: microchip: sam9x7: fix GMAC clock configuration

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-06-01 16:25:03 +02:00
Linus Walleij
66ac2df408
ARM: dts: gemini: Fix partition offsets
These FIS partition offsets were never right: the comment clearly
states the FIS index is at 0xfe0000 and 0x7f * 0x200000 is
0xfe0000.

Tested on the iTian SQ201.

Fixes: d88b11ef91 ("ARM: dts: Fix up SQ201 flash access")
Fixes: b5a923f8c7 ("ARM: dts: gemini: Switch to redboot partition parsing")
Signed-off-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-05-28 23:58:35 +02:00
Yuho Choi
63838c3239 ARM: socfpga: Fix OF node refcount leak in SMP setup
socfpga_smp_prepare_cpus() looks up the Cortex-A9 SCU node with
of_find_compatible_node(), which returns a node reference that must be
released with of_node_put().

The function maps the SCU registers and then returns without dropping
that reference, leaking the node on both the success path and the
of_iomap() failure path.

Drop the reference once the mapping attempt is complete. The returned
MMIO mapping does not depend on keeping the device node reference held.

Fixes: 122694a0c7 ("ARM: socfpga: use of_iomap to map the SCU")
Cc: stable@vger.kernel.org
Signed-off-by: Yuho Choi <dbgh9129@gmail.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
2026-05-26 09:53:20 -05:00
Linus Torvalds
7acfa2c5f4 ring-buffer fixes for 7.1:
- Fix reporting MISSED EVENTS in trace iterator
 
   When the "trace" file is read with tracing enabled, if the writer
   were to pass the iterator reader, it resets, sets a "missed_events"
   flag and continues. The tracing output checks for missed events and
   if there are some, it prints out "[LOST EVENTS]" to let the user
   know events were dropped.
 
   But the clearing of the missed_events happened when the tracing system
   queried the ring buffer iterator about missed events. This was premature
   as the ring buffer is per CPU, and the tracing code reads all the
   CPU buffers and checks for missed events when it is read. If the
   CPU iterator that had missed events isn't printed next, the output
   for the LOST EVENTS is lost.
 
   Clear the missed_events flag when the iterator moves to the next event
   and not when the missed_events flag is queried. Also clear it on reset.
 
 - Flush and stop the persistent ring buffer on panic
 
   On panic the persistent ring buffer is used to debug what caused the
   panic. But on some architectures, it requires flushing the memory
   from cache, otherwise, the ring buffer persistent memory may not have
   the last events and this could also cause the ring buffer to be
   corrupted on the next boot.
 
 - Fix nr_subbufs initialization in simple_ring_buffer_init_mm
 
   The remote simple ring buffer  meta data nr_subbufs is initialized
   too early and gets cleared later on, making it zero and not reflect
   the actual number of sub-buffers.
 
 - Fix unload_page for simple_ring_buffer init rollback
 
   On error, the pages loaded need to be unloaded. To unload a page
   it is expected that: page = load_page(va); -> unload_page(page).
   But the code was doing: unload_page(va) and not unload_page(page).
 
 - Create output file from cmd_check_undefined
 
   The check for undefined symbols checks if the file *.o.checked exists
   and if so it skips doing the work. But the *.o.checked file never
   was created making every build do the work even when it was already
   done previously.
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Merge tag 'trace-ringbuffer-v7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull ring-buffer fixes from Steven Rostedt:

 - Fix reporting MISSED EVENTS in trace iterator

   When the "trace" file is read with tracing enabled, if the writer
   were to pass the iterator reader, it resets, sets a "missed_events"
   flag and continues. The tracing output checks for missed events and
   if there are some, it prints out "[LOST EVENTS]" to let the user know
   events were dropped.

   But the clearing of the missed_events happened when the tracing
   system queried the ring buffer iterator about missed events. This was
   premature as the ring buffer is per CPU, and the tracing code reads
   all the CPU buffers and checks for missed events when it is read. If
   the CPU iterator that had missed events isn't printed next, the
   output for the LOST EVENTS is lost.

   Clear the missed_events flag when the iterator moves to the next
   event and not when the missed_events flag is queried. Also clear it
   on reset.

 - Flush and stop the persistent ring buffer on panic

   On panic the persistent ring buffer is used to debug what caused the
   panic. But on some architectures, it requires flushing the memory
   from cache, otherwise, the ring buffer persistent memory may not have
   the last events and this could also cause the ring buffer to be
   corrupted on the next boot.

 - Fix nr_subbufs initialization in simple_ring_buffer_init_mm

   The remote simple ring buffer meta data nr_subbufs is initialized too
   early and gets cleared later on, making it zero and not reflect the
   actual number of sub-buffers.

 - Fix unload_page for simple_ring_buffer init rollback

   On error, the pages loaded need to be unloaded. To unload a page it
   is expected that: page = load_page(va); -> unload_page(page). But the
   code was doing: unload_page(va) and not unload_page(page).

 - Create output file from cmd_check_undefined

   The check for undefined symbols checks if the file *.o.checked exists
   and if so it skips doing the work. But the *.o.checked file never was
   created making every build do the work even when it was already done
   previously.

* tag 'trace-ringbuffer-v7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing: Create output file from cmd_check_undefined
  tracing: Fix unload_page for simple_ring_buffer init rollback
  tracing: Fix nr_subbufs initialization in simple_ring_buffer_init_mm()
  ring-buffer: Flush and stop persistent ring buffer on panic
  ring-buffer: Fix reporting of missed events in iterator
2026-05-21 14:05:09 -07:00
Masami Hiramatsu (Google)
a494d3c8d5 ring-buffer: Flush and stop persistent ring buffer on panic
On real hardware, panic and machine reboot may not flush hardware cache
to memory. This means the persistent ring buffer, which relies on a
coherent state of memory, may not have its events written to the buffer
and they may be lost. Moreover, there may be inconsistency with the
counters which are used for validation of the integrity of the
persistent ring buffer which may cause all data to be discarded.

To avoid this issue, stop recording of the ring buffer on panic and
flush the cache of the ring buffer's memory.

Fixes: e645535a95 ("tracing: Add option to use memmapped memory for trace boot instance")
Cc: stable@vger.kernel.org
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Ian Rogers <irogers@google.com>
Link: https://patch.msgid.link/177751969602.2136606.12031934362587643488.stgit@mhiramat.tok.corp.google.com
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2026-05-21 08:20:58 -04:00
Mihai Sain
765aaba184 ARM: dts: microchip: sam9x7: fix GMAC clock configuration
The GMAC node incorrectly listed four clocks, including a separate tx_clk
and a TSU GCK clock sourced from ID 67. According to the SAM9X7 clocking
scheme, the GMAC uses only three clocks: HCLK, PCLK, and the TSU GCK
derived from the GMAC peripheral clock (ID 24).

Remove the unused tx_clk, update the clock-names accordingly, and correct
the assigned clock to use GCK 24 instead of GCK 67. This aligns the device
tree with the actual hardware clock topology and prevents misconfiguration
of the GMAC clock tree.

[root@SAM9X75 ~]$ cat /sys/kernel/debug/clk/clk_summary | grep gmac

gmac_gclk      1       1        1        266666666   0          0     50000      Y         f802c000.ethernet           tsu_clk
                                                                                           f802c000.ethernet           tsu_clk
gmac_clk       2       2        0        266666666   0          0     50000      Y         f802c000.ethernet           hclk
                                                                                           f802c000.ethernet           pclk

Fixes: 41af45af8b ("ARM: dts: at91: sam9x7: add device tree for SoC")
Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
Link: https://lore.kernel.org/r/20260309075329.1528-5-mihai.sain@microchip.com
[claudiu.beznea: massaged the patch description]
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
2026-05-16 19:52:37 +03:00
Nathan Chancellor
84a0f7caaf ARM: Do not select HAVE_RUST when KASAN is enabled
When KASAN is enabled, such as with allmodconfig, the build fails when
building the Rust code with:

  error: kernel-address sanitizer is not supported for this target

  error: aborting due to 1 previous error

  make[4]: *** [rust/Makefile:654: rust/core.o] Error 1

The arm-unknown-linux-gnueabi target does not support KASAN, so avoid
saying Rust is supported when it is enabled.

Cc: stable@vger.kernel.org
Fixes: ccb8ce5268 ("ARM: 9441/1: rust: Enable Rust support for ARMv7")
Link: https://github.com/Rust-for-Linux/linux/issues/1234
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Christian Schrefl <chrisi.schrefl@gmail.com>
Link: https://patch.msgid.link/20260511-arm-avoid-rust-with-kasan-v1-1-24d55f4a900b@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2026-05-15 01:15:53 +02:00
Guenter Roeck
90d77b30a6
ARM: integrator: Fix early initialization
Starting with commit bdb249fce9 ("ARM: integrator: read counter using
syscon/regmap"), intcp_init_early calls syscon_regmap_lookup_by_compatible
which in turn calls of_syscon_register. This function allocates memory.
Since the memory management code has not been initialized at that time,
the call always fails. It either returns -ENOMEM or crashes as follows.

Unable to handle kernel NULL pointer dereference at virtual address 0000000c when read
[0000000c] *pgd=00000000
Internal error: Oops: 5 [#1] ARM
Modules linked in:
CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.15.0-rc5-00026-g5fcc9bf84ee5 #1 PREEMPT
Hardware name: ARM Integrator/CP (Device Tree)
PC is at __kmalloc_cache_noprof+0xec/0x39c
LR is at __kmalloc_cache_noprof+0x34/0x39c
...
Call trace:
 __kmalloc_cache_noprof from of_syscon_register+0x7c/0x310
 of_syscon_register from device_node_get_regmap+0xa4/0xb0
 device_node_get_regmap from intcp_init_early+0xc/0x40
 intcp_init_early from start_kernel+0x60/0x688
 start_kernel from 0x0

The crash is seen due to a dereferenced pointer which is not supposed to be
NULL but is NULL if the memory management subsystem has not been
initialized. The crash is not seen with all versions of gcc. Some versions
such as gcc 9.x apparently do not dereference the pointer, presumably if
tracing is disabled. The problem has been reproduced with gcc 10.x, 11.x,
and 13.x. Either case, if the crash is not seen, the call to
syscon_regmap_lookup_by_compatible returns -ENOMEM, and
sched_clock_register is never called.

Fix the problem by moving the early initialization code into the standard
machine initialization code.

Fixes: bdb249fce9 ("ARM: integrator: read counter using syscon/regmap")
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/20250518164118.3859567-1-linux@roeck-us.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20260505-integrator-fixes-v1-1-56ab9aac59db@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-05-07 14:03:21 +02:00
Marek Vasut
ab83176d3c ARM: dts: renesas: rskrza1: Drop superfluous cells
Drop superfluous address-cells and size-cells to fix DTC W=1 warning:

    arch/arm/boot/dts/renesas/r7s72100-rskrza1.dts:32.17-72.4: Warning (avoid_unnecessary_addr_size): /flash@18000000: unnecessary #address-cells/#size-cells without "ranges", "dma-ranges" or child "reg" or "ranges" property

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Fixes: 98537eb77d ("ARM: dts: renesas: rskrza1: Add FLASH nodes")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260327234244.91707-7-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2026-04-27 11:14:30 +02:00
Marek Vasut
714e1d6bba ARM: dts: renesas: genmai: Drop superfluous cells
Drop superfluous address-cells and size-cells to fix DTC W=1 warning:

    arch/arm/boot/dts/renesas/r7s72100-genmai.dts:28.17-55.4: Warning (avoid_unnecessary_addr_size): /flash@18000000: unnecessary #address-cells/#size-cells without "ranges", "dma-ranges" or child "reg" or "ranges" property

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Fixes: 30e0a8cf88 ("ARM: dts: renesas: genmai: Add FLASH nodes")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260327234244.91707-6-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2026-04-27 11:14:30 +02:00
Marek Vasut
c5f21e57e7 ARM: dts: renesas: r7s72100: Add missing unit address to bus node
Add missing unit address to bus node to fix the following DTC W=1
warning:

    arch/arm/boot/dts/renesas/r7s72100.dtsi:40.11-46.4: Warning (unit_address_vs_reg): /bus: node has a reg or ranges property, but no unit name

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260327234244.91707-5-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2026-04-27 11:14:30 +02:00
Marek Vasut
78c459d057 ARM: dts: renesas: r8a7792: Add missing unit address to bus node
Add missing unit address to bus node to fix the following DTC W=1
warning:

    arch/arm/boot/dts/renesas/r8a7792.dtsi:89.12-94.4: Warning (unit_address_vs_reg): /bus: node has a reg or ranges property, but no unit name

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260327234244.91707-4-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2026-04-27 11:14:30 +02:00
Marek Vasut
fd62c046cd ARM: dts: renesas: r8a7779: Add missing unit address to bus node
Add missing unit address to bus node to fix the following DTC W=1
warning:

    arch/arm/boot/dts/renesas/r8a7779.dtsi:707.12-712.4: Warning (unit_address_vs_reg): /bus: node has a reg or ranges property, but no unit name

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260327234244.91707-3-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2026-04-27 11:14:30 +02:00
Marek Vasut
1ca2d1af38 ARM: dts: renesas: r8a7778: Add missing unit address to bus node
Add missing unit address to bus node to fix the following DTC W=1
warning:

    arch/arm/boot/dts/renesas/r8a7778.dtsi:43.12-48.4: Warning (unit_address_vs_reg): /bus: node has a reg or ranges property, but no unit name

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260327234244.91707-2-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2026-04-27 11:14:30 +02:00
Linus Torvalds
129d6eb266 ARM development for 7.1-rc1
Several development updates for 7.1-rc1:
 - fix a race condition handling PG_dcache_clean
 - further cleanups for the fault handling, allowing RT to be enabled
 - fixing nzones validation in adfs filesystem driver
 - fix for module unwinding
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux

Pull ARM updates from Russell King:

 - fix a race condition handling PG_dcache_clean

 - further cleanups for the fault handling, allowing RT to be enabled

 - fixing nzones validation in adfs filesystem driver

 - fix for module unwinding

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
  ARM: 9463/1: Allow to enable RT
  ARM: 9472/1: fix race condition on PG_dcache_clean in __sync_icache_dcache()
  ARM: 9471/1: module: fix unwind section relocation out of range error
  fs/adfs: validate nzones in adfs_validate_bblk()
  ARM: provide individual is_translation_fault() and is_permission_fault()
  ARM: move FSR fault status definitions before fsr_fs()
  ARM: use BIT() and GENMASK() for fault status register fields
  ARM: move is_permission_fault() and is_translation_fault() to fault.h
  ARM: move vmalloc() lazy-page table population
  ARM: ensure interrupts are enabled in __do_user_fault()
2026-04-25 07:44:26 -07:00
Linus Torvalds
64edfa6506 Delete some obsolete networking code
Old code like amateur radio and NFC have long been a burden
 to core networking developers. syzbot loves to find bugs
 in BKL-era code, and noobs try to fix them.
 
 If we want to have a fighting chance of surviving the LLM-pocalypse
 this code needs to find a dedicated owner or get deleted.
 We've talked about these deletions multiple times in the past
 and every time someone wanted the code to stay. It is never
 very clear to me how many of those people actually use the code
 vs are just nostalgic to see it go. Amateur radio did have
 occasional users (or so I think) but most users switched
 to user space implementations since its all super slow stuff.
 Nobody stepped up to maintain the kernel code.
 
 We were lucky enough to find someone who wants to help with NFC
 so we're giving that a chance. Let's try to put the rest of
 this code behind us.
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-deletions' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking deletions from Jakub Kicinski:
 "Delete some obsolete networking code

  Old code like amateur radio and NFC have long been a burden to core
  networking developers. syzbot loves to find bugs in BKL-era code, and
  noobs try to fix them.

  If we want to have a fighting chance of surviving the LLM-pocalypse
  this code needs to find a dedicated owner or get deleted. We've talked
  about these deletions multiple times in the past and every time
  someone wanted the code to stay. It is never very clear to me how many
  of those people actually use the code vs are just nostalgic to see it
  go. Amateur radio did have occasional users (or so I think) but most
  users switched to user space implementations since its all super slow
  stuff. Nobody stepped up to maintain the kernel code.

  We were lucky enough to find someone who wants to help with NFC so
  we're giving that a chance. Let's try to put the rest of this code
  behind us"

* tag 'net-deletions' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next:
  drivers: net: 8390: wd80x3: Remove this driver
  drivers: net: 8390: ultra: Remove this driver
  drivers: net: 8390: AX88190: Remove this driver
  drivers: net: fujitsu: fmvj18x: Remove this driver
  drivers: net: smsc: smc91c92: Remove this driver
  drivers: net: smsc: smc9194: Remove this driver
  drivers: net: amd: nmclan: Remove this driver
  drivers: net: amd: lance: Remove this driver
  drivers: net: 3com: 3c589: Remove this driver
  drivers: net: 3com: 3c574: Remove this driver
  drivers: net: 3com: 3c515: Remove this driver
  drivers: net: 3com: 3c509: Remove this driver
  net: packetengines: remove obsolete yellowfin driver and vendor dir
  net: packetengines: remove obsolete hamachi driver
  net: remove unused ATM protocols and legacy ATM device drivers
  net: remove ax25 and amateur radio (hamradio) subsystem
  net: remove ISDN subsystem and Bluetooth CMTP
  caif: remove CAIF NETWORK LAYER
2026-04-24 09:41:58 -07:00
Sebastian Andrzej Siewior
c6e61c06d6 ARM: 9463/1: Allow to enable RT
All known issues have been adressed.
Allow to select RT.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2026-04-24 15:14:59 +01:00
Russell King (Oracle)
6f685f12fd Merge branches 'adfs', 'arm-fault-handling', 'fixes' and 'misc' 2026-04-24 15:14:44 +01:00
Brian Ruley
75f9a484e8 ARM: 9472/1: fix race condition on PG_dcache_clean in __sync_icache_dcache()
This bug was already discovered and fixed for arm64 in
commit 588a513d34 ("arm64: Fix race condition on PG_dcache_clean in
__sync_icache_dcache()").

Verified with added instrumentation to track dcache flushes in a ring
buffer, as shown by the (distilled) output:

  kernel: SIGILL at b6b80ac0 cpu 1 pid 32663 linux_pte=8eff659f
          hw_pte=8eff6e7e young=1 exec=1
  kernel: dcache flush START   cpu0 pfn=8eff6 ts=48629557020154
  kernel: dcache flush SKIPPED cpu1 pfn=8eff6 ts=48629557020154
  kernel: dcache flush FINISH  cpu0 pfn=8eff6 ts=48629557036154
  audisp-syslog: comm="journalctl" exe="/usr/bin/journalctl" sig=4 [...]

Discussions in the mailing list mentioned that arch/arm is also affected
but the fix was never applied to it [1][2]. Apply the change now, since
the race condition can cause sporadic SIGILL's and SEGV's especially
while under high memory pressure.

Link: https://lore.kernel.org/all/adzMOdySgMIePcue@willie-the-truck [1]
Link: https://lore.kernel.org/all/20210514095001.13236-1-catalin.marinas@arm.com [2]
Signed-off-by: Brian Ruley <brian.ruley@gehealthcare.com>
Reviewed-by: Will Deacon <will@kernel.org>
Cc: <stable@vger.kernel.org>
Fixes: 6012191aa9 ("ARM: 6380/1: Introduce __sync_icache_dcache() for VIPT caches")
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2026-04-24 15:12:52 +01:00
Andrew Lunn
9fdf9f61fa drivers: net: smsc: smc9194: Remove this driver
The smc9194 was written by Erik Stahlman in 1996. It is an ISA device,
so unlikely to be used with modern kernels.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260422-v7-0-0-net-next-driver-removal-v1-v2-7-08a5b59784d5@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 15:56:49 -07:00
Jakub Kicinski
6deb535950 net: remove unused ATM protocols and legacy ATM device drivers
Remove the ATM protocol modules and PCI/SBUS ATM device drivers
that are no longer in active use.

The ATM core protocol stack, PPPoATM, BR2684, and USB DSL modem
drivers (drivers/usb/atm/) are retained in-tree to maintain PPP
over ATM (PPPoA) and PPPoE-over-BR2684 support for DSL connections.
The Solos ADSL2+ PCI driver is also retained.

Removed ATM protocol modules:
 - net/atm/clip.c - Classical IP over ATM (RFC 2225)
 - net/atm/lec.c - LAN Emulation Client (LANE)
 - net/atm/mpc.c, mpoa_caches.c, mpoa_proc.c - Multi-Protocol Over ATM

Removed PCI/SBUS ATM device drivers (drivers/atm/):
 - adummy, atmtcp - software/testing ATM devices
 - eni - Efficient Networks ENI155P (OC-3, ~1995)
 - fore200e - FORE Systems 200E PCI/SBUS (OC-3, ~1999)
 - he - ForeRunner HE (OC-3/OC-12, ~2000)
 - idt77105 - IDT 77105 25 Mbps ATM PHY
 - idt77252 - IDT 77252 NICStAR II (OC-3, ~2000)
 - iphase - Interphase ATM PCI (OC-3/DS3/E3)
 - lanai - Efficient Networks Speedstream 3010
 - nicstar - IDT 77201 NICStAR (155/25 Mbps, ~1999)
 - suni - PMC S/UNI SONET PHY library

Also clean up references in:
 - net/bridge/ - remove ATM LANE hook (br_fdb_test_addr_hook,
   br_fdb_test_addr)
 - net/core/dev.c - remove br_fdb_test_addr_hook export
 - defconfig files - remove ATM driver config options

The removed code is moved to an out-of-tree module package (mod-orphan).

Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20260422041846.2035118-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 12:21:14 -07:00
Jakub Kicinski
6d5431555d caif: remove CAIF NETWORK LAYER
Remove CAIF (Communication CPU to Application CPU Interface), the
ST-Ericsson modem protocol. The subsystem has been orphaned since 2013.
The last meaningful changes from the maintainers were in March 2013:
  a8c7687bf2 ("caif_virtio: Check that vringh_config is not null")
  b2273be8d2 ("caif_virtio: Use vringh_notify_enable correctly")
  0d2e1a2926 ("caif_virtio: Introduce caif over virtio")

Not-so-coincidentally, according to "the Internet" ST-Ericsson officially
shut down its modem joint venture in Aug 2013.

If anyone is using this code please yell!

In the 13 years since, the code has accumulated 200 non-merge commits,
of which 71 were cross-tree API changes, 21 carried Fixes: tags, and
the remaining ~110 were cleanups, doc conversions, treewide refactors,
and one partial removal (caif_hsi, ca75bcf0a8).

We are still getting fixes to this code, in the last 10 days there were
3 reports on security@ about CAIF that I have been CCed on.

UAPI constants (AF_CAIF, ARPHRD_CAIF, N_CAIF, VIRTIO_ID_CAIF) and the
SELinux classmap entry are intentionally kept for ABI stability.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260416182829.1440262-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-23 10:23:44 -07:00
Linus Torvalds
507bd4b66c soc: late changes for 7.1
These are the contents that arrived during the easter vacation and didn't
 make it into the last 7.0 bugfixes or the first set of branches for the
 merge window. Aside from a reset controller bugfix and an update to the
 MAINTAINERS entry, this is all devicetree changes.
 
 The Marvell devicetree updates contain the usual minor updates and bugfixes,
 along with a two larger but trivial patches to drop unused dtsi files,
 the single broadcom fix addresses a build time warning introduced during
 the merge window.
 
 The freescale, amlogic, and apple changes missed the last fixes branch
 for 7.0.
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Merge tag 'soc-late-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull more SoC updates from Arnd Bergmann:
 "These are the contents that arrived during the easter vacation and
  didn't make it into the last 7.0 bugfixes or the first set of branches
  for the merge window. Aside from a reset controller bugfix and an
  update to the MAINTAINERS entry, this is all devicetree changes.

  The Marvell devicetree updates contain the usual minor updates and
  bugfixes, along with a two larger but trivial patches to drop unused
  dtsi files, the single broadcom fix addresses a build time warning
  introduced during the merge window.

  The freescale, amlogic, and apple changes missed the last fixes branch
  for 7.0"

* tag 'soc-late-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits)
  arm64: dts: meson-gxl-p230: fix ethernet PHY interrupt number
  arm64: dts: amlogic: meson-axg: Add missing cache information to cpu0
  arm64: dts: amlogic: t7: khadas-vim4: fix board model name
  arm64: dts: amlogic: Fix GIC register ranges for Amlogic T7
  arm64: dts: amlogic: t7: khadas-vim4: fix memory layout for 8GB RAM
  arm64: dts: amlogic: s6: Drop CPU masks from GICv3 PPI interrupts
  Documentation/process: maintainer-soc: Document purpose of defconfigs
  Documentation/process: maintainer-soc: Trim from trivial ask-DT
  ARM: dts: bcm4709: fix bus range assignment
  arm64: dts: apple: Fix spelling error
  dt-bindings: Update Sasha Finkelstein's email address
  mailmap: Update Sasha Finkelstein's email address
  arm64: dts: marvell: armada-37xx: swap PHYs' order in USB3 controller node
  arm64: dts: marvell: armada-37xx: use 'usb2-phy' in USB3 controller's phy-names
  arm64: dts: imx8mm-tqma8mqml: Correct PAD settings for PMIC_nINT
  arm64: dts: imx8mn-tqma8mqnl: Correct PAD settings for PMIC_nINT
  arm64: dts: imx8mm-emtop-som: Correct PAD settings for PMIC_nINT
  reset: amlogic: t7: Fix null reset ops
  arm64: dts: imx8mp-data-modul-edm-sbc: Correct PAD settings for PMIC_nINT
  arm64: dts: imx8mp-dhcom-som: Correct PAD settings for PMIC_nINT
  ...
2026-04-23 08:57:24 -07:00
Arnd Bergmann
b1bf0efcd9
ARM: dts: bcm4709: fix bus range assignment
The netgear r8000 dts file limits the bus range for the first host
bridge to exclude bus 0, but the two devices on the first bus are
explicitly assigned to bus 0, causing a build time warning:

/home/arnd/arm-soc/arch/arm/boot/dts/broadcom/bcm4709-netgear-r8000.dts:142.3-27: Warning (pci_device_bus_num): /axi@18000000/pcie@13000/pcie@0/pcie@0,0/pcie@1,0:bus-range: PCI bus number 0 out of range, expected (1 - 255)
/home/arnd/arm-soc/arch/arm/boot/dts/broadcom/bcm4709-netgear-r8000.dts:142.3-27: Warning (pci_device_bus_num): /axi@18000000/pcie@13000/pcie@0/pcie@0,0/pcie@2,0:bus-range: PCI bus number 0 out of range, expected (1 - 255)

As Rosen mentioned, the bus-range property was a mistake, so just
remove it and keep the reg values pointing to bus 0, which is
allowed by the default bus range of the SoC.

Fixes: 893faf6743 ("ARM: dts: BCM5301X: add root pcie bridges")
Suggested-by: Rosen Penev <rosenp@gmail.com>
Link: https://lore.kernel.org/r/20260414064754.3129667-1-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-04-20 17:03:36 +02:00
Arnd Bergmann
de65fe9160 mvebu dt64 for 7.1 (part 1)
- Armada 37xx/3720 device tree fixes:
    - Reorder USB PHYs, standardize names, drop undocumented
      properties, fix schema alignment
 
 - Add Marvell 7k COMe board bindings and uDPU ethernet aliases
 
 - Cleanup: drop unused .dtsi files
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Merge tag 'mvebu-dt64-7.1-1' of https://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu into soc/late2

mvebu dt64 for 7.1 (part 1)

- Armada 37xx/3720 device tree fixes:
   - Reorder USB PHYs, standardize names, drop undocumented
     properties, fix schema alignment

- Add Marvell 7k COMe board bindings and uDPU ethernet aliases

- Cleanup: drop unused .dtsi files

* tag 'mvebu-dt64-7.1-1' of https://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu:
  arm64: dts: marvell: armada-37xx: swap PHYs' order in USB3 controller node
  arm64: dts: marvell: armada-37xx: use 'usb2-phy' in USB3 controller's phy-names
  arm64: dts: marvell: armada-37xx: drop 'marvell,usb-misc-reg' from USB host nodes
  arm64: dts: marvell: armada-37xx: drop redundant status property
  arm64: dts: marvell: armada-37xx: align 'phy-names' of EHCI node with DT schema
  dt-bindings: arm64: add Marvell 7k COMe boards
  arm64: dts: marvell: armada-3720: drop 'marvell,xenon-emmc' properties
  arm64: dts: marvell: uDPU: add ethernet aliases
  arm/arm64: dts: marvell: Drop unused .dtsi
  arm64: dts: a7k: use phy handle

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2026-04-20 17:03:16 +02:00
Linus Torvalds
eb0d6d97c2 bpf-fixes
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Pull bpf fixes from Alexei Starovoitov:
 "Most of the diff stat comes from Xu Kuohai's fix to emit ENDBR/BTI,
  since all JITs had to be touched to move constant blinding out and
  pass bpf_verifier_env in.

   - Fix use-after-free in arena_vm_close on fork (Alexei Starovoitov)

   - Dissociate struct_ops program with map if map_update fails (Amery
     Hung)

   - Fix out-of-range and off-by-one bugs in arm64 JIT (Daniel Borkmann)

   - Fix precedence bug in convert_bpf_ld_abs alignment check (Daniel
     Borkmann)

   - Fix arg tracking for imprecise/multi-offset in BPF_ST/STX insns
     (Eduard Zingerman)

   - Copy token from main to subprogs to fix missing kallsyms (Eduard
     Zingerman)

   - Prevent double close and leak of btf objects in libbpf (Jiri Olsa)

   - Fix af_unix null-ptr-deref in sockmap (Michal Luczaj)

   - Fix NULL deref in map_kptr_match_type for scalar regs (Mykyta
     Yatsenko)

   - Avoid unnecessary IPIs. Remove redundant bpf_flush_icache() in
     arm64 and riscv JITs (Puranjay Mohan)

   - Fix out of bounds access. Validate node_id in arena_alloc_pages()
     (Puranjay Mohan)

   - Reject BPF-to-BPF calls and callbacks in arm32 JIT (Puranjay Mohan)

   - Refactor all JITs to pass bpf_verifier_env to emit ENDBR/BTI for
     indirect jump targets on x86-64, arm64 JITs (Xu Kuohai)

   - Allow UTF-8 literals in bpf_bprintf_prepare() (Yihan Ding)"

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (32 commits)
  bpf, arm32: Reject BPF-to-BPF calls and callbacks in the JIT
  bpf: Dissociate struct_ops program with map if map_update fails
  bpf: Validate node_id in arena_alloc_pages()
  libbpf: Prevent double close and leak of btf objects
  selftests/bpf: cover UTF-8 trace_printk output
  bpf: allow UTF-8 literals in bpf_bprintf_prepare()
  selftests/bpf: Reject scalar store into kptr slot
  bpf: Fix NULL deref in map_kptr_match_type for scalar regs
  bpf: Fix precedence bug in convert_bpf_ld_abs alignment check
  bpf, arm64: Emit BTI for indirect jump target
  bpf, x86: Emit ENDBR for indirect jump targets
  bpf: Add helper to detect indirect jump targets
  bpf: Pass bpf_verifier_env to JIT
  bpf: Move constants blinding out of arch-specific JITs
  bpf, sockmap: Take state lock for af_unix iter
  bpf, sockmap: Fix af_unix null-ptr-deref in proto update
  selftests/bpf: Extend bpf_iter_unix to attempt deadlocking
  bpf, sockmap: Fix af_unix iter deadlock
  bpf, sockmap: Annotate af_unix sock:: Sk_state data-races
  selftests/bpf: verify kallsyms entries for token-loaded subprograms
  ...
2026-04-17 15:58:22 -07:00
Linus Torvalds
ba314ed1bf hwspinlock updates for v7.1
Remove the unused u8500 hardware spinlock driver, and clean out the
 hwspinlock_pdata struct as this was the last user of the struct.
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Merge tag 'hwlock-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "Remove the unused u8500 hardware spinlock driver, and clean out the
  hwspinlock_pdata struct as this was the last user of the struct"

* tag 'hwlock-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  hwspinlock: remove now unused pdata from header file
  hwspinlock: u8500: delete driver
2026-04-17 14:21:40 -07:00
Puranjay Mohan
e1d486445a bpf, arm32: Reject BPF-to-BPF calls and callbacks in the JIT
The ARM32 BPF JIT does not support BPF-to-BPF function calls
(BPF_PSEUDO_CALL) or callbacks (BPF_PSEUDO_FUNC), but it does
not reject them either.

When a program with subprograms is loaded (e.g. libxdp's XDP
dispatcher uses __noinline__ subprograms, or any program using
callbacks like bpf_loop or bpf_for_each_map_elem), the verifier
invokes bpf_jit_subprogs() which calls bpf_int_jit_compile()
for each subprogram.

For BPF_PSEUDO_CALL, since ARM32 does not reject it, the JIT
silently emits code using the wrong address computation:

    func = __bpf_call_base + imm

where imm is a pc-relative subprogram offset, producing a bogus
function pointer.

For BPF_PSEUDO_FUNC, the ldimm64 handler ignores src_reg and
loads the immediate as a normal 64-bit value without error.

In both cases, build_body() reports success and a JIT image is
allocated. ARM32 lacks the jit_data/extra_pass mechanism needed
for the second JIT pass in bpf_jit_subprogs(). On the second
pass, bpf_int_jit_compile() performs a full fresh compilation,
allocating a new JIT binary and overwriting prog->bpf_func. The
first allocation is never freed. bpf_jit_subprogs() then detects
the function pointer changed and aborts with -ENOTSUPP, but the
original JIT binary has already been leaked. Each program
load/unload cycle leaks one JIT binary allocation, as reported
by kmemleak:

    unreferenced object 0xbf0a1000 (size 4096):
      backtrace:
        bpf_jit_binary_alloc+0x64/0xfc
        bpf_int_jit_compile+0x14c/0x348
        bpf_jit_subprogs+0x4fc/0xa60

Fix this by rejecting both BPF_PSEUDO_CALL in the BPF_CALL
handler and BPF_PSEUDO_FUNC in the BPF_LD_IMM64 handler, falling
through to the existing 'notyet' path. This causes build_body()
to fail before any JIT binary is allocated, so
bpf_int_jit_compile() returns the original program unjitted.
bpf_jit_subprogs() then sees !prog->jited and cleanly falls
back to the interpreter with no leak.

Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Fixes: 1c2a088a66 ("bpf: x64: add JIT support for multi-function programs")
Reported-by: Jonas Rebmann <jre@pengutronix.de>
Closes: https://lore.kernel.org/bpf/b63e9174-7a3d-4e22-8294-16df07a4af89@pengutronix.de
Tested-by: Jonas Rebmann <jre@pengutronix.de>
Signed-off-by: Puranjay Mohan <puranjay@kernel.org>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Link: https://lore.kernel.org/r/20260417143353.838911-1-puranjay@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-04-17 12:05:45 -07:00
Linus Torvalds
8242c709d4 soc: ARM code changes for 7.1
These are again very minimal updates:
 
  - A workaround for firmware on Google Nexus 10
  - A fix for early debugging on OMAP1
  - A rework for Microchip SoC configuration
  - Cleanups on OMAP2 an R-Car-Gen2
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Merge tag 'soc-arm-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC ARM code updates from Arnd Bergmann:
 "These are again very minimal updates:

   - A workaround for firmware on Google Nexus 10

   - A fix for early debugging on OMAP1

   - A rework for Microchip SoC configuration

   - Cleanups on OMAP2 an R-Car-Gen2"

* tag 'soc-arm-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: omap2: dead code cleanup in kconfig for ARCH_OMAP4
  ARM: OMAP1: Fix DEBUG_LL and earlyprintk on OMAP16XX
  arm64: Kconfig: provide a top-level switch for Microchip platforms
  ARM: shmobile: rcar-gen2: Use of_phandle_args_equal() helper
  ARM: omap: fix all kernel-doc warnings
  ARM: omap2: Replace scnprintf with strscpy in omap3_cpuinfo
  ARM: samsung: exynos5250: Allow CPU1 to boot
2026-04-16 20:45:14 -07:00
Linus Torvalds
231d703058 soc: defconfig updates for 7.1
As usual, we enable a number of additional device drivers as loadable
 modules, to support the added platforms. The largest change this time
 is for OMAP2/3, which were not that well supported in the generic arm32
 defconfig.
 
 The Tegra SoC platforms are now enabled by default in Kconfig when
 ARCH_TEGRA is enabled, which means the defconfig change is done at
 the same time as the Kconfig change here.
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Merge tag 'soc-defconfig-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC defconfig updates from Arnd Bergmann:
 "As usual, we enable a number of additional device drivers as loadable
  modules, to support the added platforms. The largest change this time
  is for OMAP2/3, which were not that well supported in the generic
  arm32 defconfig.

  The Tegra SoC platforms are now enabled by default in Kconfig when
  ARCH_TEGRA is enabled, which means the defconfig change is done at the
  same time as the Kconfig change here"

* tag 'soc-defconfig-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
  arch/arm: Drop CONFIG_FIRMWARE_EDID from defconfig files
  arm64: defconfig: Enable DP83TG720 PHY driver
  arm64: tegra: defconfig: Drop redundant ARCH_TEGRA_foo_SOC
  ARM: tegra: defconfig: Drop redundant ARCH_TEGRA_foo_SOC
  arm64: defconfig: enable pci-pwrctrl-generic as module
  arm64: defconfig: Enable Lontium LT8713sx driver
  arm64: defconfig: Enable Qualcomm Eliza SoC display clock controller
  arm64: defconfig: enable IPQ5210 RDP504 base configs
  arm64: defconfig: Enable Milos LPASS LPI pinctrl driver
  arm64: defconfig: Enable Kaanapali clock controllers
  arm64: defconfig: Enable configs for Arduino VENTUNO Q
  arm64: defconfig: Enable Qualcomm Eliza basic resource providers
  arm64: defconfig: Enable S5KJN1 camera sensor
  arm64: defconfig: Enable configurations for Toradex Aquila AM69
  arm64: defconfig: remove SENSORS_SA67MCU
  arm64: defconfig: Enable Qualcomm WCD937x headphone codec as module
  arm64: defconfig: Enable QCOMTEE module for QTEE-enabled Qualcomm SoCs
  ARM: shmobile: defconfig: Refresh for v7.0-rc1
  arm: multi_v7_defconfig: Enable more OMAP 3/4 related configs
  ARM: multi_v7_defconfig: omap2plus_defconfig: Enable ITE IT66121 driver
  ...
2026-04-16 20:40:20 -07:00
Linus Torvalds
e65f4718a5 soc: dt changes for 7.1
A number of SoC platforms are adding modernized variants of their
 already supported chips time, with a total of 12 new SoCs,
 and two older SoC getting removed:
 
  - Qualcomm Glymur is a compute SoC using 18 Oryon-2 CPU cores
  - Qualcomm Mahua is a variant of Glymur with only 12 CPU cores, but
    largely identical.
  - Qualcomm Eliza is an embeded platform for mobile phone (SM7750) and IOT
    (QC7790S/M) workloads
  - Qualcomm IPQ5210 is a wireless networking SoC using Cortex-A53 cores
  - Qualcomm apq8084 and ipq806x had only rudimentary support but no
    actual products using them, so they are now gone.
  - Axis ARTPEC-9 is a follow-up to the ARTPEC-8 embedded SoC, using
    the Samsung SoC platform but now with Cortex-A55 cores
  - ARM Zena is a virtual platform in FVP using Cortex-A720AE cores, with
    additional versions planned to be merged in the future.
  - ARM corstone-1000-a320 is a reference platform for IOT, using low-end
    Cortex-A320 cores
  - Microchip LAN9691 is an updated 64-bit variant of the arm32 lan966x
    series of networking SoCs
  - Microchip PIC64GX is an embedded RISC-V chip using SIFIVE U54 CPU cores
  - Rockchip RV1103B is the low-end 32-bit single-core vision processor
  - Renesas RZ/G3L (r9a08g046) is an industrial embedded chip using
    Cortex-A55 cores, similar to the G3E and G3S variants we already
    supported.
  - NXP S32N79 is an automotive SoC using Cortex-A78AE cores, a
    significant upgrade from the older S32V and S32G series
 
 These all come with at least one reference board or an initial product
 using these, in total there are 67 newly added boards. The ones for
 already supported SoCs are:
 
  - Two more Aspeed BMC based boards
  - Three older tablets based on 32-bit OMAP4 and Exynos5 SoCs
  - One Set-top-box based on Allwinner H6
  - 22 additional industrial/embedded boards using 64-bit NXP i.MX8M
    or i.MX9 SoCs
  - 20 Qualcomm SoC based machines across all possible markets:
    workstation, gaming, laptop, phone, networking, reference, ...
  - Three more Rockchips rk35xx based boards
  - Four variants of the Toradex Verdin using TI AM62
 
 Other notable bits are:
 
  - A cleanup for the 32-bit Tegra paz00 board moved the last
    board specific code on Tegra into equivalent dts syntax.
  - There continues to be a significant number of fixes for static
    checking of dtc syntax, but it feels like this is slowing down,
    hopefully getting into a state where most known issues are
    addressed
  - Additional hardware support for many existing boards across SoC
    families, notably Qualcomm, Broadcom, i.MX2, i.MX6, Rockchips,
    STM32, Mediatek, Tegra, TI and Microchip
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Merge tag 'soc-dt-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC devicetree updates from Arnd Bergmann:
 "A number of SoC platforms are adding modernized variants of their
  already supported chips time, with a total of 12 new SoCs, and two
  older SoC getting removed:

   - Qualcomm Glymur is a compute SoC using 18 Oryon-2 CPU cores
   - Qualcomm Mahua is a variant of Glymur with only 12 CPU cores, but
     largely identical.
   - Qualcomm Eliza is an embeded platform for mobile phone (SM7750) and
     IOT (QC7790S/M) workloads
   - Qualcomm IPQ5210 is a wireless networking SoC using Cortex-A53
     cores
   - Qualcomm apq8084 and ipq806x had only rudimentary support but no
     actual products using them, so they are now gone.
   - Axis ARTPEC-9 is a follow-up to the ARTPEC-8 embedded SoC, using
     the Samsung SoC platform but now with Cortex-A55 cores
   - ARM Zena is a virtual platform in FVP using Cortex-A720AE cores,
     with additional versions planned to be merged in the future.
   - ARM corstone-1000-a320 is a reference platform for IOT, using
     low-end Cortex-A320 cores
   - Microchip LAN9691 is an updated 64-bit variant of the arm32 lan966x
     series of networking SoCs
   - Microchip PIC64GX is an embedded RISC-V chip using SIFIVE U54 CPU
     cores
   - Rockchip RV1103B is the low-end 32-bit single-core vision processor
   - Renesas RZ/G3L (r9a08g046) is an industrial embedded chip using
     Cortex-A55 cores, similar to the G3E and G3S variants we already
     supported.
   - NXP S32N79 is an automotive SoC using Cortex-A78AE cores, a
     significant upgrade from the older S32V and S32G series

  These all come with at least one reference board or an initial product
  using these, in total there are 67 newly added boards. The ones for
  already supported SoCs are:

   - Two more Aspeed BMC based boards
   - Three older tablets based on 32-bit OMAP4 and Exynos5 SoCs
   - One Set-top-box based on Allwinner H6
   - 22 additional industrial/embedded boards using 64-bit NXP i.MX8M or
     i.MX9 SoCs
   - 20 Qualcomm SoC based machines across all possible markets:
     workstation, gaming, laptop, phone, networking, reference, ...
   - Three more Rockchips rk35xx based boards
   - Four variants of the Toradex Verdin using TI AM62

  Other notable bits are:

   - A cleanup for the 32-bit Tegra paz00 board moved the last board
     specific code on Tegra into equivalent dts syntax.
   - There continues to be a significant number of fixes for static
     checking of dtc syntax, but it feels like this is slowing down,
     hopefully getting into a state where most known issues are
     addressed
   - Additional hardware support for many existing boards across SoC
     families, notably Qualcomm, Broadcom, i.MX2, i.MX6, Rockchips,
     STM32, Mediatek, Tegra, TI and Microchip"

* tag 'soc-dt-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (841 commits)
  arm64: dts: ti: k3: Use memory-region-names for r5f
  ARM: dts: imx: Add DT overlays for DH i.MX6 DHCOM SoM and boards
  ARM: dts: imx6sx: remove fallback compatible string fsl,imx28-lcdif
  ARM: dts: imx25: rename node name tcq to touchscreen
  ARM: dts: imx: b850v3: Disable unused usdhc4
  ARM: dts: imx: b850v3: Define GPIO line names
  ARM: dts: imx: b850v3: Use alphabetical sorting
  ARM: dts: imx: bx50v3: Configure phy-mode to eliminate a warning
  ARM: dts: imx: bx50v3: Configure switch PHY max-speed to 100Mbps
  ARM: dts: imx7ulp: Add CPU clock and OPP table support
  ARM: dts: imx7-mba7: Deassert BOOT_EN after boot
  ARM: dts: tqma7: add boot phase properties
  ARM: dts: imx7s: add boot phase properties
  ARM: dts: tqma6ul[l]: correct spelling of TQ-Systems
  ARM: dts: mba6ulx: add boot phase properties
  ARM: dts: imx6ul[l]-tqma6ul[l]: add boot phase properties
  ARM: dts: imx6ul/imx6ull: add boot phase properties
  ARM: dts: imx6qdl-mba6: add boot phase properties
  ARM: dts: imx6qdl-tqma6: add boot phase properties
  ARM: dts: imx6qdl: add boot phase properties
  ...
2026-04-16 20:28:48 -07:00
Linus Torvalds
440d6635b2 mm.git review status for linus..mm-nonmm-stable
Total patches:       126
 Reviews/patch:       0.92
 Reviewed rate:       76%
 
 - The 2 patch series "pid: make sub-init creation retryable" from Oleg
   Nesterov increases the robustness of our creation of init in a new
   namespace.  By clearing away some historical cruft which is no longer
   needed.  Also some documentation fixups are provided.
 
 - The 2 patch series "selftests/fchmodat2: Error handling and general"
   from Mark Brown has a fixup and a cleanup for the fchmodat2() syscall
   selftest.
 
 - The 3 patch series "lib: polynomial: Move to math/ and clean up" from
   Andy Shevchenko does as advertised.
 
 - The 3 patch series "hung_task: Provide runtime reset interface for
   hung task detector" from Aaron Tomlin gives administrators the ability
   to zero out /proc/sys/kernel/hung_task_detect_count.
 
 - The 2 patch series "tools/getdelays: use the static UAPI headers from
   tools/include/uapi" from Thomas Weißschuh teaches getdelays to use the
   in-kernel UAPI headers rather than the system-provided ones.
 
 - The 5 patch series "watchdog/hardlockup: Improvements to hardlockup"
   from Mayank Rungta provides several cleanups and fixups to the
   hardlockup detector code and its documentation.
 
 - The 2 patch series "lib/bch: fix undefined behavior from signed
   left-shifts" from Josh Law provides a couple of small/theoretical fixes
   in the bch code.
 
 - The 2 patch series "ocfs2/dlm: fix two bugs in dlm_match_regions()"
   from Junrui Luo does what is claims.
 
 - The 27 patch series "cleanup the RAID5 XOR library" from Christoph
   Hellwig is a quite far-reaching cleanup to this code.  I can't do better
   than to quote Christoph:
 
     The XOR library used for the RAID5 parity is a bit of a mess right
     now.  The main file sits in crypto/ despite not being cryptography and
     not using the crypto API, with the generic implementations sitting in
     include/asm-generic and the arch implementations sitting in an asm/
     header in theory.  The latter doesn't work for many cases, so
     architectures often build the code directly into the core kernel, or
     create another module for the architecture code.
 
     Change this to a single module in lib/ that also contains the
     architecture optimizations, similar to the library work Eric Biggers
     has done for the CRC and crypto libraries later.  After that it
     changes to better calling conventions that allow for smarter
     architecture implementations (although none is contained here yet),
     and uses static_call to avoid indirection function call overhead.
 
 - The 2 patch series "lib/list_sort: Clean up list_sort() scheduling
   workarounds" from Kuan-Wei Chiu cleans up this library code by removing
   a hacky thing which was added for UBIFS, which UBIFS doesn't actually
   need.
 
 - The 5 patch series "Fix bugs in extract_iter_to_sg()" from Christian
   Ehrhardt fixes a few bugs in the scatterlist code, adds in-kernel tests
   for the now-fixed bugs and fixes a leak in the test itself.
 
 - The 3 patch series "kdump: Enable LUKS-encrypted dump target support
   in ARM64 and PowerPC" from Coiby Xu eenables support of the
   LUKS-encrypted device dump target on arm64 and powerpc.
 
 - The 4 patch series "ocfs2: consolidate extent list validation into
   block read callbacks" from Joseph Qi addresses ocfs2's validation of
   extent list fields - cleanup, simplification, robustness.  (Kernel test
   robot loves mounting corrupted fs images!)
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Merge tag 'mm-nonmm-stable-2026-04-15-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - "pid: make sub-init creation retryable" (Oleg Nesterov)

   Make creation of init in a new namespace more robust by clearing away
   some historical cruft which is no longer needed. Also some
   documentation fixups

 - "selftests/fchmodat2: Error handling and general" (Mark Brown)

   Fix and a cleanup for the fchmodat2() syscall selftest

 - "lib: polynomial: Move to math/ and clean up" (Andy Shevchenko)

 - "hung_task: Provide runtime reset interface for hung task detector"
   (Aaron Tomlin)

   Give administrators the ability to zero out
   /proc/sys/kernel/hung_task_detect_count

 - "tools/getdelays: use the static UAPI headers from
   tools/include/uapi" (Thomas Weißschuh)

   Teach getdelays to use the in-kernel UAPI headers rather than the
   system-provided ones

 - "watchdog/hardlockup: Improvements to hardlockup" (Mayank Rungta)

   Several cleanups and fixups to the hardlockup detector code and its
   documentation

 - "lib/bch: fix undefined behavior from signed left-shifts" (Josh Law)

   A couple of small/theoretical fixes in the bch code

 - "ocfs2/dlm: fix two bugs in dlm_match_regions()" (Junrui Luo)

 - "cleanup the RAID5 XOR library" (Christoph Hellwig)

   A quite far-reaching cleanup to this code. I can't do better than to
   quote Christoph:

     "The XOR library used for the RAID5 parity is a bit of a mess right
      now. The main file sits in crypto/ despite not being cryptography
      and not using the crypto API, with the generic implementations
      sitting in include/asm-generic and the arch implementations
      sitting in an asm/ header in theory. The latter doesn't work for
      many cases, so architectures often build the code directly into
      the core kernel, or create another module for the architecture
      code.

      Change this to a single module in lib/ that also contains the
      architecture optimizations, similar to the library work Eric
      Biggers has done for the CRC and crypto libraries later. After
      that it changes to better calling conventions that allow for
      smarter architecture implementations (although none is contained
      here yet), and uses static_call to avoid indirection function call
      overhead"

 - "lib/list_sort: Clean up list_sort() scheduling workarounds"
   (Kuan-Wei Chiu)

   Clean up this library code by removing a hacky thing which was added
   for UBIFS, which UBIFS doesn't actually need

 - "Fix bugs in extract_iter_to_sg()" (Christian Ehrhardt)

   Fix a few bugs in the scatterlist code, add in-kernel tests for the
   now-fixed bugs and fix a leak in the test itself

 - "kdump: Enable LUKS-encrypted dump target support in ARM64 and
   PowerPC" (Coiby Xu)

   Enable support of the LUKS-encrypted device dump target on arm64 and
   powerpc

 - "ocfs2: consolidate extent list validation into block read callbacks"
   (Joseph Qi)

   Cleanup, simplify, and make more robust ocfs2's validation of extent
   list fields (Kernel test robot loves mounting corrupted fs images!)

* tag 'mm-nonmm-stable-2026-04-15-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (127 commits)
  ocfs2: validate group add input before caching
  ocfs2: validate bg_bits during freefrag scan
  ocfs2: fix listxattr handling when the buffer is full
  doc: watchdog: fix typos etc
  update Sean's email address
  ocfs2: use get_random_u32() where appropriate
  ocfs2: split transactions in dio completion to avoid credit exhaustion
  ocfs2: remove redundant l_next_free_rec check in __ocfs2_find_path()
  ocfs2: validate extent block list fields during block read
  ocfs2: remove empty extent list check in ocfs2_dx_dir_lookup_rec()
  ocfs2: validate dx_root extent list fields during block read
  ocfs2: fix use-after-free in ocfs2_fault() when VM_FAULT_RETRY
  ocfs2: handle invalid dinode in ocfs2_group_extend
  .get_maintainer.ignore: add Askar
  ocfs2: validate bg_list extent bounds in discontig groups
  checkpatch: exclude forward declarations of const structs
  tools/accounting: handle truncated taskstats netlink messages
  taskstats: set version in TGID exit notifications
  ocfs2/heartbeat: fix slot mapping rollback leaks on error paths
  arm64,ppc64le/kdump: pass dm-crypt keys to kdump kernel
  ...
2026-04-16 20:11:56 -07:00
Xu Kuohai
d9ef13f727 bpf: Pass bpf_verifier_env to JIT
Pass bpf_verifier_env to bpf_int_jit_compile(). The follow-up patch will
use env->insn_aux_data in the JIT stage to detect indirect jump targets.

Since bpf_prog_select_runtime() can be called by cbpf and lib/test_bpf.c
code without verifier, introduce helper __bpf_prog_select_runtime()
to accept the env parameter.

Remove the call to bpf_prog_select_runtime() in bpf_prog_load(), and
switch to call __bpf_prog_select_runtime() in the verifier, with env
variable passed. The original bpf_prog_select_runtime() is preserved for
cbpf and lib/test_bpf.c, where env is NULL.

Now all constants blinding calls are moved into the verifier, except
the cbpf and lib/test_bpf.c cases. The instructions arrays are adjusted
by bpf_patch_insn_data() function for normal cases, so there is no need
to call adjust_insn_arrays() in bpf_jit_blind_constants(). Remove it.

Reviewed-by: Anton Protopopov <a.s.protopopov@gmail.com> # v8
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com> # v12
Acked-by: Hengqi Chen <hengqi.chen@gmail.com> # v14
Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
Link: https://lore.kernel.org/r/20260416064341.151802-3-xukuohai@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-04-16 07:03:40 -07:00
Xu Kuohai
d3e945223e bpf: Move constants blinding out of arch-specific JITs
During the JIT stage, constants blinding rewrites instructions but only
rewrites the private instruction copy of the JITed subprog, leaving the
global env->prog->insnsi and env->insn_aux_data untouched. This causes a
mismatch between subprog instructions and the global state, making it
difficult to use the global data in the JIT.

To avoid this mismatch, and given that all arch-specific JITs already
support constants blinding, move it to the generic verifier code, and
switch to rewrite the global env->prog->insnsi with the global states
adjusted, as other rewrites in the verifier do.

This removes the constants blinding calls in each JIT, which are largely
duplicated code across architectures.

Since constants blinding is only required for JIT, and there are two
JIT entry functions, jit_subprogs() for BPF programs with multiple
subprogs and bpf_prog_select_runtime() for programs with no subprogs,
move the constants blinding invocation into these two functions.

In the verifier path, bpf_patch_insn_data() is used to keep global
verifier auxiliary data in sync with patched instructions. A key
question is whether this global auxiliary data should be restored
on the failure path.

Besides instructions, bpf_patch_insn_data() adjusts:
  - prog->aux->poke_tab
  - env->insn_array_maps
  - env->subprog_info
  - env->insn_aux_data

For prog->aux->poke_tab, it is only used by JIT or only meaningful after
JIT succeeds, so it does not need to be restored on the failure path.

For env->insn_array_maps, when JIT fails, programs using insn arrays
are rejected by bpf_insn_array_ready() due to missing JIT addresses.
Hence, env->insn_array_maps is only meaningful for JIT and does not need
to be restored.

For subprog_info, if jit_subprogs fails and CONFIG_BPF_JIT_ALWAYS_ON
is not enabled, kernel falls back to interpreter. In this case,
env->subprog_info is used to determine subprogram stack depth. So it
must be restored on failure.

For env->insn_aux_data, it is freed by clear_insn_aux_data() at the
end of bpf_check(). Before freeing, clear_insn_aux_data() loops over
env->insn_aux_data to release jump targets recorded in it. The loop
uses env->prog->len as the array length, but this length no longer
matches the actual size of the adjusted env->insn_aux_data array after
constants blinding.

To address it, a simple approach is to keep insn_aux_data as adjusted
after failure, since it will be freed shortly, and record its actual size
for the loop in clear_insn_aux_data(). But since clear_insn_aux_data()
uses the same index to loop over both env->prog->insnsi and env->insn_aux_data,
this approach results in incorrect index for the insnsi array. So an
alternative approach is adopted: clone the original env->insn_aux_data
before blinding and restore it after failure, similar to env->prog.

For classic BPF programs, constants blinding works as before since it
is still invoked from bpf_prog_select_runtime().

Reviewed-by: Anton Protopopov <a.s.protopopov@gmail.com> # v8
Reviewed-by: Hari Bathini <hbathini@linux.ibm.com> # powerpc jit
Reviewed-by: Pu Lehui <pulehui@huawei.com> # riscv jit
Acked-by: Hengqi Chen <hengqi.chen@gmail.com> # loongarch jit
Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
Link: https://lore.kernel.org/r/20260416064341.151802-2-xukuohai@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-04-16 07:03:40 -07:00
Linus Torvalds
83964553e8 xen: branch for v7.1-rc1
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Merge tag 'for-linus-7.1-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - fix an error path in drivers/xen/manage.c

 - fix the Xen console driver solving a boot hangup when the console
   backend isn't yet running

 - comment fix in the Xen swiotlb driver

 - hardening for Xen on Arm adding a more thorough validation

 - cleanup of the Xen grant table code hiding suspend/resume code for
   the case if CONFIG_HIBERNATE_CALLBACKS isn't defined

* tag 'for-linus-7.1-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/grant-table: guard gnttab_suspend/resume with CONFIG_HIBERNATE_CALLBACKS
  hvc/xen: Check console connection flag
  xen/swiotlb: fix stale reference to swiotlb_unmap_page()
  xen/manage: unwind partial shutdown watcher setup on error
  ARM: xen: validate hypervisor compatible before parsing its version
2026-04-15 15:16:39 -07:00
Linus Torvalds
40286d6379 pci-v7.1-changes
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Merge tag 'pci-v7.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci updates from Bjorn Helgaas:
 "Enumeration:

   - Allow TLP Processing Hints to be enabled for RCiEPs (George Abraham
     P)

   - Enable AtomicOps only if we know the Root Port supports them (Gerd
     Bayer)

   - Don't enable AtomicOps for RCiEPs since none of them need Atomic
     Ops and we can't tell whether the Root Complex would support them
     (Gerd Bayer)

   - Leave Precision Time Measurement disabled until a driver enables it
     to avoid PCIe errors (Mika Westerberg)

   - Make pci_set_vga_state() fail if bridge doesn't support VGA
     routing, i.e., PCI_BRIDGE_CTL_VGA is not writable, and return
     errors to vga_get() callers including userspace via
     /dev/vga_arbiter (Simon Richter)

   - Validate max-link-speed from DT in j721e, brcmstb, mediatek-gen3,
     rzg3s drivers (where the actual controller constraints are known),
     and remove validation from the generic OF DT accessor (Hans Zhang)

   - Remove pc110pad driver (no longer useful after 486 CPU support
     removed) and no_pci_devices() (pc110pad was the last user) (Dmitry
     Torokhov, Heiner Kallweit)

  Resource management:

   - Prevent assigning space to unimplemented bridge windows; previously
     we mistakenly assumed prefetchable window existed and assigned
     space and put a BAR there (Ahmed Naseef)

   - Avoid shrinking bridge windows to fit in the initial Root Port
     window; fixes one problem with devices with large BARs connected
     via switches, e.g., Thunderbolt (Ilpo Järvinen)

   - Pass full extent of empty space, not just the aligned space, to
     resource_alignf callback so free space before the requested
     alignment can be used (Ilpo Järvinen)

   - Place small resources before larger ones for better utilization of
     address space (Ilpo Järvinen)

   - Fix alignment calculation for resource size larger than align,
     e.g., bridge windows larger than the 1MB required alignment (Ilpo
     Järvinen)

  Reset:

   - Update slot handling so all ARI functions are treated as being in
     the same slot. They're all reset by Secondary Bus Reset, but
     previously drivers of ARI functions that appeared to be on a
     non-zero device weren't notified and fatal hardware errors could
     result (Keith Busch)

   - Make sysfs reset_subordinate hotplug safe to avoid spurious hotplug
     events (Keith Busch)

   - Hide Secondary Bus Reset ('bus') from sysfs reset_methods if masked
     by CXL because it has no effect (Vidya Sagar)

   - Avoid FLR for AMD NPU device, where it causes the device to hang
     (Lizhi Hou)

  Error handling:

   - Clear only error bits in PCIe Device Status to avoid accidentally
     clearing Emergency Power Reduction Detected (Shuai Xue)

   - Check for AER errors even in devices without drivers (Lukas Wunner)

   - Initialize ratelimit info so DPC and EDR paths log AER error
     information (Kuppuswamy Sathyanarayanan)

  Power control:

   - Add UPD720201/UPD720202 USB 3.0 xHCI Host Controller .compatible so
     generic pwrctrl driver can control it (Neil Armstrong)

  Hotplug:

   - Set LED_HW_PLUGGABLE for NPEM hotplug-capable ports so LED core
     doesn't complain when setting brightness fails because the endpoint
     is gone (Richard Cheng)

  Peer-to-peer DMA:

   - Allow wildcards in list of host bridges that support peer-to-peer
     DMA between hierarchy domains and add all Google SoCs (Jacob
     Moroni)

  Endpoint framework:

   - Advertise dynamic inbound mapping support in pci-epf-test and
     update host pci_endpoint_test to skip doorbell testing if not
     advertised by endpoint (Koichiro Den)

   - Return 0, not remaining timeout, when MHI eDMA ops complete so
     mhi_ep_ring_add_element() doesn't interpret non-zero as failure
     (Daniel Hodges)

   - Remove vntb and ntb duplicate resource teardown that leads to oops
     when .allow_link() fails or .drop_link() is called (Koichiro Den)

   - Disable vntb delayed work before clearing BAR mappings and
     doorbells to avoid oops caused by doing the work after resources
     have been torn down (Koichiro Den)

   - Add a way to describe reserved subregions within BARs, e.g.,
     platform-owned fixed register windows, and use it for the RK3588
     BAR4 DMA ctrl window (Koichiro Den)

   - Add BAR_DISABLED for BARs that will never be available to an EPF
     driver, and change some BAR_RESERVED annotations to BAR_DISABLED
     (Niklas Cassel)

   - Add NTB .get_dma_dev() callback for cases where DMA API requires a
     different device, e.g., vNTB devices (Koichiro Den)

   - Add reserved region types for MSI-X Table and PBA so Endpoint
     controllers can them as describe hardware-owned regions in a
     BAR_RESERVED BAR (Manikanta Maddireddy)

   - Make Tegra194/234 BAR0 programmable and remove 1MB size limit
     (Manikanta Maddireddy)

   - Expose Tegra BAR2 (MSI-X) and BAR4 (DMA) as 64-bit BAR_RESERVED
     (Manikanta Maddireddy)

   - Add Tegra194 and Tegra234 device table entries to pci_endpoint_test
     (Manikanta Maddireddy)

   - Skip the BAR subrange selftest if there are not enough inbound
     window resources to run the test (Christian Bruel)

  New native PCIe controller drivers:

   - Add DT binding and driver for Andes QiLai SoC PCIe host controller
     (Randolph Lin)

   - Add DT binding and driver for ESWIN PCIe Root Complex (Senchuan
     Zhang)

  Baikal T-1 PCIe controller driver:

   - Remove driver since it never quite became usable (Andy Shevchenko)

  Cadence PCIe controller driver:

   - Implement byte/word config reads with dword (32-bit) reads because
     some Cadence controllers don't support sub-dword accesses (Aksh
     Garg)

  CIX Sky1 PCIe controller driver:

   - Add 'power-domains' to DT binding for SCMI power domain (Gary Yang)

  Freescale i.MX6 PCIe controller driver:

   - Add i.MX94 and i.MX943 to fsl,imx6q-pcie-ep DT binding (Richard
     Zhu)

   - Delay instead of polling for L2/L3 Ready after PME_Turn_off when
     suspending i.MX6SX because LTSSM registers are inaccessible
     (Richard Zhu)

   - Separate PERST# assertion (for resetting endpoints) from core reset
     (for resetting the RC itself) to prepare for new DTs with PERST#
     GPIO in per-Root Port nodes (Sherry Sun)

   - Retain Root Port MSI capability on i.MX7D, i.MX8MM, and i.MX8MQ so
     MSI from downstream devices will work (Richard Zhu)

   - Fix i.MX95 reference clock source selection when internal refclk is
     used (Franz Schnyder)

  Freescale Layerscape PCIe controller driver:

   - Allow building as a removable module (Sascha Hauer)

  MediaTek PCIe Gen3 controller driver:

   - Use dev_err_probe() to simplify error paths and make deferred probe
     messages visible in /sys/kernel/debug/devices_deferred (Chen-Yu
     Tsai)

   - Power off device if setup fails (Chen-Yu Tsai)

   - Integrate new pwrctrl API to enable power control for WiFi/BT
     adapters on mainboard or in PCIe or M.2 slots (Chen-Yu Tsai)

  NVIDIA Tegra194 PCIe controller driver:

   - Poll less aggressively and non-atomically for PME_TO_Ack during
     transition to L2 (Vidya Sagar)

   - Disable LTSSM after transition to Detect on surprise link down to
     stop toggling between Polling and Detect (Manikanta Maddireddy)

   - Don't force the device into the D0 state before L2 when suspending
     or shutting down the controller (Vidya Sagar)

   - Disable PERST# IRQ only in Endpoint mode because it's not
     registered in Root Port mode (Manikanta Maddireddy)

   - Handle 'nvidia,refclk-select' as optional (Vidya Sagar)

   - Disable direct speed change in Endpoint mode so link speed change
     is controlled by the host (Vidya Sagar)

   - Set LTR values before link up to avoid bogus LTR messages with 0
     latency (Vidya Sagar)

   - Allow system suspend when the Endpoint link is down (Vidya Sagar)

   - Use DWC IP core version, not Tegra custom values, to avoid DWC core
     version check warnings (Manikanta Maddireddy)

   - Apply ECRC workaround to devices based on DesignWare 5.00a as well
     as 4.90a (Manikanta Maddireddy)

   - Disable PM Substate L1.2 in Endpoint mode to work around Tegra234
     erratum (Vidya Sagar)

   - Delay post-PERST# cleanup until core is powered on to avoid CBB
     timeout (Manikanta Maddireddy)

   - Assert CLKREQ# so switches that forward it to their downstream side
     can bring up those links successfully (Vidya Sagar)

   - Calibrate pipe to UPHY for Endpoint mode to reset stale PLL state
     from any previous bad link state (Vidya Sagar)

   - Remove IRQF_ONESHOT flag from Endpoint interrupt registration so
     DMA driver and Endpoint controller driver can share the interrupt
     line (Vidya Sagar)

   - Enable DMA interrupt to support DMA in both Root Port and Endpoint
     modes (Vidya Sagar)

   - Enable hardware link retraining after link goes down in Endpoint
     mode (Vidya Sagar)

   - Add DT binding and driver support for core clock monitoring (Vidya
     Sagar)

  Qualcomm PCIe controller driver:

   - Advertise 'Hot-Plug Capable' and set 'No Command Completed Support'
     since Qcom Root Ports support hotplug events like DL_Up/Down and
     can accept writes to Slot Control without delays between writes
     (Krishna Chaitanya Chundru)

  Renesas R-Car PCIe controller driver:

   - Mark Endpoint BAR0 and BAR2 as Resizable (Koichiro Den)

   - Reduce EPC BAR alignment requirement to 4K (Koichiro Den)

  Renesas RZ/G3S PCIe controller driver:

   - Add RZ/G3E to DT binding and to driver (John Madieu)

   - Assert (not deassert) resets in probe error path (John Madieu)

   - Assert resets in suspend path in reverse order they were deasserted
     during probe (John Madieu)

   - Rework inbound window algorithm to prevent mapping more than
     intended region and enforce alignment on size, to prepare for
     RZ/G3E support (John Madieu)

  Rockchip DesignWare PCIe controller driver:

   - Add tracepoints for PCIe controller LTSSM transitions and link rate
     changes (Shawn Lin)

   - Trace LTSSM events collected by the dw-rockchip debug FIFO (Shawn
     Lin)

  SOPHGO PCIe controller driver:

   - Disable ASPM L0s and L1 on Sophgo 2042 PCIe Root Ports that
     advertise support for them (Yao Zi)

  Synopsys DesignWare PCIe controller driver:

   - Continue with system suspend even if an Endpoint doesn't respond
     with PME_TO_Ack message (Manivannan Sadhasivam)

   - Set Endpoint MSI-X Table Size in the correct function of a
     multi-function device when configuring MSI-X, not in Function 0
     (Aksh Garg)

   - Set Max Link Width and Max Link Speed for all functions of a
     multi-function device, not just Function 0 (Aksh Garg)

   - Expose PCIe event counters in groups 5-7 in debugfs (Hans Zhang)

  Miscellaneous:

   - Warn only once about invalid ACS kernel parameter format (Richard
     Cheng)

   - Suppress FW_BUG warning when writing sysfs 'numa_node' with the
     current value (Li RongQing)

   - Drop redundant 'depends on PCI' from Kconfig (Julian Braha)"

* tag 'pci-v7.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (165 commits)
  PCI/P2PDMA: Add Google SoCs to the P2P DMA host bridge list
  PCI/P2PDMA: Allow wildcard Device IDs in host bridge list
  PCI: sg2042: Avoid L0s and L1 on Sophgo 2042 PCIe Root Ports
  PCI: cadence: Add flags for disabling ASPM capability for broken Root Ports
  PCI: tegra194: Add core monitor clock support
  dt-bindings: PCI: tegra194: Add monitor clock support
  PCI: tegra194: Enable hardware hot reset mode in Endpoint mode
  PCI: tegra194: Enable DMA interrupt
  PCI: tegra194: Remove IRQF_ONESHOT flag during Endpoint interrupt registration
  PCI: tegra194: Calibrate pipe to UPHY for Endpoint mode
  PCI: tegra194: Assert CLKREQ# explicitly by default
  PCI: tegra194: Fix CBB timeout caused by DBI access before core power-on
  PCI: tegra194: Disable L1.2 capability of Tegra234 EP
  PCI: dwc: Apply ECRC workaround to DesignWare 5.00a as well
  PCI: tegra194: Use DWC IP core version
  PCI: tegra194: Free up Endpoint resources during remove()
  PCI: tegra194: Allow system suspend when the Endpoint link is not up
  PCI: tegra194: Set LTR message request before PCIe link up in Endpoint mode
  PCI: tegra194: Disable direct speed change for Endpoint mode
  PCI: tegra194: Use devm_gpiod_get_optional() to parse "nvidia,refclk-select"
  ...
2026-04-15 14:41:21 -07:00
Linus Torvalds
334fbe734e mm.git review status for linus..mm-stable
Everything:
 
 Total patches:       368
 Reviews/patch:       1.56
 Reviewed rate:       74%
 
 Excluding DAMON:
 
 Total patches:       316
 Reviews/patch:       1.77
 Reviewed rate:       81%
 
 Excluding DAMON and zram:
 
 Total patches:       306
 Reviews/patch:       1.81
 Reviewed rate:       82%
 
 Excluding DAMON, zram and maple_tree:
 
 Total patches:       276
 Reviews/patch:       2.01
 Reviewed rate:       91%
 
 Significant patch series in this merge:
 
 - The 30 patch series "maple_tree: Replace big node with maple copy"
   from Liam Howlett is mainly prepararatory work for ongoing development
   but it does reduce stack usage and is an improvement.
 
 - The 12 patch series "mm, swap: swap table phase III: remove swap_map"
   from Kairui Song offers memory savings by removing the static swap_map.
   It also yields some CPU savings and implements several cleanups.
 
 - The 2 patch series "mm: memfd_luo: preserve file seals" from Pratyush
   Yadav adds file seal preservation to LUO's memfd code.
 
 - The 2 patch series "mm: zswap: add per-memcg stat for incompressible
   pages" from Jiayuan Chen adds additional userspace stats reportng to
   zswap.
 
 - The 4 patch series "arch, mm: consolidate empty_zero_page" from Mike
   Rapoport implements some cleanups for our handling of ZERO_PAGE() and
   zero_pfn.
 
 - The 2 patch series "mm/kmemleak: Improve scan_should_stop()
   implementation" from Zhongqiu Han provides an robustness improvement and
   some cleanups in the kmemleak code.
 
 - The 4 patch series "Improve khugepaged scan logic" from Vernon Yang
   "improves the khugepaged scan logic and reduces CPU consumption by
   prioritizing scanning tasks that access memory frequently".
 
 - The 2 patch series "Make KHO Stateless" from Jason Miu simplifies
   Kexec Handover by "transitioning KHO from an xarray-based metadata
   tracking system with serialization to a radix tree data structure that
   can be passed directly to the next kernel"
 
 - The 3 patch series "mm: vmscan: add PID and cgroup ID to vmscan
   tracepoints" from Thomas Ballasi and Steven Rostedt enhances vmscan's
   tracepointing.
 
 - The 5 patch series "mm: arch/shstk: Common shadow stack mapping helper
   and VM_NOHUGEPAGE" from Catalin Marinas is a cleanup for the shadow
   stack code: remove per-arch code in favour of a generic implementation.
 
 - The 2 patch series "Fix KASAN support for KHO restored vmalloc
   regions" from Pasha Tatashin fixes a WARN() which can be emitted the KHO
   restores a vmalloc area.
 
 - The 4 patch series "mm: Remove stray references to pagevec" from Tal
   Zussman provides several cleanups, mainly udpating references to "struct
   pagevec", which became folio_batch three years ago.
 
 - The 17 patch series "mm: Eliminate fake head pages from vmemmap
   optimization" from Kiryl Shutsemau simplifies the HugeTLB vmemmap
   optimization (HVO) by changing how tail pages encode their relationship
   to the head page.
 
 - The 2 patch series "mm/damon/core: improve DAMOS quota efficiency for
   core layer filters" from SeongJae Park improves two problematic
   behaviors of DAMOS that makes it less efficient when core layer filters
   are used.
 
 - The 3 patch series "mm/damon: strictly respect min_nr_regions" from
   SeongJae Park improves DAMON usability by extending the treatment of the
   min_nr_regions user-settable parameter.
 
 - The 3 patch series "mm/page_alloc: pcp locking cleanup" from Vlastimil
   Babka is a proper fix for a previously hotfixed SMP=n issue.  Code
   simplifications and cleanups ennsed.
 
 - The 16 patch series "mm: cleanups around unmapping / zapping" from
   David Hildenbrand implements "a bunch of cleanups around unmapping and
   zapping.  Mostly simplifications, code movements, documentation and
   renaming of zapping functions".
 
 - The 6 patch series "support batched checking of the young flag for
   MGLRU" from Baolin Wang supports batched checking of the young flag for
   MGLRU.  It's part cleanups; one benchmark shows large performance
   benefits for arm64.
 
 - The 5 patch series "memcg: obj stock and slab stat caching cleanups"
   from Johannes Weiner provides memcg cleanup and robustness improvements.
 
 - The 5 patch series "Allow order zero pages in page reporting" from
   Yuvraj Sakshith enhances page_reporting's free page reporting - it is
   presently and undesirably order-0 pages when reporting free memory.
 
 - The 6 patch series "mm: vma flag tweaks" from Lorenzo Stoakes is
   cleanup work following from the recent conversion of the VMA flags to a
   bitmap.
 
 - The 10 patch series "mm/damon: add optional debugging-purpose sanity
   checks" from SeongJae Park adds some more developer-facing debug checks
   into DAMON core.
 
 - The 2 patch series "mm/damon: test and document power-of-2
   min_region_sz requirement" from SeongJae Park adds an additional DAMON
   kunit test and makes some adjustments to the addr_unit parameter
   handling.
 
 - The 3 patch series "mm/damon/core: make passed_sample_intervals
   comparisons overflow-safe" from SeongJae Park fixes a hard-to-hit time
   overflow issue in DAMON core.
 
 - The 7 patch series "mm/damon: improve/fixup/update ratio calculation,
   test and documentation" from SeongJae Park is a "batch of misc/minor
   improvements and fixups" for DAMON.
 
 - The 4 patch series "mm: move vma_(kernel|mmu)_pagesize() out of
   hugetlb.c" from David Hildenbrand fixes a possible issue with dax-device
   when CONFIG_HUGETLB=n.  Some code movement was required.
 
 - The 6 patch series "zram: recompression cleanups and tweaks" from
   Sergey Senozhatsky provides "a somewhat random mix of fixups,
   recompression cleanups and improvements" in the zram code.
 
 - The 11 patch series "mm/damon: support multiple goal-based quota
   tuning algorithms" from SeongJae Park extend DAMOS quotas goal
   auto-tuning to support multiple tuning algorithms that users can select.
 
 - The 4 patch series "mm: thp: reduce unnecessary
   start_stop_khugepaged()" from Breno Leitao fixes the khugpaged sysfs
   handling so we no longer spam the logs with reams of junk when
   starting/stopping khugepaged.
 
 - The 3 patch series "mm: improve map count checks" from Lorenzo Stoakes
   provides some cleanups and slight fixes in the mremap, mmap and vma
   code.
 
 - The 5 patch series "mm/damon: support addr_unit on default monitoring
   targets for modules" from SeongJae Park extends the use of DAMON core's
   addr_unit tunable.
 
 - The 5 patch series "mm: khugepaged cleanups and mTHP prerequisites"
   from Nico Pache provides cleanups in the khugepaged and is a base for
   Nico's planned khugepaged mTHP support.
 
 - The 15 patch series "mm: memory hot(un)plug and SPARSEMEM cleanups"
   from David Hildenbrand implements code movement and cleanups in the
   memhotplug and sparsemem code.
 
 - The 2 patch series "mm: remove CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE and
   cleanup CONFIG_MIGRATION" from David Hildenbrand rationalizes some
   memhotplug Kconfig support.
 
 - The 6 patch series "change young flag check functions to return bool"
   from Baolin Wang is "a cleanup patchset to change all young flag check
   functions to return bool".
 
 - The 3 patch series "mm/damon/sysfs: fix memory leak and NULL
   dereference issues" from Josh Law and SeongJae Park fixes a few
   potential DAMON bugs.
 
 - The 25 patch series "mm/vma: convert vm_flags_t to vma_flags_t in vma
   code" from "converts a lot of the existing use of the legacy vm_flags_t
   data type to the new vma_flags_t type which replaces it".  Mainly in the
   vma code.
 
 - The 21 patch series "mm: expand mmap_prepare functionality and usage"
   from Lorenzo Stoakes "expands the mmap_prepare functionality, which is
   intended to replace the deprecated f_op->mmap hook which has been the
   source of bugs and security issues for some time".  Cleanups,
   documentation, extension of mmap_prepare into filesystem drivers.
 
 - The 13 patch series "mm/huge_memory: refactor zap_huge_pmd()" from
   Lorenzo Stoakes simplifies and cleans up zap_huge_pmd().  Additional
   cleanups around vm_normal_folio_pmd() and the softleaf functionality are
   performed.
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Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - "maple_tree: Replace big node with maple copy" (Liam Howlett)

   Mainly prepararatory work for ongoing development but it does reduce
   stack usage and is an improvement.

 - "mm, swap: swap table phase III: remove swap_map" (Kairui Song)

   Offers memory savings by removing the static swap_map. It also yields
   some CPU savings and implements several cleanups.

 - "mm: memfd_luo: preserve file seals" (Pratyush Yadav)

   File seal preservation to LUO's memfd code

 - "mm: zswap: add per-memcg stat for incompressible pages" (Jiayuan
   Chen)

   Additional userspace stats reportng to zswap

 - "arch, mm: consolidate empty_zero_page" (Mike Rapoport)

   Some cleanups for our handling of ZERO_PAGE() and zero_pfn

 - "mm/kmemleak: Improve scan_should_stop() implementation" (Zhongqiu
   Han)

   A robustness improvement and some cleanups in the kmemleak code

 - "Improve khugepaged scan logic" (Vernon Yang)

   Improve khugepaged scan logic and reduce CPU consumption by
   prioritizing scanning tasks that access memory frequently

 - "Make KHO Stateless" (Jason Miu)

   Simplify Kexec Handover by transitioning KHO from an xarray-based
   metadata tracking system with serialization to a radix tree data
   structure that can be passed directly to the next kernel

 - "mm: vmscan: add PID and cgroup ID to vmscan tracepoints" (Thomas
   Ballasi and Steven Rostedt)

   Enhance vmscan's tracepointing

 - "mm: arch/shstk: Common shadow stack mapping helper and
   VM_NOHUGEPAGE" (Catalin Marinas)

   Cleanup for the shadow stack code: remove per-arch code in favour of
   a generic implementation

 - "Fix KASAN support for KHO restored vmalloc regions" (Pasha Tatashin)

   Fix a WARN() which can be emitted the KHO restores a vmalloc area

 - "mm: Remove stray references to pagevec" (Tal Zussman)

   Several cleanups, mainly udpating references to "struct pagevec",
   which became folio_batch three years ago

 - "mm: Eliminate fake head pages from vmemmap optimization" (Kiryl
   Shutsemau)

   Simplify the HugeTLB vmemmap optimization (HVO) by changing how tail
   pages encode their relationship to the head page

 - "mm/damon/core: improve DAMOS quota efficiency for core layer
   filters" (SeongJae Park)

   Improve two problematic behaviors of DAMOS that makes it less
   efficient when core layer filters are used

 - "mm/damon: strictly respect min_nr_regions" (SeongJae Park)

   Improve DAMON usability by extending the treatment of the
   min_nr_regions user-settable parameter

 - "mm/page_alloc: pcp locking cleanup" (Vlastimil Babka)

   The proper fix for a previously hotfixed SMP=n issue. Code
   simplifications and cleanups ensued

 - "mm: cleanups around unmapping / zapping" (David Hildenbrand)

   A bunch of cleanups around unmapping and zapping. Mostly
   simplifications, code movements, documentation and renaming of
   zapping functions

 - "support batched checking of the young flag for MGLRU" (Baolin Wang)

   Batched checking of the young flag for MGLRU. It's part cleanups; one
   benchmark shows large performance benefits for arm64

 - "memcg: obj stock and slab stat caching cleanups" (Johannes Weiner)

   memcg cleanup and robustness improvements

 - "Allow order zero pages in page reporting" (Yuvraj Sakshith)

   Enhance free page reporting - it is presently and undesirably order-0
   pages when reporting free memory.

 - "mm: vma flag tweaks" (Lorenzo Stoakes)

   Cleanup work following from the recent conversion of the VMA flags to
   a bitmap

 - "mm/damon: add optional debugging-purpose sanity checks" (SeongJae
   Park)

   Add some more developer-facing debug checks into DAMON core

 - "mm/damon: test and document power-of-2 min_region_sz requirement"
   (SeongJae Park)

   An additional DAMON kunit test and makes some adjustments to the
   addr_unit parameter handling

 - "mm/damon/core: make passed_sample_intervals comparisons
   overflow-safe" (SeongJae Park)

   Fix a hard-to-hit time overflow issue in DAMON core

 - "mm/damon: improve/fixup/update ratio calculation, test and
   documentation" (SeongJae Park)

   A batch of misc/minor improvements and fixups for DAMON

 - "mm: move vma_(kernel|mmu)_pagesize() out of hugetlb.c" (David
   Hildenbrand)

   Fix a possible issue with dax-device when CONFIG_HUGETLB=n. Some code
   movement was required.

 - "zram: recompression cleanups and tweaks" (Sergey Senozhatsky)

   A somewhat random mix of fixups, recompression cleanups and
   improvements in the zram code

 - "mm/damon: support multiple goal-based quota tuning algorithms"
   (SeongJae Park)

   Extend DAMOS quotas goal auto-tuning to support multiple tuning
   algorithms that users can select

 - "mm: thp: reduce unnecessary start_stop_khugepaged()" (Breno Leitao)

   Fix the khugpaged sysfs handling so we no longer spam the logs with
   reams of junk when starting/stopping khugepaged

 - "mm: improve map count checks" (Lorenzo Stoakes)

   Provide some cleanups and slight fixes in the mremap, mmap and vma
   code

 - "mm/damon: support addr_unit on default monitoring targets for
   modules" (SeongJae Park)

   Extend the use of DAMON core's addr_unit tunable

 - "mm: khugepaged cleanups and mTHP prerequisites" (Nico Pache)

   Cleanups to khugepaged and is a base for Nico's planned khugepaged
   mTHP support

 - "mm: memory hot(un)plug and SPARSEMEM cleanups" (David Hildenbrand)

   Code movement and cleanups in the memhotplug and sparsemem code

 - "mm: remove CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE and cleanup
   CONFIG_MIGRATION" (David Hildenbrand)

   Rationalize some memhotplug Kconfig support

 - "change young flag check functions to return bool" (Baolin Wang)

   Cleanups to change all young flag check functions to return bool

 - "mm/damon/sysfs: fix memory leak and NULL dereference issues" (Josh
   Law and SeongJae Park)

   Fix a few potential DAMON bugs

 - "mm/vma: convert vm_flags_t to vma_flags_t in vma code" (Lorenzo
   Stoakes)

   Convert a lot of the existing use of the legacy vm_flags_t data type
   to the new vma_flags_t type which replaces it. Mainly in the vma
   code.

 - "mm: expand mmap_prepare functionality and usage" (Lorenzo Stoakes)

   Expand the mmap_prepare functionality, which is intended to replace
   the deprecated f_op->mmap hook which has been the source of bugs and
   security issues for some time. Cleanups, documentation, extension of
   mmap_prepare into filesystem drivers

 - "mm/huge_memory: refactor zap_huge_pmd()" (Lorenzo Stoakes)

   Simplify and clean up zap_huge_pmd(). Additional cleanups around
   vm_normal_folio_pmd() and the softleaf functionality are performed.

* tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (369 commits)
  mm: fix deferred split queue races during migration
  mm/khugepaged: fix issue with tracking lock
  mm/huge_memory: add and use has_deposited_pgtable()
  mm/huge_memory: add and use normal_or_softleaf_folio_pmd()
  mm: add softleaf_is_valid_pmd_entry(), pmd_to_softleaf_folio()
  mm/huge_memory: separate out the folio part of zap_huge_pmd()
  mm/huge_memory: use mm instead of tlb->mm
  mm/huge_memory: remove unnecessary sanity checks
  mm/huge_memory: deduplicate zap deposited table call
  mm/huge_memory: remove unnecessary VM_BUG_ON_PAGE()
  mm/huge_memory: add a common exit path to zap_huge_pmd()
  mm/huge_memory: handle buggy PMD entry in zap_huge_pmd()
  mm/huge_memory: have zap_huge_pmd return a boolean, add kdoc
  mm/huge: avoid big else branch in zap_huge_pmd()
  mm/huge_memory: simplify vma_is_specal_huge()
  mm: on remap assert that input range within the proposed VMA
  mm: add mmap_action_map_kernel_pages[_full]()
  uio: replace deprecated mmap hook with mmap_prepare in uio_info
  drivers: hv: vmbus: replace deprecated mmap hook with mmap_prepare
  mm: allow handling of stacked mmap_prepare hooks in more drivers
  ...
2026-04-15 12:59:16 -07:00
Linus Torvalds
a8e7ef3cec sound updates for 7.1-rc1
Nothing too thrilling here, but we see lots of driver updates and
 bug fixes, including quirk additions and refactoring works, while
 there have been little changes in the core functionality.
 Here are some highlights:
 
 * Core:
 - Add validation for the control API put callback
 - Fixes in compress-offload API timestamp handling
 - Continued ASoC core API cleanups
 
 * ASoC:
 - Add support for bus keepers (for Apple devices in future)
 - Enhancements to the SDCA support, including retaskable jacks
 - Test improvements for Cirrus Logic drivers
 - Lots of fixes for the NXP, nVidia and Qualcomm
 - Support for AMD RPL DMIC, Cirrus Logic CS42L43 and CS47L47, nVidia
   machines with CPCAP and WM8962
 
 * USB-audio:
 - Quirks for Huawei Headset, Focusrite Novation, MV-Silicon,
   Studio 1824, Arturia AF16Rig, Hotone Audio, Feaulle Rainbow,
   PreSonus AudioBox, Moondrop Ju Jiu, Scarlett 18i20, etc
 - Extended mixer volume quirk handling
 - UAF and other fixes for us144mkii, 6fire and caiaq drivers
 
 * HD-audio:
 - Add quirks or fixes for Acer, Lenovo, HP, ASUS machines
 - Fixes & cleanups of GPIO helper code
 
 * Misc:
 - Add suspend/resume support for multiple legacy ISA and Apple
   drivers
 - Further regression fixes for ctxfi driver
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Merge tag 'sound-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "Nothing too thrilling here, but we see lots of driver updates and bug
  fixes, including quirk additions and refactoring works, while there
  have been little changes in the core functionality. Here are some
  highlights:

  Core:
   - Add validation for the control API put callback
   - Fixes in compress-offload API timestamp handling
   - Continued ASoC core API cleanups

  ASoC:
   - Add support for bus keepers (for Apple devices in future)
   - Enhancements to the SDCA support, including retaskable jacks
   - Test improvements for Cirrus Logic drivers
   - Lots of fixes for the NXP, nVidia and Qualcomm
   - Support for AMD RPL DMIC, Cirrus Logic CS42L43 and CS47L47, nVidia
     machines with CPCAP and WM8962

  USB-audio:
   - Quirks for Huawei Headset, Focusrite Novation, MV-Silicon, Studio
     1824, Arturia AF16Rig, Hotone Audio, Feaulle Rainbow, PreSonus
     AudioBox, Moondrop Ju Jiu, Scarlett 18i20, etc
   - Extended mixer volume quirk handling
   - UAF and other fixes for us144mkii, 6fire and caiaq drivers

  HD-audio:
   - Add quirks or fixes for Acer, Lenovo, HP, ASUS machines
   - Fixes & cleanups of GPIO helper code

  Misc:
   - Add suspend/resume support for multiple legacy ISA and Apple
     drivers
   - Further regression fixes for ctxfi driver"

* tag 'sound-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (359 commits)
  ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names()
  ALSA: usb-audio: Fix missing error handling for get_min_max*()
  ALSA: hda/realtek - fixed speaker no sound update
  ALSA: hda/realtek: Add quirk for Acer PT316-51S headset mic
  ALSA: usb-audio: Exclude Scarlett 18i20 1st Gen from SKIP_IFACE_SETUP
  ALSA: hda/realtek: Add quirk for Legion S7 15IMH
  ALSA: hda/realtek: Add quirk for HP Spectre x360 14-ea
  ALSA: caiaq: take a reference on the USB device in create_card()
  ASoC: dt-bindings: rockchip: convert rk3399-gru-sound to DT Schema
  ALSA: sscape: Add suspend and resume support
  ALSA: sscape: Cache per-card resources for board reinitialization
  ALSA: usb-audio: Do not expose sticky mixers
  ALSA: usb-audio: Move volume control resolution check into a function
  ALSA: usb-audio: Add error checks against get_min_max*()
  ALSA: usb-audio: Add quirk for PreSonus AudioBox USB
  ALSA: interwave: guard PM-only restore helpers with CONFIG_PM
  ALSA: usb-audio: Evaluate packsize caps at the right place
  ALSA: sc6000: Restore board setup across suspend
  ALSA: sc6000: Keep the programmed board state in card-private data
  ALSA: 6fire: fix use-after-free on disconnect
  ...
2026-04-15 09:20:49 -07:00
Linus Torvalds
91a4855d6c Networking changes for 7.1.
Core & protocols
 ----------------
 
  - Support HW queue leasing, allowing containers to be granted access
    to HW queues for zero-copy operations and AF_XDP.
 
  - Number of code moves to help the compiler with inlining.
    Avoid output arguments for returning drop reason where possible.
 
  - Rework drop handling within qdiscs to include more metadata
    about the reason and dropping qdisc in the tracepoints.
 
  - Remove the rtnl_lock use from IP Multicast Routing.
 
  - Pack size information into the Rx Flow Steering table pointer
    itself. This allows making the table itself a flat array of u32s,
    thus making the table allocation size a power of two.
 
  - Report TCP delayed ack timer information via socket diag.
 
  - Add ip_local_port_step_width sysctl to allow distributing the randomly
    selected ports more evenly throughout the allowed space.
 
  - Add support for per-route tunsrc in IPv6 segment routing.
 
  - Start work of switching sockopt handling to iov_iter.
 
  - Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
    buffer size drifting up.
 
  - Support MSG_EOR in MPTCP.
 
  - Add stp_mode attribute to the bridge driver for STP mode selection.
    This addresses concerns about call_usermodehelper() usage.
 
  - Remove UDP-Lite support (as announced in 2023).
 
  - Remove support for building IPv6 as a module.
    Remove the now unnecessary function calling indirection.
 
 Cross-tree stuff
 ----------------
 
  - Move Michael MIC code from generic crypto into wireless,
    it's considered insecure but some WiFi networks still need it.
 
 Netfilter
 ---------
 
  - Switch nft_fib_ipv6 module to no longer need temporary dst_entry
    object allocations by using fib6_lookup() + RCU.
    Florian W reports this gets us ~13% higher packet rate.
 
  - Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
    switch the service tables to be per-net. Convert some code that
    walks the service lists to use RCU instead of the service_mutex.
 
  - Add more opinionated input validation to lower security exposure.
 
  - Make IPVS hash tables to be per-netns and resizable.
 
 Wireless
 --------
 
  - Finished assoc frame encryption/EPPKE/802.1X-over-auth.
 
  - Radar detection improvements.
 
  - Add 6 GHz incumbent signal detection APIs.
 
  - Multi-link support for FILS, probe response templates and
    client probing.
 
  - New APIs and mac80211 support for NAN (Neighbor Aware Networking,
    aka Wi-Fi Aware) so less work must be in firmware.
 
 Driver API
 ----------
 
  - Add numerical ID for devlink instances (to avoid having to create
    fake bus/device pairs just to have an ID). Support shared devlink
    instances which span multiple PFs.
 
  - Add standard counters for reporting pause storm events
    (implement in mlx5 and fbnic).
 
  - Add configuration API for completion writeback buffering
    (implement in mana).
 
  - Support driver-initiated change of RSS context sizes.
 
  - Support DPLL monitoring input frequency (implement in zl3073x).
 
  - Support per-port resources in devlink (implement in mlx5).
 
 Misc
 ----
 
  - Expand the YAML spec for Netfilter.
 
 Drivers
 -------
 
  - Software:
    - macvlan: support multicast rx for bridge ports with shared source
      MAC address
    - team: decouple receive and transmit enablement for IEEE 802.3ad
      LACP "independent control"
 
  - Ethernet high-speed NICs:
    - nVidia/Mellanox:
      - support high order pages in zero-copy mode (for payload
        coalescing)
      - support multiple packets in a page (for systems with 64kB pages)
    - Broadcom 25-400GE (bnxt):
      - implement XDP RSS hash metadata extraction
      - add software fallback for UDP GSO, lowering the IOMMU cost
    - Broadcom 800GE (bnge):
      - add link status and configuration handling
      - add various HW and SW statistics
    - Marvell/Cavium:
      - NPC HW block support for cn20k
    - Huawei (hinic3):
      - add mailbox / control queue
      - add rx VLAN offload
      - add driver info and link management
 
  - Ethernet NICs:
    - Marvell/Aquantia:
      - support reading SFP module info on some AQC100 cards
    - Realtek PCI (r8169):
      - add support for RTL8125cp
    - Realtek USB (r8152):
      - support for the RTL8157 5Gbit chip
      - add 2500baseT EEE status/configuration support
 
  - Ethernet NICs embedded and off-the-shelf IP:
    - Synopsys (stmmac):
      - cleanup and reorganize SerDes handling and PCS support
      - cleanup descriptor handling and per-platform data
      - cleanup and consolidate MDIO defines and handling
      - shrink driver memory use for internal structures
      - improve Tx IRQ coalescing
      - improve TCP segmentation handling
      - add support for Spacemit K3
    - Cadence (macb):
      - support PHYs that have inband autoneg disabled with GEM
      - support IEEE 802.3az EEE
      - rework usrio capabilities and handling
    - AMD (xgbe):
      - improve power management for S0i3
      - improve TX resilience for link-down handling
 
  - Virtual:
    - Google cloud vNIC:
      - support larger ring sizes in DQO-QPL mode
      - improve HW-GRO handling
      - support UDP GSO for DQO format
    - PCIe NTB:
      - support queue count configuration
 
  - Ethernet PHYs:
    - automatically disable PHY autonomous EEE if MAC is in charge
    - Broadcom:
      - add BCM84891/BCM84892 support
    - Micrel:
      - support for LAN9645X internal PHY
    - Realtek:
      - add RTL8224 pair order support
      - support PHY LEDs on RTL8211F-VD
      - support spread spectrum clocking (SSC)
    - Maxlinear:
      - add PHY-level statistics via ethtool
 
  - Ethernet switches:
    - Maxlinear (mxl862xx):
      - support for bridge offloading
      - support for VLANs
      - support driver statistics
 
  - Bluetooth:
    - large number of fixes and new device IDs
    - Mediatek:
      - support MT6639 (MT7927)
      - support MT7902 SDIO
 
  - WiFi:
    - Intel (iwlwifi):
      - UNII-9 and continuing UHR work
    - MediaTek (mt76):
      - mt7996/mt7925 MLO fixes/improvements
      - mt7996 NPU support (HW eth/wifi traffic offload)
    - Qualcomm (ath12k):
      - monitor mode support on IPQ5332
      - basic hwmon temperature reporting
      - support IPQ5424
    - Realtek:
      - add USB RX aggregation to improve performance
      - add USB TX flow control by tracking in-flight URBs
 
  - Cellular:
    - IPA v5.2 support
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Support HW queue leasing, allowing containers to be granted access
     to HW queues for zero-copy operations and AF_XDP

   - Number of code moves to help the compiler with inlining. Avoid
     output arguments for returning drop reason where possible

   - Rework drop handling within qdiscs to include more metadata about
     the reason and dropping qdisc in the tracepoints

   - Remove the rtnl_lock use from IP Multicast Routing

   - Pack size information into the Rx Flow Steering table pointer
     itself. This allows making the table itself a flat array of u32s,
     thus making the table allocation size a power of two

   - Report TCP delayed ack timer information via socket diag

   - Add ip_local_port_step_width sysctl to allow distributing the
     randomly selected ports more evenly throughout the allowed space

   - Add support for per-route tunsrc in IPv6 segment routing

   - Start work of switching sockopt handling to iov_iter

   - Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
     buffer size drifting up

   - Support MSG_EOR in MPTCP

   - Add stp_mode attribute to the bridge driver for STP mode selection.
     This addresses concerns about call_usermodehelper() usage

   - Remove UDP-Lite support (as announced in 2023)

   - Remove support for building IPv6 as a module. Remove the now
     unnecessary function calling indirection

  Cross-tree stuff:

   - Move Michael MIC code from generic crypto into wireless, it's
     considered insecure but some WiFi networks still need it

  Netfilter:

   - Switch nft_fib_ipv6 module to no longer need temporary dst_entry
     object allocations by using fib6_lookup() + RCU.

     Florian W reports this gets us ~13% higher packet rate

   - Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
     switch the service tables to be per-net. Convert some code that
     walks the service lists to use RCU instead of the service_mutex

   - Add more opinionated input validation to lower security exposure

   - Make IPVS hash tables to be per-netns and resizable

  Wireless:

   - Finished assoc frame encryption/EPPKE/802.1X-over-auth

   - Radar detection improvements

   - Add 6 GHz incumbent signal detection APIs

   - Multi-link support for FILS, probe response templates and client
     probing

   - New APIs and mac80211 support for NAN (Neighbor Aware Networking,
     aka Wi-Fi Aware) so less work must be in firmware

  Driver API:

   - Add numerical ID for devlink instances (to avoid having to create
     fake bus/device pairs just to have an ID). Support shared devlink
     instances which span multiple PFs

   - Add standard counters for reporting pause storm events (implement
     in mlx5 and fbnic)

   - Add configuration API for completion writeback buffering (implement
     in mana)

   - Support driver-initiated change of RSS context sizes

   - Support DPLL monitoring input frequency (implement in zl3073x)

   - Support per-port resources in devlink (implement in mlx5)

  Misc:

   - Expand the YAML spec for Netfilter

  Drivers

   - Software:
      - macvlan: support multicast rx for bridge ports with shared
        source MAC address
      - team: decouple receive and transmit enablement for IEEE 802.3ad
        LACP "independent control"

   - Ethernet high-speed NICs:
      - nVidia/Mellanox:
         - support high order pages in zero-copy mode (for payload
           coalescing)
         - support multiple packets in a page (for systems with 64kB
           pages)
      - Broadcom 25-400GE (bnxt):
         - implement XDP RSS hash metadata extraction
         - add software fallback for UDP GSO, lowering the IOMMU cost
      - Broadcom 800GE (bnge):
         - add link status and configuration handling
         - add various HW and SW statistics
      - Marvell/Cavium:
         - NPC HW block support for cn20k
      - Huawei (hinic3):
         - add mailbox / control queue
         - add rx VLAN offload
         - add driver info and link management

   - Ethernet NICs:
      - Marvell/Aquantia:
         - support reading SFP module info on some AQC100 cards
      - Realtek PCI (r8169):
         - add support for RTL8125cp
      - Realtek USB (r8152):
         - support for the RTL8157 5Gbit chip
         - add 2500baseT EEE status/configuration support

   - Ethernet NICs embedded and off-the-shelf IP:
      - Synopsys (stmmac):
         - cleanup and reorganize SerDes handling and PCS support
         - cleanup descriptor handling and per-platform data
         - cleanup and consolidate MDIO defines and handling
         - shrink driver memory use for internal structures
         - improve Tx IRQ coalescing
         - improve TCP segmentation handling
         - add support for Spacemit K3
      - Cadence (macb):
         - support PHYs that have inband autoneg disabled with GEM
         - support IEEE 802.3az EEE
         - rework usrio capabilities and handling
      - AMD (xgbe):
         - improve power management for S0i3
         - improve TX resilience for link-down handling

   - Virtual:
      - Google cloud vNIC:
         - support larger ring sizes in DQO-QPL mode
         - improve HW-GRO handling
         - support UDP GSO for DQO format
      - PCIe NTB:
         - support queue count configuration

   - Ethernet PHYs:
      - automatically disable PHY autonomous EEE if MAC is in charge
      - Broadcom:
         - add BCM84891/BCM84892 support
      - Micrel:
         - support for LAN9645X internal PHY
      - Realtek:
         - add RTL8224 pair order support
         - support PHY LEDs on RTL8211F-VD
         - support spread spectrum clocking (SSC)
      - Maxlinear:
         - add PHY-level statistics via ethtool

   - Ethernet switches:
      - Maxlinear (mxl862xx):
         - support for bridge offloading
         - support for VLANs
         - support driver statistics

   - Bluetooth:
      - large number of fixes and new device IDs
      - Mediatek:
         - support MT6639 (MT7927)
         - support MT7902 SDIO

   - WiFi:
      - Intel (iwlwifi):
         - UNII-9 and continuing UHR work
      - MediaTek (mt76):
         - mt7996/mt7925 MLO fixes/improvements
         - mt7996 NPU support (HW eth/wifi traffic offload)
      - Qualcomm (ath12k):
         - monitor mode support on IPQ5332
         - basic hwmon temperature reporting
         - support IPQ5424
      - Realtek:
         - add USB RX aggregation to improve performance
         - add USB TX flow control by tracking in-flight URBs

   - Cellular:
      - IPA v5.2 support"

* tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1561 commits)
  net: pse-pd: fix kernel-doc function name for pse_control_find_by_id()
  wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit
  wireguard: allowedips: remove redundant space
  tools: ynl: add sample for wireguard
  wireguard: allowedips: Use kfree_rcu() instead of call_rcu()
  MAINTAINERS: Add netkit selftest files
  selftests/net: Add additional test coverage in nk_qlease
  selftests/net: Split netdevsim tests from HW tests in nk_qlease
  tools/ynl: Make YnlFamily closeable as a context manager
  net: airoha: Add missing PPE configurations in airoha_ppe_hw_init()
  net: airoha: Fix VIP configuration for AN7583 SoC
  net: caif: clear client service pointer on teardown
  net: strparser: fix skb_head leak in strp_abort_strp()
  net: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()
  selftests/bpf: add test for xdp_master_redirect with bond not up
  net, bpf: fix null-ptr-deref in xdp_master_redirect() for down master
  net: airoha: Remove PCE_MC_EN_MASK bit in REG_FE_PCE_CFG configuration
  sctp: disable BH before calling udp_tunnel_xmit_skb()
  sctp: fix missing encap_port propagation for GSO fragments
  net: airoha: Rely on net_device pointer in ETS callbacks
  ...
2026-04-14 18:36:10 -07:00
Linus Torvalds
c43267e679 arm64 updates for 7.1:
Core features:
 
  - Add support for FEAT_LSUI, allowing futex atomic operations without
    toggling Privileged Access Never (PAN)
 
  - Further refactor the arm64 exception handling code towards the
    generic entry infrastructure
 
  - Optimise __READ_ONCE() with CONFIG_LTO=y and allow alias analysis
    through it
 
 Memory management:
 
  - Refactor the arm64 TLB invalidation API and implementation for better
    control over barrier placement and level-hinted invalidation
 
  - Enable batched TLB flushes during memory hot-unplug
 
  - Fix rodata=full block mapping support for realm guests (when
    BBML2_NOABORT is available)
 
 Perf and PMU:
 
  - Add support for a whole bunch of system PMUs featured in NVIDIA's
    Tegra410 SoC (cspmu extensions for the fabric and PCIe, new drivers
    for CPU/C2C memory latency PMUs)
 
  - Clean up iomem resource handling in the Arm CMN driver
 
  - Fix signedness handling of AA64DFR0.{PMUVer,PerfMon}
 
 MPAM (Memory Partitioning And Monitoring):
 
  - Add architecture context-switch and hiding of the feature from KVM
 
  - Add interface to allow MPAM to be exposed to user-space using resctrl
 
  - Add errata workaround for some existing platforms
 
  - Add documentation for using MPAM and what shape of platforms can use
    resctrl
 
 Miscellaneous:
 
  - Check DAIF (and PMR, where relevant) at task-switch time
 
  - Skip TFSR_EL1 checks and barriers in synchronous MTE tag check mode
    (only relevant to asynchronous or asymmetric tag check modes)
 
  - Remove a duplicate allocation in the kexec code
 
  - Remove redundant save/restore of SCS SP on entry to/from EL0
 
  - Generate the KERNEL_HWCAP_ definitions from the arm64 hwcap
    descriptions
 
  - Add kselftest coverage for cmpbr_sigill()
 
  - Update sysreg definitions
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:
 "The biggest changes are MPAM enablement in drivers/resctrl and new PMU
  support under drivers/perf.

  On the core side, FEAT_LSUI lets futex atomic operations with EL0
  permissions, avoiding PAN toggling.

  The rest is mostly TLB invalidation refactoring, further generic entry
  work, sysreg updates and a few fixes.

  Core features:

   - Add support for FEAT_LSUI, allowing futex atomic operations without
     toggling Privileged Access Never (PAN)

   - Further refactor the arm64 exception handling code towards the
     generic entry infrastructure

   - Optimise __READ_ONCE() with CONFIG_LTO=y and allow alias analysis
     through it

  Memory management:

   - Refactor the arm64 TLB invalidation API and implementation for
     better control over barrier placement and level-hinted invalidation

   - Enable batched TLB flushes during memory hot-unplug

   - Fix rodata=full block mapping support for realm guests (when
     BBML2_NOABORT is available)

  Perf and PMU:

   - Add support for a whole bunch of system PMUs featured in NVIDIA's
     Tegra410 SoC (cspmu extensions for the fabric and PCIe, new drivers
     for CPU/C2C memory latency PMUs)

   - Clean up iomem resource handling in the Arm CMN driver

   - Fix signedness handling of AA64DFR0.{PMUVer,PerfMon}

  MPAM (Memory Partitioning And Monitoring):

   - Add architecture context-switch and hiding of the feature from KVM

   - Add interface to allow MPAM to be exposed to user-space using
     resctrl

   - Add errata workaround for some existing platforms

   - Add documentation for using MPAM and what shape of platforms can
     use resctrl

  Miscellaneous:

   - Check DAIF (and PMR, where relevant) at task-switch time

   - Skip TFSR_EL1 checks and barriers in synchronous MTE tag check mode
     (only relevant to asynchronous or asymmetric tag check modes)

   - Remove a duplicate allocation in the kexec code

   - Remove redundant save/restore of SCS SP on entry to/from EL0

   - Generate the KERNEL_HWCAP_ definitions from the arm64 hwcap
     descriptions

   - Add kselftest coverage for cmpbr_sigill()

   - Update sysreg definitions"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (109 commits)
  arm64: rsi: use linear-map alias for realm config buffer
  arm64: Kconfig: fix duplicate word in CMDLINE help text
  arm64: mte: Skip TFSR_EL1 checks and barriers in synchronous tag check mode
  arm64/sysreg: Update ID_AA64SMFR0_EL1 description to DDI0601 2025-12
  arm64/sysreg: Update ID_AA64ZFR0_EL1 description to DDI0601 2025-12
  arm64/sysreg: Update ID_AA64FPFR0_EL1 description to DDI0601 2025-12
  arm64/sysreg: Update ID_AA64ISAR2_EL1 description to DDI0601 2025-12
  arm64/sysreg: Update ID_AA64ISAR0_EL1 description to DDI0601 2025-12
  arm64/hwcap: Generate the KERNEL_HWCAP_ definitions for the hwcaps
  arm64: kexec: Remove duplicate allocation for trans_pgd
  ACPI: AGDI: fix missing newline in error message
  arm64: Check DAIF (and PMR) at task-switch time
  arm64: entry: Use split preemption logic
  arm64: entry: Use irqentry_{enter_from,exit_to}_kernel_mode()
  arm64: entry: Consistently prefix arm64-specific wrappers
  arm64: entry: Don't preempt with SError or Debug masked
  entry: Split preemption from irqentry_exit_to_kernel_mode()
  entry: Split kernel mode logic from irqentry_{enter,exit}()
  entry: Move irqentry_enter() prototype later
  entry: Remove local_irq_{enable,disable}_exit_to_user()
  ...
2026-04-14 16:48:56 -07:00
Linus Torvalds
f21f7b5162 Update to the VDSO subsystem:
- Make the handling of compat functions consistent and more robust
 
      - Rework the underlying data store so that it is dynamically
        allocated, which allows the conversion of the last holdout SPARC64
        to the generic VDSO implementation
 
      - Rework the SPARC64 VDSO to utilize the generic implementation
 
      - Mop up the left overs of the non-generic VDSO support in the core
        code.
 
      - Expand the VDSO selftest and make them more robust
 
      - Allow time namespaces to be enabled independently of the generic
        VDSO support, which was not possible before due to SPARC64 not
        using it.
 
      - Various cleanups and improvements in the related code.
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Merge tag 'timers-vdso-2026-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull vdso updates from Thomas Gleixner:

 - Make the handling of compat functions consistent and more robust

 - Rework the underlying data store so that it is dynamically allocated,
   which allows the conversion of the last holdout SPARC64 to the
   generic VDSO implementation

 - Rework the SPARC64 VDSO to utilize the generic implementation

 - Mop up the left overs of the non-generic VDSO support in the core
   code

 - Expand the VDSO selftest and make them more robust

 - Allow time namespaces to be enabled independently of the generic VDSO
   support, which was not possible before due to SPARC64 not using it

 - Various cleanups and improvements in the related code

* tag 'timers-vdso-2026-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
  timens: Use task_lock guard in timens_get*()
  timens: Use mutex guard in proc_timens_set_offset()
  timens: Simplify some calls to put_time_ns()
  timens: Add a __free() wrapper for put_time_ns()
  timens: Remove dependency on the vDSO
  vdso/timens: Move functions to new file
  selftests: vDSO: vdso_test_correctness: Add a test for time()
  selftests: vDSO: vdso_test_correctness: Use facilities from parse_vdso.c
  selftests: vDSO: vdso_test_correctness: Handle different tv_usec types
  selftests: vDSO: vdso_test_correctness: Drop SYS_getcpu fallbacks
  selftests: vDSO: vdso_test_gettimeofday: Remove nolibc checks
  Revert "selftests: vDSO: parse_vdso: Use UAPI headers instead of libc headers"
  random: vDSO: Remove ifdeffery
  random: vDSO: Trim vDSO includes
  vdso/datapage: Trim down unnecessary includes
  vdso/datapage: Remove inclusion of gettimeofday.h
  vdso/helpers: Explicitly include vdso/processor.h
  vdso/gettimeofday: Add explicit includes
  random: vDSO: Add explicit includes
  MIPS: vdso: Explicitly include asm/vdso/vdso.h
  ...
2026-04-14 10:53:44 -07:00
Linus Torvalds
1334d2a3b3 gpio updates for v7.1-rc1
GPIO core:
 - defer probe on software node lookups when the remote software node
   exists but has not been registered as a firmware node yet
 - unify GPIO hog handling by moving code duplicated in OF and ACPI
   modules into GPIO core and allow setting up hogs with software nodes
 - allow matching GPIO controllers by secondary firmware node if matching
   by primary does not succeed
 - demote deferral warnings to debug level as they are quite normal when
   using software nodes which don't support fw_devlink yet
 - disable the legacy GPIO character device uAPI v1 supprt in Kconfig by
   default
 - rework several core functions in preparation for the upcoming Revocable
   helper library for protecting resources against sudden removal, this
   reduces the number of SRCU dereferences in GPIO core
 - simplify file descriptor logic in GPIO character device code by using
   FD_PREPARE()
 - introduce a header defining symbols used by both GPIO consumers and
   providers to avoid having to include provider-specific headers from
   drivers which only consume GPIOs
 - replace snprintf() with strscpy() where formatting is not required
 
 New drivers:
 - add the gpio-by-pinctrl generic driver using the ARM SCMI protocol to
   control GPIOs (along with SCMI changes pulled from the pinctrl tree)
 - add a driver providing support for handling of platform events via
   GPIO-signalled ACPI events (used on Intel Nova Lake and later platforms)
 
 Driver changes:
 - extend the gpio-kempld driver with support for more recent models,
   interrupts and setting/getting multiple values at once
 - improve interrupt handling in gpio-brcmstb
 - add support for multi-SoC systems in gpio-tegra186
 - make sure we return correct values from the .get() callbacks in several
   GPIO drivers by normalizing any values other than 0, 1 or negative error
   numbers
 - use flexible arrays in several drivers to reduce the number of required
   memory allocations
 - simplify synchronous waiting for virtual drivers to probe and remove the
   dedicated, a bit overengineered helper library dev-sync-probe
 - remove unneeded Kconfig dependencies on OF_GPIO in several drivers and
   subsystems
 - convert the two remaining users of of_get_named_gpio() to using GPIO
   descriptors and remove the (no longer used) function along with the
   header that declares it
 - add missing includes in gpio-mmio
 - shrink and simplify code in gpio-max732x by using guard(mutex)
 - remove duplicated code handling the 'ngpios' property from gpio-ts4800,
   it's already handled in GPIO core
 - use correct variable type in gpio-aspeed
 - add support for a new model in gpio-realtek-otto
 - allow to specify the active-low setting of simulated hogs over the
   configfs interface (in addition to existing devicetree support) in
   gpio-sim
 
 Bug fixes:
 - clear the OF_POPULATED flag on hog nodes in GPIO chip remove path on
   OF systems
 - fix resource leaks in error path in gpiochip_add_data_with_key()
 - drop redundant device reference in gpio-mpsse
 
 Tests:
 - add selftests for use-after-free cases in GPIO character device code
 
 DT bindings:
 - add a DT binding document for SCMI based, gpio-over-pinctrl devices
 - fix interrupt description in microchip,mpfs-gpio
 - add new compatible for gpio-realtek-otto
 - describe the resets of the mpfs-gpio controller
 - fix maintainer's email in gpio-delay bindings
 - remove the binding document for cavium,thunder-8890 as the corresponding
   device is bound over PCI and not firmware nodes
 
 Documentation:
 - update the recommended way of converting legacy boards to using software
   nodes for GPIO description
 - describe GPIO line value semantics
 - misc updates to kerneldocs
 
 Misc:
 - convert OMAP1 ams-delta board to using GPIO hogs described with software
   nodes
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Merge tag 'gpio-updates-for-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "For this merge window we have two new drivers: support for
  GPIO-signalled ACPI events on Intel platforms and a generic
  GPIO-over-pinctrl driver using the ARM SCMI protocol for
  controlling pins.

  Several things have been reworked in GPIO core: we unduplicated GPIO
  hog handling, reduced the number of SRCU locks and dereferences,
  improved support for software-node-based lookup and removed more
  legacy code after converting remaining users to modern alternatives.

  There's also a number of driver reworks and refactoring, documentation
  updates, some bug-fixes and new tests.

  GPIO core:
   - defer probe on software node lookups when the remote software node
     exists but has not been registered as a firmware node yet
   - unify GPIO hog handling by moving code duplicated in OF and ACPI
     modules into GPIO core and allow setting up hogs with software
     nodes
   - allow matching GPIO controllers by secondary firmware node if
     matching by primary does not succeed
   - demote deferral warnings to debug level as they are quite normal
     when using software nodes which don't support fw_devlink yet
   - disable the legacy GPIO character device uAPI v1 supprt in Kconfig
     by default
   - rework several core functions in preparation for the upcoming
     Revocable helper library for protecting resources against sudden
     removal, this reduces the number of SRCU dereferences in GPIO core
   - simplify file descriptor logic in GPIO character device code by
     using FD_PREPARE()
   - introduce a header defining symbols used by both GPIO consumers and
     providers to avoid having to include provider-specific headers from
     drivers which only consume GPIOs
   - replace snprintf() with strscpy() where formatting is not required

  New drivers:
   - add the gpio-by-pinctrl generic driver using the ARM SCMI protocol
     to control GPIOs (along with SCMI changes pulled from the pinctrl
     tree)
   - add a driver providing support for handling of platform events via
     GPIO-signalled ACPI events (used on Intel Nova Lake and later
     platforms)

  Driver changes:
   - extend the gpio-kempld driver with support for more recent models,
     interrupts and setting/getting multiple values at once
   - improve interrupt handling in gpio-brcmstb
   - add support for multi-SoC systems in gpio-tegra186
   - make sure we return correct values from the .get() callbacks in
     several GPIO drivers by normalizing any values other than 0, 1 or
     negative error numbers
   - use flexible arrays in several drivers to reduce the number of
     required memory allocations
   - simplify synchronous waiting for virtual drivers to probe and
     remove the dedicated, a bit overengineered helper library
     dev-sync-probe
   - remove unneeded Kconfig dependencies on OF_GPIO in several drivers
     and subsystems
   - convert the two remaining users of of_get_named_gpio() to using
     GPIO descriptors and remove the (no longer used) function along
     with the header that declares it
   - add missing includes in gpio-mmio
   - shrink and simplify code in gpio-max732x by using guard(mutex)
   - remove duplicated code handling the 'ngpios' property from
     gpio-ts4800, it's already handled in GPIO core
   - use correct variable type in gpio-aspeed
   - add support for a new model in gpio-realtek-otto
   - allow to specify the active-low setting of simulated hogs over the
     configfs interface (in addition to existing devicetree support) in
     gpio-sim

  Bug fixes:
   - clear the OF_POPULATED flag on hog nodes in GPIO chip remove path
     on OF systems
   - fix resource leaks in error path in gpiochip_add_data_with_key()
   - drop redundant device reference in gpio-mpsse

  Tests:
   - add selftests for use-after-free cases in GPIO character device
     code

  DT bindings:
   - add a DT binding document for SCMI based, gpio-over-pinctrl devices
   - fix interrupt description in microchip,mpfs-gpio
   - add new compatible for gpio-realtek-otto
   - describe the resets of the mpfs-gpio controller
   - fix maintainer's email in gpio-delay bindings
   - remove the binding document for cavium,thunder-8890 as the
     corresponding device is bound over PCI and not firmware nodes

  Documentation:
   - update the recommended way of converting legacy boards to using
     software nodes for GPIO description
   - describe GPIO line value semantics
   - misc updates to kerneldocs

  Misc:
   - convert OMAP1 ams-delta board to using GPIO hogs described with
     software nodes"

* tag 'gpio-updates-for-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (79 commits)
  gpio: swnode: defer probe on references to unregistered software nodes
  dt-bindings: gpio: cavium,thunder-8890: Remove DT binding
  Documentation: gpio: update the preferred method for using software node lookup
  gpio: gpio-by-pinctrl: s/used to do/is used to do/
  gpio: aspeed: fix unsigned long int declaration
  gpio: rockchip: convert to dynamic GPIO base allocation
  gpio: remove dev-sync-probe
  gpio: virtuser: stop using dev-sync-probe
  gpio: aggregator: stop using dev-sync-probe
  gpio: sim: stop using dev-sync-probe
  gpio: Add Intel Nova Lake ACPI GPIO events driver
  gpiolib: Make deferral warnings debug messages
  gpiolib: fix hogs with multiple lines
  gpio: fix up CONFIG_OF dependencies
  gpio: gpio-by-pinctrl: add pinctrl based generic GPIO driver
  gpio: dt-bindings: Add GPIO on top of generic pin control
  firmware: arm_scmi: Allow PINCTRL_REQUEST to return EOPNOTSUPP
  pinctrl: scmi: ignore PIN_CONFIG_PERSIST_STATE
  pinctrl: scmi: Delete PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS support
  pinctrl: scmi: Add SCMI_PIN_INPUT_VALUE
  ...
2026-04-13 20:10:58 -07:00
Linus Torvalds
370c388319 Crypto library updates for 7.1
- Migrate more hash algorithms from the traditional crypto subsystem
   to lib/crypto/.
 
   Like the algorithms migrated earlier (e.g. SHA-*), this simplifies
   the implementations, improves performance, enables further
   simplifications in calling code, and solves various other issues:
 
     - AES CBC-based MACs (AES-CMAC, AES-XCBC-MAC, and AES-CBC-MAC)
 
         - Support these algorithms in lib/crypto/ using the AES
           library and the existing arm64 assembly code
 
         - Reimplement the traditional crypto API's "cmac(aes)",
           "xcbc(aes)", and "cbcmac(aes)" on top of the library
 
         - Convert mac80211 to use the AES-CMAC library. Note: several
           other subsystems can use it too and will be converted later
 
         - Drop the broken, nonstandard, and likely unused support for
           "xcbc(aes)" with key lengths other than 128 bits
 
         - Enable optimizations by default
 
     - GHASH
 
         - Migrate the standalone GHASH code into lib/crypto/
 
         - Integrate the GHASH code more closely with the very similar
           POLYVAL code, and improve the generic GHASH implementation
           to resist cache-timing attacks and use much less memory
 
         - Reimplement the AES-GCM library and the "gcm" crypto_aead
           template on top of the GHASH library. Remove "ghash" from
           the crypto_shash API, as it's no longer needed
 
         - Enable optimizations by default
 
     - SM3
 
         - Migrate the kernel's existing SM3 code into lib/crypto/, and
           reimplement the traditional crypto API's "sm3" on top of it
 
         - I don't recommend using SM3, but this cleanup is worthwhile
           to organize the code the same way as other algorithms
 
 - Testing improvements
 
     - Add a KUnit test suite for each of the new library APIs
 
     - Migrate the existing ChaCha20Poly1305 test to KUnit
 
     - Make the KUnit all_tests.config enable all crypto library tests
 
     - Move the test kconfig options to the Runtime Testing menu
 
 - Other updates to arch-optimized crypto code
 
     - Optimize SHA-256 for Zhaoxin CPUs using the Padlock Hash Engine
 
     - Remove some MD5 implementations that are no longer worth keeping
 
     - Drop big endian and voluntary preemption support from the arm64
       code, as those configurations are no longer supported on arm64
 
 - Make jitterentropy and samples/tsm-mr use the crypto library APIs
 
 Note: the overall diffstat is neutral, but when the test code is
 excluded it is significantly negative:
 
     Tests:     13 files changed, 1982 insertions(+),  888 deletions(-)
     Non-test: 141 files changed, 2897 insertions(+), 3987 deletions(-)
     All:      154 files changed, 4879 insertions(+), 4875 deletions(-)
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Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

Pull crypto library updates from Eric Biggers:

 - Migrate more hash algorithms from the traditional crypto subsystem to
   lib/crypto/

   Like the algorithms migrated earlier (e.g. SHA-*), this simplifies
   the implementations, improves performance, enables further
   simplifications in calling code, and solves various other issues:

     - AES CBC-based MACs (AES-CMAC, AES-XCBC-MAC, and AES-CBC-MAC)

         - Support these algorithms in lib/crypto/ using the AES library
           and the existing arm64 assembly code

         - Reimplement the traditional crypto API's "cmac(aes)",
           "xcbc(aes)", and "cbcmac(aes)" on top of the library

         - Convert mac80211 to use the AES-CMAC library. Note: several
           other subsystems can use it too and will be converted later

         - Drop the broken, nonstandard, and likely unused support for
           "xcbc(aes)" with key lengths other than 128 bits

         - Enable optimizations by default

     - GHASH

         - Migrate the standalone GHASH code into lib/crypto/

         - Integrate the GHASH code more closely with the very similar
           POLYVAL code, and improve the generic GHASH implementation to
           resist cache-timing attacks and use much less memory

         - Reimplement the AES-GCM library and the "gcm" crypto_aead
           template on top of the GHASH library. Remove "ghash" from the
           crypto_shash API, as it's no longer needed

         - Enable optimizations by default

     - SM3

         - Migrate the kernel's existing SM3 code into lib/crypto/, and
           reimplement the traditional crypto API's "sm3" on top of it

         - I don't recommend using SM3, but this cleanup is worthwhile
           to organize the code the same way as other algorithms

 - Testing improvements:

     - Add a KUnit test suite for each of the new library APIs

     - Migrate the existing ChaCha20Poly1305 test to KUnit

     - Make the KUnit all_tests.config enable all crypto library tests

     - Move the test kconfig options to the Runtime Testing menu

 - Other updates to arch-optimized crypto code:

     - Optimize SHA-256 for Zhaoxin CPUs using the Padlock Hash Engine

     - Remove some MD5 implementations that are no longer worth keeping

     - Drop big endian and voluntary preemption support from the arm64
       code, as those configurations are no longer supported on arm64

 - Make jitterentropy and samples/tsm-mr use the crypto library APIs

* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (66 commits)
  lib/crypto: arm64: Assume a little-endian kernel
  arm64: fpsimd: Remove obsolete cond_yield macro
  lib/crypto: arm64/sha3: Remove obsolete chunking logic
  lib/crypto: arm64/sha512: Remove obsolete chunking logic
  lib/crypto: arm64/sha256: Remove obsolete chunking logic
  lib/crypto: arm64/sha1: Remove obsolete chunking logic
  lib/crypto: arm64/poly1305: Remove obsolete chunking logic
  lib/crypto: arm64/gf128hash: Remove obsolete chunking logic
  lib/crypto: arm64/chacha: Remove obsolete chunking logic
  lib/crypto: arm64/aes: Remove obsolete chunking logic
  lib/crypto: Include <crypto/utils.h> instead of <crypto/algapi.h>
  lib/crypto: aesgcm: Don't disable IRQs during AES block encryption
  lib/crypto: aescfb: Don't disable IRQs during AES block encryption
  lib/crypto: tests: Migrate ChaCha20Poly1305 self-test to KUnit
  lib/crypto: sparc: Drop optimized MD5 code
  lib/crypto: mips: Drop optimized MD5 code
  lib: Move crypto library tests to Runtime Testing menu
  crypto: sm3 - Remove 'struct sm3_state'
  crypto: sm3 - Remove the original "sm3_block_generic()"
  crypto: sm3 - Remove sm3_base.h
  ...
2026-04-13 17:31:39 -07:00
Jakub Kicinski
118cbd428e Final updates, notably:
- crypto: move Michael MIC code into wireless (only)
  - mac80211:
    - multi-link 4-addr support
    - NAN data support (but no drivers yet)
  - ath10k: DT quirk to make it work on some devices
  - ath12k: IPQ5424 support
  - rtw89: USB improvements for performance
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Merge tag 'wireless-next-2026-04-10' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
Final updates, notably:
 - crypto: move Michael MIC code into wireless (only)
 - mac80211:
   - multi-link 4-addr support
   - NAN data support (but no drivers yet)
 - ath10k: DT quirk to make it work on some devices
 - ath12k: IPQ5424 support
 - rtw89: USB improvements for performance

* tag 'wireless-next-2026-04-10' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (124 commits)
  wifi: cfg80211: Explicitly include <linux/export.h> in michael-mic.c
  wifi: ath10k: Add device-tree quirk to skip host cap QMI requests
  dt-bindings: wireless: ath10k: Add quirk to skip host cap QMI requests
  crypto: Remove michael_mic from crypto_shash API
  wifi: ipw2x00: Use michael_mic() from cfg80211
  wifi: ath12k: Use michael_mic() from cfg80211
  wifi: ath11k: Use michael_mic() from cfg80211
  wifi: mac80211, cfg80211: Export michael_mic() and move it to cfg80211
  wifi: ipw2x00: Rename michael_mic() to libipw_michael_mic()
  wifi: libertas_tf: refactor endpoint lookup
  wifi: libertas: refactor endpoint lookup
  wifi: at76c50x: refactor endpoint lookup
  wifi: ath12k: Enable IPQ5424 WiFi device support
  wifi: ath12k: Add CE remap hardware parameters for IPQ5424
  wifi: ath12k: add ath12k_hw_regs for IPQ5424
  wifi: ath12k: add ath12k_hw_version_map entry for IPQ5424
  wifi: ath12k: Add ath12k_hw_params for IPQ5424
  dt-bindings: net: wireless: add ath12k wifi device IPQ5424
  wifi: ath10k: fix station lookup failure during disconnect
  wifi: ath12k: Create symlink for each radio in a wiphy
  ...
====================

Link: https://patch.msgid.link/20260410064703.735099-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-04-12 09:17:42 -07:00
Krzysztof Kozlowski
17ed8fd2fa i.MX ARM device tree changes for 7.1:
- Device Tree Schema Compliance Fixes
 
   Fixed numerous CHECK_DTBS warnings across multiple i.MX SoC families
   Renamed nodes to match schema requirements (tcq→touchscreen,
   uart8250→serial, iomuxc→pinmux, etc.). Fixed node naming conventions
   (added "led-" prefix, proper addressing formats).
 
   Corrected compatible strings and removed undocumented fallbacks. Added
   required properties (clocks, clock-names, power supplies,
   #sound-dai-cells).
 
 - New Hardware Support
 
   Added DT overlays for various expansion modules (i.MX6 DHCOM PDK2,
   PicoITX display boards). Added support for muRata 1YN WiFi chip
   (replacement for 1DX) on i.MX6ULL DHCOR board.
 
   i.MX7ULP: Added CPU clock and OPP table support for frequency scaling.
 
 - Boot Phase Properties
   Added bootph.yaml properties to multiple TQ-Systems boards and SoCs:
   imx7s, tqma7, mba7 imx6ul/ull, tqma6ul/ull, mba6ulx imx6qdl, tqma6, mba6.
 
 - Bug Fixes & Corrections
 
   Fixed interrupt property usage (interrupts→interrupts-extended where
   needed). Corrected spelling ("TQ-Systems" with hyphen). Removed redundant
   intermediate nodes in pinmux hierarchy. Fixed clock references and
   naming.
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Merge tag 'imx-dt-7.1' of https://git.kernel.org/pub/scm/linux/kernel/git/frank.li/linux into soc/dt

i.MX ARM device tree changes for 7.1:

- Device Tree Schema Compliance Fixes

  Fixed numerous CHECK_DTBS warnings across multiple i.MX SoC families
  Renamed nodes to match schema requirements (tcq→touchscreen,
  uart8250→serial, iomuxc→pinmux, etc.). Fixed node naming conventions
  (added "led-" prefix, proper addressing formats).

  Corrected compatible strings and removed undocumented fallbacks. Added
  required properties (clocks, clock-names, power supplies,
  #sound-dai-cells).

- New Hardware Support

  Added DT overlays for various expansion modules (i.MX6 DHCOM PDK2,
  PicoITX display boards). Added support for muRata 1YN WiFi chip
  (replacement for 1DX) on i.MX6ULL DHCOR board.

  i.MX7ULP: Added CPU clock and OPP table support for frequency scaling.

- Boot Phase Properties
  Added bootph.yaml properties to multiple TQ-Systems boards and SoCs:
  imx7s, tqma7, mba7 imx6ul/ull, tqma6ul/ull, mba6ulx imx6qdl, tqma6, mba6.

- Bug Fixes & Corrections

  Fixed interrupt property usage (interrupts→interrupts-extended where
  needed). Corrected spelling ("TQ-Systems" with hyphen). Removed redundant
  intermediate nodes in pinmux hierarchy. Fixed clock references and
  naming.

* tag 'imx-dt-7.1' of https://git.kernel.org/pub/scm/linux/kernel/git/frank.li/linux: (43 commits)
  ARM: dts: imx: Add DT overlays for DH i.MX6 DHCOM SoM and boards
  ARM: dts: imx6sx: remove fallback compatible string fsl,imx28-lcdif
  ARM: dts: imx25: rename node name tcq to touchscreen
  ARM: dts: imx: b850v3: Disable unused usdhc4
  ARM: dts: imx: b850v3: Define GPIO line names
  ARM: dts: imx: b850v3: Use alphabetical sorting
  ARM: dts: imx: bx50v3: Configure phy-mode to eliminate a warning
  ARM: dts: imx: bx50v3: Configure switch PHY max-speed to 100Mbps
  ARM: dts: imx7ulp: Add CPU clock and OPP table support
  ARM: dts: imx7-mba7: Deassert BOOT_EN after boot
  ARM: dts: tqma7: add boot phase properties
  ARM: dts: imx7s: add boot phase properties
  ARM: dts: tqma6ul[l]: correct spelling of TQ-Systems
  ARM: dts: mba6ulx: add boot phase properties
  ARM: dts: imx6ul[l]-tqma6ul[l]: add boot phase properties
  ARM: dts: imx6ul/imx6ull: add boot phase properties
  ARM: dts: imx6qdl-mba6: add boot phase properties
  ARM: dts: imx6qdl-tqma6: add boot phase properties
  ARM: dts: imx6qdl: add boot phase properties
  ARM: dts: imx6qdl-tqma6: add missing labels
  ...

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2026-04-11 10:20:17 +02:00
Krzysztof Kozlowski
4177ec9d58 Support for the RV1103B SoC and the Onion Omega4 board using it.
While the RV1103B only got a B-extension to its name, the SoC internals
 were reworked heavily. So likely it's mainly pin compatible to the
 non-B variant.
 
 The dt-binding for the RV1103B clock driver is shared with the clock-
 driver branch going into the clock-tree.
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Merge tag 'v7.1-rockchip-dts32-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into soc/dt

Support for the RV1103B SoC and the Onion Omega4 board using it.
While the RV1103B only got a B-extension to its name, the SoC internals
were reworked heavily. So likely it's mainly pin compatible to the
non-B variant.

The dt-binding for the RV1103B clock driver is shared with the clock-
driver branch going into the clock-tree.

* tag 'v7.1-rockchip-dts32-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: Add Onion Omega4 Evaluation Board
  dt-bindings: arm: rockchip: Add Omega4 Evaluation board
  ARM: dts: rockchip: Add support for RV1103B
  dt-bindings: soc: rockchip: grf: Add RV1103B compatibles
  dt-bindings: clock: rockchip: Add RV1103B CRU support

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2026-04-11 10:09:33 +02:00
Krzysztof Kozlowski
104f1e3f6d A number of dt-schema cleanups that are log standing, so not suitable
as fix for the current release.
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Merge tag 'v7.1-rockchip-dts32-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into soc/dt

A number of dt-schema cleanups that are log standing, so not suitable
as fix for the current release.

* tag 'v7.1-rockchip-dts32-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: Pass linux,code to the power key on rk3288-veyron-pinky
  ARM: dts: rockchip: Fix LED node names on rk3288-phycore-rdk
  ARM: dts: rockchip: Fix GMAC description n RK3288 boards
  ARM: dts: rockchip: Fix RTC description on rk3288-firefly-reload
  ARM: dts: rockchip: Add missing the touchscreen interrupt on rk3288-phycore-rdk
  ARM: dts: rockchip: Fix the trackpad supply on rk3288-veyron-jerry
  ARM: dts: rockchip: Fix the Bluetooth node name on rk3288-veyron
  ARM: dts: rockchip: Remove invalid regulator-property from rk3288-veyron
  ARM: dts: rockchip: Use mount-matrix on rk3188-bqedison2qc
  ARM: dts: rockchip: Fix RTC compatible on rk3288-phycore-rdk
  ARM: dts: rockchip: Move PHY reset to ethernet-phy node on rk3036 boards
  ARM: dts: rockchip: Remove rockchip,grf from rk3288 tsadc

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2026-04-11 10:04:14 +02:00