mirror of
https://github.com/torvalds/linux.git
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16df258295
29208 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Vincenzo Frascino
|
adde606515 |
UPSTREAM: timekeeping: Provide a generic update_vsyscall() implementation
The new generic VDSO library allows to unify the update_vsyscall[_tz]()
implementations.
Provide a generic implementation based on the x86 code and the bindings
which need to be implemented in architecture specific code.
[ tglx: Moved it into kernel/time where it belongs. Removed the pointless
line breaks in the stub functions. Massaged changelog ]
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Shijith Thotton <sthotton@marvell.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mips@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Mark Salyzyn <salyzyn@android.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Dmitry Safonov <0x7f454c46@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Huw Davies <huw@codeweavers.com>
Link: https://lkml.kernel.org/r/20190621095252.32307-4-vincenzo.frascino@arm.com
(cherry picked from commit
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Kelly Rossmoyer
|
51dd650781 |
ANDROID: fix wakeup reason findings
The 0-day test bot found three minor issues in the wakeup_reason
enhancements patch, including two undeclared functions that should have
been static, an allegedly uninitialized pointer (which is actually set
in the line immediately prior to cppcheck's complaint), and a type
mismatch when printing timespec64 fields on a 32-bit build.
These changes address those findings.
Fixes:
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Greg Kroah-Hartman
|
a13256124f |
This is the 4.19.118 stable release
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Merge 4.19.118 into android-4.19
Changes in 4.19.118
arm, bpf: Fix offset overflow for BPF_MEM BPF_DW
objtool: Fix switch table detection in .text.unlikely
scsi: sg: add sg_remove_request in sg_common_write
ext4: use non-movable memory for superblock readahead
watchdog: sp805: fix restart handler
arm, bpf: Fix bugs with ALU64 {RSH, ARSH} BPF_K shift by 0
ARM: dts: imx6: Use gpc for FEC interrupt controller to fix wake on LAN.
netfilter: nf_tables: report EOPNOTSUPP on unsupported flags/object type
irqchip/mbigen: Free msi_desc on device teardown
ALSA: hda: Don't release card at firmware loading error
of: unittest: kmemleak on changeset destroy
of: unittest: kmemleak in of_unittest_platform_populate()
of: unittest: kmemleak in of_unittest_overlay_high_level()
of: overlay: kmemleak in dup_and_fixup_symbol_prop()
x86/Hyper-V: Report crash register data or kmsg before running crash kernel
lib/raid6: use vdupq_n_u8 to avoid endianness warnings
video: fbdev: sis: Remove unnecessary parentheses and commented code
rbd: avoid a deadlock on header_rwsem when flushing notifies
rbd: call rbd_dev_unprobe() after unwatching and flushing notifies
xsk: Add missing check on user supplied headroom size
x86/Hyper-V: Unload vmbus channel in hv panic callback
x86/Hyper-V: Free hv_panic_page when fail to register kmsg dump
x86/Hyper-V: Trigger crash enlightenment only once during system crash.
x86/Hyper-V: Report crash register data when sysctl_record_panic_msg is not set
x86/Hyper-V: Report crash data in die() when panic_on_oops is set
clk: at91: usb: continue if clk_hw_round_rate() return zero
power: supply: bq27xxx_battery: Silence deferred-probe error
clk: tegra: Fix Tegra PMC clock out parents
soc: imx: gpc: fix power up sequencing
rtc: 88pm860x: fix possible race condition
NFSv4/pnfs: Return valid stateids in nfs_layout_find_inode_by_stateid()
NFS: direct.c: Fix memory leak of dreq when nfs_get_lock_context fails
s390/cpuinfo: fix wrong output when CPU0 is offline
powerpc/maple: Fix declaration made after definition
s390/cpum_sf: Fix wrong page count in error message
ext4: do not commit super on read-only bdev
um: ubd: Prevent buffer overrun on command completion
cifs: Allocate encryption header through kmalloc
include/linux/swapops.h: correct guards for non_swap_entry()
percpu_counter: fix a data race at vm_committed_as
compiler.h: fix error in BUILD_BUG_ON() reporting
KVM: s390: vsie: Fix possible race when shadowing region 3 tables
x86: ACPI: fix CPU hotplug deadlock
drm/amdkfd: kfree the wrong pointer
NFS: Fix memory leaks in nfs_pageio_stop_mirroring()
f2fs: fix NULL pointer dereference in f2fs_write_begin()
drm/vc4: Fix HDMI mode validation
iommu/vt-d: Fix mm reference leak
ext2: fix empty body warnings when -Wextra is used
ext2: fix debug reference to ext2_xattr_cache
power: supply: axp288_fuel_gauge: Broaden vendor check for Intel Compute Sticks.
libnvdimm: Out of bounds read in __nd_ioctl()
iommu/amd: Fix the configuration of GCR3 table root pointer
f2fs: fix to wait all node page writeback
net: dsa: bcm_sf2: Fix overflow checks
fbdev: potential information leak in do_fb_ioctl()
iio: si1133: read 24-bit signed integer for measurement
tty: evh_bytechan: Fix out of bounds accesses
locktorture: Print ratio of acquisitions, not failures
mtd: spinand: Explicitly use MTD_OPS_RAW to write the bad block marker to OOB
mtd: lpddr: Fix a double free in probe()
mtd: phram: fix a double free issue in error path
KEYS: Don't write out to userspace while holding key semaphore
bpf: fix buggy r0 retval refinement for tracing helpers
Linux 4.19.118
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ife34f739f719c332c7b1d22b1832179be6a16800
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Daniel Borkmann
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e0b80b7d64 |
bpf: fix buggy r0 retval refinement for tracing helpers
[ no upstream commit ] See the glory details in |
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Paul E. McKenney
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9c85fc004e |
locktorture: Print ratio of acquisitions, not failures
commit |
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Anil Kumar Mamidala
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8660cb6674 |
ANDROID: GKI: qos: Register irq notify after adding the qos request
Before adding the irq affinity based qos request to the list, if the affinity of the interrupt changes it will trigger notify call. This notifier call will try to update the qos request. Accessing the qos request which is not yet added to the list leads to a NULL pointer exception. Avoid this race by registering the notifier after adding the qos request. Test: build, boot Bug: 150901210 Change-Id: I99869cc233573b5db10e4f3224d65c29511050ea Signed-off-by: Anil Kumar Mamidala <amami@codeaurora.org> (cherry picked from commit 5db62557cb0e0fb88a638bd300295d1adb8f5bd7) Signed-off-by: Hridya Valsaraju <hridya@google.com> |
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Greg Kroah-Hartman
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fd8a9d61cf |
This is the 4.19.117 stable release
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Xiao Yang
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57f2a2ad73 |
tracing: Fix the race between registering 'snapshot' event trigger and triggering 'snapshot' operation
commit |
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Greg Kroah-Hartman
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95bff4cdab |
This is the 4.19.116 stable release
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Merge 4.19.116 into android-4.19
Changes in 4.19.116
ARM: dts: sun8i-a83t-tbs-a711: HM5065 doesn't like such a high voltage
bus: sunxi-rsb: Return correct data when mixing 16-bit and 8-bit reads
net: vxge: fix wrong __VA_ARGS__ usage
hinic: fix a bug of waitting for IO stopped
hinic: fix wrong para of wait_for_completion_timeout
cxgb4/ptp: pass the sign of offset delta in FW CMD
qlcnic: Fix bad kzalloc null test
i2c: st: fix missing struct parameter description
cpufreq: imx6q: Fixes unwanted cpu overclocking on i.MX6ULL
media: venus: hfi_parser: Ignore HEVC encoding for V1
firmware: arm_sdei: fix double-lock on hibernate with shared events
null_blk: Fix the null_add_dev() error path
null_blk: Handle null_add_dev() failures properly
null_blk: fix spurious IO errors after failed past-wp access
xhci: bail out early if driver can't accress host in resume
x86: Don't let pgprot_modify() change the page encryption bit
block: keep bdi->io_pages in sync with max_sectors_kb for stacked devices
irqchip/versatile-fpga: Handle chained IRQs properly
sched: Avoid scale real weight down to zero
selftests/x86/ptrace_syscall_32: Fix no-vDSO segfault
PCI/switchtec: Fix init_completion race condition with poll_wait()
media: i2c: video-i2c: fix build errors due to 'imply hwmon'
libata: Remove extra scsi_host_put() in ata_scsi_add_hosts()
pstore/platform: fix potential mem leak if pstore_init_fs failed
gfs2: Don't demote a glock until its revokes are written
x86/boot: Use unsigned comparison for addresses
efi/x86: Ignore the memory attributes table on i386
genirq/irqdomain: Check pointer in irq_domain_alloc_irqs_hierarchy()
block: Fix use-after-free issue accessing struct io_cq
media: i2c: ov5695: Fix power on and off sequences
usb: dwc3: core: add support for disabling SS instances in park mode
irqchip/gic-v4: Provide irq_retrigger to avoid circular locking dependency
md: check arrays is suspended in mddev_detach before call quiesce operations
firmware: fix a double abort case with fw_load_sysfs_fallback
locking/lockdep: Avoid recursion in lockdep_count_{for,back}ward_deps()
block, bfq: fix use-after-free in bfq_idle_slice_timer_body
btrfs: qgroup: ensure qgroup_rescan_running is only set when the worker is at least queued
btrfs: remove a BUG_ON() from merge_reloc_roots()
btrfs: track reloc roots based on their commit root bytenr
IB/mlx5: Replace tunnel mpls capability bits for tunnel_offloads
uapi: rename ext2_swab() to swab() and share globally in swab.h
slub: improve bit diffusion for freelist ptr obfuscation
ASoC: fix regwmask
ASoC: dapm: connect virtual mux with default value
ASoC: dpcm: allow start or stop during pause for backend
ASoC: topology: use name_prefix for new kcontrol
usb: gadget: f_fs: Fix use after free issue as part of queue failure
usb: gadget: composite: Inform controller driver of self-powered
ALSA: usb-audio: Add mixer workaround for TRX40 and co
ALSA: hda: Add driver blacklist
ALSA: hda: Fix potential access overflow in beep helper
ALSA: ice1724: Fix invalid access for enumerated ctl items
ALSA: pcm: oss: Fix regression by buffer overflow fix
ALSA: doc: Document PC Beep Hidden Register on Realtek ALC256
ALSA: hda/realtek - Set principled PC Beep configuration for ALC256
ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups
ALSA: hda/realtek - Add quirk for MSI GL63
media: ti-vpe: cal: fix disable_irqs to only the intended target
acpi/x86: ignore unspecified bit positions in the ACPI global lock field
thermal: devfreq_cooling: inline all stubs for CONFIG_DEVFREQ_THERMAL=n
nvme-fc: Revert "add module to ops template to allow module references"
nvme: Treat discovery subsystems as unique subsystems
PCI: pciehp: Fix indefinite wait on sysfs requests
PCI/ASPM: Clear the correct bits when enabling L1 substates
PCI: Add boot interrupt quirk mechanism for Xeon chipsets
PCI: endpoint: Fix for concurrent memory allocation in OB address region
tpm: Don't make log failures fatal
tpm: tpm1_bios_measurements_next should increase position index
tpm: tpm2_bios_measurements_next should increase position index
KEYS: reaching the keys quotas correctly
irqchip/versatile-fpga: Apply clear-mask earlier
pstore: pstore_ftrace_seq_next should increase position index
MIPS/tlbex: Fix LDDIR usage in setup_pw() for Loongson-3
MIPS: OCTEON: irq: Fix potential NULL pointer dereference
ath9k: Handle txpower changes even when TPC is disabled
signal: Extend exec_id to 64bits
x86/entry/32: Add missing ASM_CLAC to general_protection entry
KVM: nVMX: Properly handle userspace interrupt window request
KVM: s390: vsie: Fix region 1 ASCE sanity shadow address checks
KVM: s390: vsie: Fix delivery of addressing exceptions
KVM: x86: Allocate new rmap and large page tracking when moving memslot
KVM: VMX: Always VMCLEAR in-use VMCSes during crash with kexec support
KVM: x86: Gracefully handle __vmalloc() failure during VM allocation
KVM: VMX: fix crash cleanup when KVM wasn't used
CIFS: Fix bug which the return value by asynchronous read is error
mtd: spinand: Stop using spinand->oobbuf for buffering bad block markers
mtd: spinand: Do not erase the block before writing a bad block marker
Btrfs: fix crash during unmount due to race with delayed inode workers
btrfs: set update the uuid generation as soon as possible
btrfs: drop block from cache on error in relocation
btrfs: fix missing file extent item for hole after ranged fsync
btrfs: fix missing semaphore unlock in btrfs_sync_file
crypto: mxs-dcp - fix scatterlist linearization for hash
erofs: correct the remaining shrink objects
powerpc/pseries: Drop pointless static qualifier in vpa_debugfs_init()
x86/speculation: Remove redundant arch_smt_update() invocation
tools: gpio: Fix out-of-tree build regression
mm: Use fixed constant in page_frag_alloc instead of size + 1
net: qualcomm: rmnet: Allow configuration updates to existing devices
arm64: dts: allwinner: h6: Fix PMU compatible
dm writecache: add cond_resched to avoid CPU hangs
dm verity fec: fix memory leak in verity_fec_dtr
scsi: zfcp: fix missing erp_lock in port recovery trigger for point-to-point
arm64: armv8_deprecated: Fix undef_hook mask for thumb setend
selftests: vm: drop dependencies on page flags from mlock2 tests
rtc: omap: Use define directive for PIN_CONFIG_ACTIVE_HIGH
drm/etnaviv: rework perfmon query infrastructure
powerpc/pseries: Avoid NULL pointer dereference when drmem is unavailable
NFS: Fix a page leak in nfs_destroy_unlinked_subrequests()
ext4: fix a data race at inode->i_blocks
fs/filesystems.c: downgrade user-reachable WARN_ONCE() to pr_warn_once()
ocfs2: no need try to truncate file beyond i_size
perf tools: Support Python 3.8+ in Makefile
s390/diag: fix display of diagnose call statistics
Input: i8042 - add Acer Aspire 5738z to nomux list
clk: ingenic/jz4770: Exit with error if CGU init failed
kmod: make request_module() return an error when autoloading is disabled
cpufreq: powernv: Fix use-after-free
hfsplus: fix crash and filesystem corruption when deleting files
libata: Return correct status in sata_pmp_eh_recover_pm() when ATA_DFLAG_DETACH is set
ipmi: fix hung processes in __get_guid()
xen/blkfront: fix memory allocation flags in blkfront_setup_indirect()
powerpc/powernv/idle: Restore AMR/UAMOR/AMOR after idle
powerpc/64/tm: Don't let userspace set regs->trap via sigreturn
powerpc/hash64/devmap: Use H_PAGE_THP_HUGE when setting up huge devmap PTE entries
powerpc/xive: Use XIVE_BAD_IRQ instead of zero to catch non configured IPIs
powerpc/kprobes: Ignore traps that happened in real mode
scsi: mpt3sas: Fix kernel panic observed on soft HBA unplug
powerpc: Add attributes for setjmp/longjmp
powerpc: Make setjmp/longjmp signature standard
btrfs: use nofs allocations for running delayed items
dm zoned: remove duplicate nr_rnd_zones increase in dmz_init_zone()
crypto: caam - update xts sector size for large input length
crypto: ccree - improve error handling
crypto: ccree - zero out internal struct before use
crypto: ccree - don't mangle the request assoclen
crypto: ccree - dec auth tag size from cryptlen map
crypto: ccree - only try to map auth tag if needed
Revert "drm/dp_mst: Remove VCPI while disabling topology mgr"
drm/dp_mst: Fix clearing payload state on topology disable
drm: Remove PageReserved manipulation from drm_pci_alloc
ftrace/kprobe: Show the maxactive number on kprobe_events
powerpc/fsl_booke: Avoid creating duplicate tlb1 entry
misc: echo: Remove unnecessary parentheses and simplify check for zero
etnaviv: perfmon: fix total and idle HI cyleces readout
mfd: dln2: Fix sanity checking for endpoints
efi/x86: Fix the deletion of variables in mixed mode
Linux 4.19.116
Change-Id: If09fbb53fcb11ea01eaaa7fee7ed21ed6234f352
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Minchan Kim
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c27ea19ea4 |
ANDROID: GKI: attribute page lock and waitqueue functions as sched
trace_sched_blocked_trace in CFS is really useful for debugging via
trace because it tell where the process was stuck on callstack.
For example,
<...>-6143 ( 6136) [005] d..2 50.278987: sched_blocked_reason: pid=6136 iowait=0 caller=SyS_mprotect+0x88/0x208
<...>-6136 ( 6136) [005] d..2 50.278990: sched_blocked_reason: pid=6142 iowait=0 caller=do_page_fault+0x1f4/0x3b0
<...>-6142 ( 6136) [006] d..2 50.278996: sched_blocked_reason: pid=6144 iowait=0 caller=SyS_prctl+0x52c/0xb58
<...>-6144 ( 6136) [006] d..2 50.279007: sched_blocked_reason: pid=6136 iowait=0 caller=vm_mmap_pgoff+0x74/0x104
However, sometime it gives pointless information like this.
RenderThread-2322 ( 1805) [006] d.s3 50.319046: sched_blocked_reason: pid=6136 iowait=1 caller=__lock_page_killable+0x17c/0x220
logd.writer-594 ( 587) [002] d.s3 50.334011: sched_blocked_reason: pid=6126 iowait=1 caller=wait_on_page_bit+0x194/0x208
kworker/u16:13-333 ( 333) [007] d.s4 50.343161: sched_blocked_reason: pid=6136 iowait=1 caller=__lock_page_killable+0x17c/0x220
Such wait_on_page_bit, __lock_page_killable are pointless because it doesn't
carry on higher information to identify the callstack.
The reason is page_lock and waitqueue are special synchronization method unlike
other normal locks(mutex, spinlock).
Let's mark them as "__sched" so get_wchan which used in trace_sched_blocked_trace
could detect it and skip them. It will produce more meaningful callstack
function like this.
<...>-2867 ( 1068) [002] d.h4 124.209701: sched_blocked_reason: pid=329 iowait=0 caller=worker_thread+0x378/0x470
<...>-2867 ( 1068) [002] d.s3 124.209763: sched_blocked_reason: pid=8454 iowait=1 caller=__filemap_fdatawait_range+0xa0/0x104
<...>-2867 ( 1068) [002] d.s4 124.209803: sched_blocked_reason: pid=869 iowait=0 caller=worker_thread+0x378/0x470
ScreenDecoratio-2364 ( 1867) [002] d.s3 124.209973: sched_blocked_reason: pid=8454 iowait=1 caller=f2fs_wait_on_page_writeback+0x84/0xcc
ScreenDecoratio-2364 ( 1867) [002] d.s4 124.209986: sched_blocked_reason: pid=869 iowait=0 caller=worker_thread+0x378/0x470
<...>-329 ( 329) [000] d..3 124.210435: sched_blocked_reason: pid=538 iowait=0 caller=worker_thread+0x378/0x470
kworker/u16:13-538 ( 538) [007] d..3 124.210450: sched_blocked_reason: pid=6 iowait=0 caller=worker_thread+0x378/0x470
Bug: 144961676
Bug: 144713689
Change-Id: I30397400c5d056946bdfbc86c9ef5f4d7e6c98fe
Signed-off-by: Minchan Kim <minchan@google.com>
Signed-off-by: Jimmy Shiu <jimmyshiu@google.com>
Bug: 152417756
(cherry picked from commit 8a780c0eb6800cecbfce21362c2d2a3bcab14e1c)
Signed-off-by: Saravana Kannan <saravanak@google.com>
|
||
|
Masami Hiramatsu
|
52f1c4257c |
ftrace/kprobe: Show the maxactive number on kprobe_events
[ Upstream commit |
||
|
Eric Biggers
|
2a87b491b7 |
kmod: make request_module() return an error when autoloading is disabled
commit
|
||
|
Zhenzhong Duan
|
6209e0981b |
x86/speculation: Remove redundant arch_smt_update() invocation
commit |
||
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Eric W. Biederman
|
a2a1be2de7 |
signal: Extend exec_id to 64bits
commit
|
||
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Boqun Feng
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c6090fe788 |
locking/lockdep: Avoid recursion in lockdep_count_{for,back}ward_deps()
[ Upstream commit
|
||
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Alexander Sverdlin
|
1b16ddb28b |
genirq/irqdomain: Check pointer in irq_domain_alloc_irqs_hierarchy()
[ Upstream commit
|
||
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Michael Wang
|
2851621747 |
sched: Avoid scale real weight down to zero
[ Upstream commit
|
||
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Aaro Koskinen
|
4a853c72f4 |
UPSTREAM: GKI: panic/reboot: allow specifying reboot_mode for panic only
Allow specifying reboot_mode for panic only. This is needed on systems
where ramoops is used to store panic logs, and user wants to use warm
reset to preserve those, while still having cold reset on normal
reboots.
Link: http://lkml.kernel.org/r/20190322004735.27702-1-aaro.koskinen@iki.fi
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit
|
||
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Mark Salyzyn
|
a6a25a9d07 |
ANDROID: GKI: qcom: Fix compile issue when setting msm_lmh_dcvs as a module
Partial cherry picked from commit 5cb59eb5283f6f5a900c3c4971f7efbd83b7e43a
("qcom: Fix compile issue when setting msm_lmh_dcvs as a module")
adjusted: kernel/trace/power-traces.c
skipped: drivers/thermal/qcom/lmh_dbg.h
drivers/thermal/qcom/msm_lmh_dcvs.c
Export the trace symbol -- clock_set_rate -- for the msm_lmh_dcvs
driver.
Signed-off-by: Will McVicker <willmcvicker@google.com>
Change-Id: Ic68bc07997d73ba55f9ba7deff7dc7eef320e4bf
(cherry picked from commit 5cb59eb5283f6f5a900c3c4971f7efbd83b7e43a)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 154153737
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||
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Masahiro Yamada
|
9cd9f31cf2 |
UPSTREAM: kheaders: include only headers into kheaders_data.tar.xz
Currently, kheaders_data.tar.xz contains some build scripts as well as
headers. None of them is needed in the header archive.
For ARCH=x86, this commit excludes the following from the archive:
arch/x86/include/asm/Kbuild
arch/x86/include/uapi/asm/Kbuild
include/asm-generic/Kbuild
include/config/auto.conf
include/config/kernel.release
include/config/tristate.conf
include/uapi/asm-generic/Kbuild
include/uapi/Kbuild
kernel/gen_kheaders.sh
This change is actually motivated for the planned header compile-testing
because it will generate more build artifacts, which should not be
included in the archive.
Change-Id: I688e041842740216cace0373ca9f358bc7704809
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
(cherry picked from commit
|
||
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Masahiro Yamada
|
667cbc0e2a |
UPSTREAM: kheaders: remove meaningless -R option of 'ls'
The -R option of 'ls' is supposed to be used for directories.
-R, --recursive
list subdirectories recursively
Since 'find ... -type f' only matches to regular files, we do not
expect directories passed to the 'ls' command here.
Giving -R is harmless at least, but unneeded.
Change-Id: I73588f18e40824ccecc4149fbc467015b5c5e142
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
(cherry picked from commit
|
||
|
Saravana Kannan
|
cb2fe03684 |
ANDROID: GKI: Add vendor fields to root_domain
This is needed for ABI compatibility Bug: 153905799 Change-Id: Idd802feeb29652e9f575faff8a0770af5697eedb Signed-off-by: Saravana Kannan <saravanak@google.com> |
||
|
Mark Salyzyn
|
35be952ae0 |
Revert "BACKPORT: mm: reclaim small amounts of memory when an external fragmentation event occurs"
This reverts commit
|
||
|
Will McVicker
|
56ebfff5eb |
ANDROID: GKI: panic: add vendor callback function in panic()
Each vendor might want to implement some debug code when the kernel panics. So, add a vendor_panic_cb callback for vendors to implement. Bug: 149258398 Test: compile Change-Id: I7a374b0089f72c2511db6fe3b8cdd18f41a1eb6c Signed-off-by: Saravana Kannan <saravanak@google.com> (cherry picked from commit 911d9c70c2c50b0383ed0b652bb84ca8832e4a2b) Signed-off-by: Will McVicker <willmcvicker@google.com> [willmcvicker: only pulled in the ABI diffs] |
||
|
Will McVicker
|
0a2394dc5a |
ANDROID: GKI: export symbols from abi_gki_aarch64_qcom_whitelist
Run the script, $ ../build/gki/add_EXPORT_SYMBOL_GPL < abi_gki_aarch64_qcom_whitelist This will export all the required symbols that are in this kernel. Signed-off-by: Will McVicker <willmcvicker@google.com> Bug: 153886473 Test: compile Change-Id: I703509d75104cd86f472481346e3efbd235121ab |
||
|
Greg Kroah-Hartman
|
2d2af525a7 |
This is the 4.19.115 stable release
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Merge 4.19.115 into android-4.19
Changes in 4.19.115
ipv4: fix a RCU-list lock in fib_triestat_seq_show
net, ip_tunnel: fix interface lookup with no key
sctp: fix refcount bug in sctp_wfree
sctp: fix possibly using a bad saddr with a given dst
nvme-rdma: Avoid double freeing of async event data
drm/amd/display: Add link_rate quirk for Apple 15" MBP 2017
drm/bochs: downgrade pci_request_region failure from error to warning
initramfs: restore default compression behavior
drm/amdgpu: fix typo for vcn1 idle check
tools/power turbostat: Fix gcc build warnings
tools/power turbostat: Fix missing SYS_LPI counter on some Chromebooks
drm/etnaviv: replace MMU flush marker with flush sequence
media: rc: IR signal for Panasonic air conditioner too long
misc: rtsx: set correct pcr_ops for rts522A
misc: pci_endpoint_test: Fix to support > 10 pci-endpoint-test devices
misc: pci_endpoint_test: Avoid using module parameter to determine irqtype
coresight: do not use the BIT() macro in the UAPI header
mei: me: add cedar fork device ids
extcon: axp288: Add wakeup support
power: supply: axp288_charger: Add special handling for HP Pavilion x2 10
ALSA: hda/ca0132 - Add Recon3Di quirk to handle integrated sound on EVGA X99 Classified motherboard
rxrpc: Fix sendmsg(MSG_WAITALL) handling
net: Fix Tx hash bound checking
padata: always acquire cpu_hotplug_lock before pinst->lock
bitops: protect variables in set_mask_bits() macro
include/linux/notifier.h: SRCU: fix ctags
mm: mempolicy: require at least one nodeid for MPOL_PREFERRED
ipv6: don't auto-add link-local address to lag ports
net: dsa: bcm_sf2: Do not register slave MDIO bus with OF
net: dsa: bcm_sf2: Ensure correct sub-node is parsed
net: phy: micrel: kszphy_resume(): add delay after genphy_resume() before accessing PHY registers
net: stmmac: dwmac1000: fix out-of-bounds mac address reg setting
slcan: Don't transmit uninitialized stack data in padding
mlxsw: spectrum_flower: Do not stop at FLOW_ACTION_VLAN_MANGLE
random: always use batched entropy for get_random_u{32,64}
usb: dwc3: gadget: Wrap around when skip TRBs
tools/accounting/getdelays.c: fix netlink attribute length
hwrng: imx-rngc - fix an error path
ASoC: jz4740-i2s: Fix divider written at incorrect offset in register
IB/hfi1: Call kobject_put() when kobject_init_and_add() fails
IB/hfi1: Fix memory leaks in sysfs registration and unregistration
ceph: remove the extra slashes in the server path
ceph: canonicalize server path in place
RDMA/ucma: Put a lock around every call to the rdma_cm layer
RDMA/cma: Teach lockdep about the order of rtnl and lock
Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl
RDMA/cm: Update num_paths in cma_resolve_iboe_route error flow
fbcon: fix null-ptr-deref in fbcon_switch
clk: qcom: rcg: Return failure for RCG update
drm/msm: stop abusing dma_map/unmap for cache
arm64: Fix size of __early_cpu_boot_status
rpmsg: glink: Remove chunk size word align warning
usb: dwc3: don't set gadget->is_otg flag
drm_dp_mst_topology: fix broken drm_dp_sideband_parse_remote_dpcd_read()
drm/msm: Use the correct dma_sync calls in msm_gem
Linux 4.19.115
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Idc17d8aa387491167efc60df0a9764b82e4344da
|
||
|
Daniel Jordan
|
bf498d6b8d |
padata: always acquire cpu_hotplug_lock before pinst->lock
commit |
||
|
Tri Vo
|
e64d8dcc68 |
ANDROID: GKI: kernel/dma, mm/cma: Export symbols needed by vendor modules
This allows them to work with a GKI kernel. Bug: 140651649 Bug: 140651863 Change-Id: I41ae14d90df31d552b2a0eab89a20d7ba8a9243d Signed-off-by: Tri Vo <trong@google.com> [saravanak partial cherry-pick and dropped a ton of changes] Signed-off-by: Saravana Kannan <saravanak@google.com> |
||
|
Saravana Kannan
|
61a3356ad1 |
ANDROID: GKI: Add stub __cpu_isolated_mask symbol
Some vendor modules might want to keep track of isolated CPUs. Add a stub symbol that never isolates any CPU. Bug: 149816871 Signed-off-by: Saravana Kannan <saravanak@google.com> Change-Id: Ia494314168e94d72b0c1e8b786c150b9403dbf1a |
||
|
Quentin Perret
|
eead51495c |
ANDROID: GKI: sched: stub sched_isolate symbols
These are needed to let modules load during compliance testing, but the underlying core-isolation feature is not necessary for android-common. Bug: 149816871 Test: compiled, checked abi diff for missing sched_*isolate* symbols Signed-off-by: Quentin Perret <qperret@google.com> Change-Id: Iaece1e98f821c50f2497b4a47b60714f49272750 |
||
|
Kelly Rossmoyer
|
e7b509cf04 |
ANDROID: power: wakeup_reason: wake reason enhancements
These changes build upon the existing Android kernel wakeup reason code to: * improve the positioning of suspend abort logging calls in suspend flow * add logging of abnormal wakeup reasons like unexpected HW IRQs and IRQs configured as both wake-enabled and no-suspend * add support for capturing deferred-processing threaded nested IRQs as wakeup reasons rather than their synchronously-processed parents Bug: 150970830 Bug: 140217217 Signed-off-by: Kelly Rossmoyer <krossmo@google.com> Change-Id: I903b811a0fe11a605a25815c3a341668a23de700 |
||
|
Lina Iyer
|
723feab600 |
ANDROID: GKI: QoS: Enhance framework to support cpu/irq specific QoS requests
QoS request for CPU_DMA_LATENCY can be better optimized if the request can be set only for the required cpus and not all cpus. This helps save power on other cores, while still gauranteeing the quality of service. Enhance the QoS constraints data structures to support target value for each core. Requests specify if the QoS is applicable to all cores (default) or to a selective subset of the cores or to a core(s), that the IRQ is affine to. QoS requests that need to track an IRQ can be set to apply only on the cpus to which the IRQ's smp_affinity attribute is set to. The QoS framework will automatically track IRQ migration between the cores. The QoS is updated to be applied only to the core(s) that the IRQ has been migrated to. Idle and interested drivers can request a PM QoS value for a constraint across all cpus, or a specific cpu or a set of cpus. Separate APIs have been added to request for individual cpu or a cpumask. The default behaviour of PM QoS is maintained i.e, requests that do not specify a type of the request will continue to be effected on all cores. Requests that want to specify an affinity of cpu(s) or an irq, can modify the PM QoS request data structures by specifying the type of the request and either the mask of the cpus or the IRQ number depending on the type. Updating the request does not reset the type of the request. The userspace sysfs interface does not support CPU/IRQ affinity. Signed-off-by: Lina Iyer <ilina@codeaurora.org> (cherry picked from commit 16cafdb44fb3a66a7d06936d775efe483ad62b7d) Bug: 153463922 Test: build Signed-off-by: Suren Baghdasaryan <surenb@google.com> Change-Id: I1aad836a985fd303f2254fe607bb909a6b720dd5 |
||
|
Eric Biggers
|
a898a4764c |
FROMLIST: kmod: make request_module() return an error when autoloading is disabled
It's long been possible to disable kernel module autoloading completely
(while still allowing manual module insertion) by setting
/proc/sys/kernel/modprobe to the empty string. This can be preferable
to setting it to a nonexistent file since it avoids the overhead of an
attempted execve(), avoids potential deadlocks, and avoids the call to
security_kernel_module_request() and thus on SELinux-based systems
eliminates the need to write SELinux rules to dontaudit module_request.
However, when module autoloading is disabled in this way,
request_module() returns 0. This is broken because callers expect 0 to
mean that the module was successfully loaded.
Apparently this was never noticed because this method of disabling
module autoloading isn't used much, and also most callers don't use the
return value of request_module() since it's always necessary to check
whether the module registered its functionality or not anyway. But
improperly returning 0 can indeed confuse a few callers, for example
get_fs_type() in fs/filesystems.c where it causes a WARNING to be hit:
if (!fs && (request_module("fs-%.*s", len, name) == 0)) {
fs = __get_fs_type(name, len);
WARN_ONCE(!fs, "request_module fs-%.*s succeeded, but still no fs?\n", len, name);
}
This is easily reproduced with:
echo > /proc/sys/kernel/modprobe
mount -t NONEXISTENT none /
It causes:
request_module fs-NONEXISTENT succeeded, but still no fs?
WARNING: CPU: 1 PID: 1106 at fs/filesystems.c:275 get_fs_type+0xd6/0xf0
[...]
This should actually use pr_warn_once() rather than WARN_ONCE(), since
it's also user-reachable if userspace immediately unloads the module.
Regardless, request_module() should correctly return an error when it
fails. So let's make it return -ENOENT, which matches the error when
the modprobe binary doesn't exist.
I've also sent patches to document and test this case.
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Jessica Yu <jeyu@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jeff Vander Stoep <jeffv@google.com>
Cc: NeilBrown <neilb@suse.com>
Link: https://lore.kernel.org/r/20200318230515.171692-2-ebiggers@kernel.org
Bug: 151589316
Change-Id: I5e04f85e12a4f85da23e53bc11da1ade565abcd6
Signed-off-by: Eric Biggers <ebiggers@google.com>
|
||
|
Alistair Delva
|
182b38fc31 |
ANDROID: Fix wq fp check for CFI builds
A previous change added a test on the wrong config flag; rename CFI to CFI_CLANG. Bug: 145210207 Change-Id: Id8aead2eb2c75ad6442d10165f6cb86ccfb9c2f9 Signed-off-by: Alistair Delva <adelva@google.com> |
||
|
Greg Kroah-Hartman
|
6ca29140d7 |
This is the 4.19.114 stable release
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Merge 4.19.114 into android-4.19
Changes in 4.19.114
mmc: core: Allow host controllers to require R1B for CMD6
mmc: core: Respect MMC_CAP_NEED_RSP_BUSY for erase/trim/discard
mmc: core: Respect MMC_CAP_NEED_RSP_BUSY for eMMC sleep command
mmc: sdhci-omap: Fix busy detection by enabling MMC_CAP_NEED_RSP_BUSY
mmc: sdhci-tegra: Fix busy detection by enabling MMC_CAP_NEED_RSP_BUSY
Revert "drm/dp_mst: Skip validating ports during destruction, just ref"
geneve: move debug check after netdev unregister
hsr: fix general protection fault in hsr_addr_is_self()
macsec: restrict to ethernet devices
mlxsw: spectrum_mr: Fix list iteration in error path
net: cbs: Fix software cbs to consider packet sending time
net: dsa: Fix duplicate frames flooded by learning
net: mvneta: Fix the case where the last poll did not process all rx
net/packet: tpacket_rcv: avoid a producer race condition
net: qmi_wwan: add support for ASKEY WWHC050
net_sched: cls_route: remove the right filter from hashtable
net_sched: keep alloc_hash updated after hash allocation
net: stmmac: dwmac-rk: fix error path in rk_gmac_probe
NFC: fdp: Fix a signedness bug in fdp_nci_send_patch()
slcan: not call free_netdev before rtnl_unlock in slcan_open
bnxt_en: fix memory leaks in bnxt_dcbnl_ieee_getets()
bnxt_en: Reset rings if ring reservation fails during open()
net: ip_gre: Separate ERSPAN newlink / changelink callbacks
net: ip_gre: Accept IFLA_INFO_DATA-less configuration
net: dsa: mt7530: Change the LINK bit to reflect the link status
net: phy: mdio-mux-bcm-iproc: check clk_prepare_enable() return value
r8169: re-enable MSI on RTL8168c
tcp: repair: fix TCP_QUEUE_SEQ implementation
vxlan: check return value of gro_cells_init()
hsr: use rcu_read_lock() in hsr_get_node_{list/status}()
hsr: add restart routine into hsr_get_node_list()
hsr: set .netnsok flag
cgroup-v1: cgroup_pidlist_next should update position index
nfs: add minor version to nfs_server_key for fscache
cpupower: avoid multiple definition with gcc -fno-common
drivers/of/of_mdio.c:fix of_mdiobus_register()
cgroup1: don't call release_agent when it is ""
dt-bindings: net: FMan erratum A050385
arm64: dts: ls1043a: FMan erratum A050385
fsl/fman: detect FMan erratum A050385
s390/qeth: handle error when backing RX buffer
scsi: ipr: Fix softlockup when rescanning devices in petitboot
mac80211: Do not send mesh HWMP PREQ if HWMP is disabled
dpaa_eth: Remove unnecessary boolean expression in dpaa_get_headroom
sxgbe: Fix off by one in samsung driver strncpy size arg
ftrace/x86: Anotate text_mutex split between ftrace_arch_code_modify_post_process() and ftrace_arch_code_modify_prepare()
i2c: hix5hd2: add missed clk_disable_unprepare in remove
Input: raydium_i2c_ts - fix error codes in raydium_i2c_boot_trigger()
Input: synaptics - enable RMI on HP Envy 13-ad105ng
Input: avoid BIT() macro usage in the serio.h UAPI header
ceph: check POOL_FLAG_FULL/NEARFULL in addition to OSDMAP_FULL/NEARFULL
ARM: dts: dra7: Add bus_dma_limit for L3 bus
ARM: dts: omap5: Add bus_dma_limit for L3 bus
perf probe: Do not depend on dwfl_module_addrsym()
tools: Let O= makes handle a relative path with -C option
scripts/dtc: Remove redundant YYLOC global declaration
scsi: sd: Fix optimal I/O size for devices that change reported values
nl80211: fix NL80211_ATTR_CHANNEL_WIDTH attribute type
mac80211: mark station unauthorized before key removal
gpiolib: acpi: Correct comment for HP x2 10 honor_wakeup quirk
gpiolib: acpi: Rework honor_wakeup option into an ignore_wake option
gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 BYT + AXP288 model
RDMA/core: Ensure security pkey modify is not lost
genirq: Fix reference leaks on irq affinity notifiers
xfrm: handle NETDEV_UNREGISTER for xfrm device
vti[6]: fix packet tx through bpf_redirect() in XinY cases
RDMA/mlx5: Block delay drop to unprivileged users
xfrm: fix uctx len check in verify_sec_ctx_len
xfrm: add the missing verify_sec_ctx_len check in xfrm_add_acquire
xfrm: policy: Fix doulbe free in xfrm_policy_timer
afs: Fix some tracing details
netfilter: flowtable: reload ip{v6}h in nf_flow_tuple_ip{v6}
netfilter: nft_fwd_netdev: validate family and chain type
bpf/btf: Fix BTF verification of enum members in struct/union
vti6: Fix memory leak of skb if input policy check fails
Revert "r8169: check that Realtek PHY driver module is loaded"
mac80211: add option for setting control flags
mac80211: set IEEE80211_TX_CTRL_PORT_CTRL_PROTO for nl80211 TX
USB: serial: option: add support for ASKEY WWHC050
USB: serial: option: add BroadMobi BM806U
USB: serial: option: add Wistron Neweb D19Q1
USB: cdc-acm: restore capability check order
USB: serial: io_edgeport: fix slab-out-of-bounds read in edge_interrupt_callback
usb: musb: fix crash with highmen PIO and usbmon
media: flexcop-usb: fix endpoint sanity check
media: usbtv: fix control-message timeouts
staging: rtl8188eu: Add ASUS USB-N10 Nano B1 to device table
staging: wlan-ng: fix ODEBUG bug in prism2sta_disconnect_usb
staging: wlan-ng: fix use-after-free Read in hfa384x_usbin_callback
ahci: Add Intel Comet Lake H RAID PCI ID
libfs: fix infoleak in simple_attr_read()
media: ov519: add missing endpoint sanity checks
media: dib0700: fix rc endpoint lookup
media: stv06xx: add missing descriptor sanity checks
media: xirlink_cit: add missing descriptor sanity checks
mac80211: Check port authorization in the ieee80211_tx_dequeue() case
mac80211: fix authentication with iwlwifi/mvm
vt: selection, introduce vc_is_sel
vt: ioctl, switch VT_IS_IN_USE and VT_BUSY to inlines
vt: switch vt_dont_switch to bool
vt: vt_ioctl: remove unnecessary console allocation checks
vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
vt: vt_ioctl: fix use-after-free in vt_in_use()
platform/x86: pmc_atom: Add Lex 2I385SW to critclk_systems DMI table
bpf: Explicitly memset the bpf_attr structure
bpf: Explicitly memset some bpf info structures declared on the stack
gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 CHT + AXP288 model
net: ks8851-ml: Fix IO operations, again
arm64: alternative: fix build with clang integrated assembler
perf map: Fix off by one in strncpy() size argument
ARM: dts: oxnas: Fix clear-mask property
ARM: bcm2835-rpi-zero-w: Add missing pinctrl name
ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage
ARM: dts: N900: fix onenand timings
arm64: dts: ls1043a-rdb: correct RGMII delay mode to rgmii-id
arm64: dts: ls1046ardb: set RGMII interfaces to RGMII_ID mode
Linux 4.19.114
Change-Id: Icc165d2e49aba750e1b5a8856d9774c149e59ce7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Saravana Kannan
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1d887ea976 |
ANDROID: GKI: kernel: Export task and IRQ affinity symbols
A module uses these symbols. So, export them to allow loading of that module. Bug: 149816871 Bug: 149256712 Signed-off-by: Saravana Kannan <saravanak@google.com> Change-Id: I949da5d091894ea3d79a6c9244bfc2f8426eee71 (cherry picked from commit dc928ba3bdfb4527e0ffca7c491d946a02e5bd11) [ qperret: made changes to commit message for AOSP compliance ] Signed-off-by: Quentin Perret <qperret@google.com> |
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Greg Kroah-Hartman
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638d8c748e |
bpf: Explicitly memset some bpf info structures declared on the stack
commit
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Greg Kroah-Hartman
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aca6a9b098 |
bpf: Explicitly memset the bpf_attr structure
commit
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Yoshiki Komachi
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fb957d1003 |
bpf/btf: Fix BTF verification of enum members in struct/union
commit |
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Edward Cree
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277db1b634 |
genirq: Fix reference leaks on irq affinity notifiers
commit |
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Tycho Andersen
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5a8a69435d |
cgroup1: don't call release_agent when it is ""
[ Upstream commit |
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Vasily Averin
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967e97461e |
cgroup-v1: cgroup_pidlist_next should update position index
[ Upstream commit
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Qais Yousef
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b38208f02b |
FROMGIT: sched/rt: cpupri_find: Trigger a full search as fallback
If we failed to find a fitting CPU, in cpupri_find(), we only fallback
to the level we found a hit at.
But Steve suggested to fallback to a second full scan instead as this
could be a better effort.
https://lore.kernel.org/lkml/20200304135404.146c56eb@gandalf.local.home/
We trigger the 2nd search unconditionally since the argument about
triggering a full search is that the recorded fall back level might have
become empty by then. Which means storing any data about what happened
would be meaningless and stale.
I had a humble try at timing it and it seemed okay for the small 6 CPUs
system I was running on
https://lore.kernel.org/lkml/20200305124324.42x6ehjxbnjkklnh@e107158-lin.cambridge.arm.com/
On large system this second full scan could be expensive. But there are
no users outside capacity awareness for this fitness function at the
moment. Heterogeneous systems tend to be small with 8cores in total.
Bug: 120440300
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lkml.kernel.org/r/20200310142219.syxzn5ljpdxqtbgx@e107158-lin.cambridge.arm.com
(cherry picked from commit
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Qais Yousef
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32061ff6b5 |
FROMGIT: sched/rt: Remove unnecessary push for unfit tasks
In task_woken_rt() and switched_to_rto() we try trigger push-pull if the task is unfit. But the logic is found lacking because if the task was the only one running on the CPU, then rt_rq is not in overloaded state and won't trigger a push. The necessity of this logic was under a debate as well, a summary of the discussion can be found in the following thread: https://lore.kernel.org/lkml/20200226160247.iqvdakiqbakk2llz@e107158-lin.cambridge.arm.com/ Remove the logic for now until a better approach is agreed upon. Bug: 120440300 Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Fixes: |
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Qais Yousef
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8efce17187 |
BACKPORT: FROMGIT: sched/rt: Allow pulling unfitting task
When implemented RT Capacity Awareness; the logic was done such that if a task was running on a fitting CPU, then it was sticky and we would try our best to keep it there. But as Steve suggested, to adhere to the strict priority rules of RT class; allow pulling an RT task to unfitting CPU to ensure it gets a chance to run ASAP. Bug: 120440300 LINK: https://lore.kernel.org/lkml/20200203111451.0d1da58f@oasis.local.home/ Suggested-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Fixes: |
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Qais Yousef
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2bf4a52c7a |
FROMGIT: sched/rt: Optimize cpupri_find() on non-heterogenous systems
By introducing a new cpupri_find_fitness() function that takes the fitness_fn as an argument and only called when asym_system static key is enabled. cpupri_find() is now a wrapper function that calls cpupri_find_fitness() passing NULL as a fitness_fn, hence disabling the logic that handles fitness by default. Bug: 120440300 LINK: https://lore.kernel.org/lkml/c0772fca-0a4b-c88d-fdf2-5715fcf8447b@arm.com/ Reported-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Fixes: |
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Qais Yousef
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27d84b63b0 |
FROMGIT: sched/rt: Re-instate old behavior in select_task_rq_rt()
When RT Capacity Aware support was added, the logic in select_task_rq_rt was modified to force a search for a fitting CPU if the task currently doesn't run on one. But if the search failed, and the search was only triggered to fulfill the fitness request; we could end up selecting a new CPU unnecessarily. Fix this and re-instate the original behavior by ensuring we bail out in that case. This behavior change only affected asymmetric systems that are using util_clamp to implement capacity aware. None asymmetric systems weren't affected. Bug: 120440300 LINK: https://lore.kernel.org/lkml/20200218041620.GD28029@codeaurora.org/ Reported-by: Pavan Kondeti <pkondeti@codeaurora.org> Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Fixes: |
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Qais Yousef
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ca79ac3cba |
BACKPORT: FROMGIT: sched/rt: cpupri_find: Implement fallback mechanism for !fit case
When searching for the best lowest_mask with a fitness_fn passed, make sure we record the lowest_level that returns a valid lowest_mask so that we can use that as a fallback in case we fail to find a fitting CPU at all levels. The intention in the original patch was not to allow a down migration to unfitting CPU. But this missed the case where we are already running on unfitting one. With this change now RT tasks can still move between unfitting CPUs when they're already running on such CPU. And as Steve suggested; to adhere to the strict priority rules of RT, if a task is already running on a fitting CPU but due to priority it can't run on it, allow it to downmigrate to unfitting CPU so it can run. Bug: 120440300 Reported-by: Pavan Kondeti <pkondeti@codeaurora.org> Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Fixes: |
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Greg Kroah-Hartman
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248555d63c |
This is the 4.19.113 stable release
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZH8oZUiU471FcZm+ONu9yGCSaT4FAl57BzQACgkQONu9yGCS aT4sXg/9ERHCo0CNoF+KpzfPcH718NEzICFa5pHVE5OJnjGQ+W+AUx4ERkU9gMrk W4N+zAFH+v6D/ejNVUPKVB+XMXeZo+QXVBfLme/N4VlrxaSeA2pMxiRrXVY1UX3/ mb6eShhpBn5q942c8QkzcQJbA1TUKnrqGuqq6rfDQTnjm6OcU/PbPHWqOBVIuOVk Op9VSCcTC41N8sCdsjg411fRBue24+zRU05mw4leeqh0f/XaLjZ9xJyEAuW+6zIz Vu/8c/vzb4j9TPBg0FaEzgDrR7TUwde7F/O9eejY/GWdQngyfPxjOGpKdakrQOOA qRnPv0Fou8hFlKZWFKJhAYcPpTc7KP/y9o1aUsNDrIeA00t9R3nDKng+ewW09hfk K75Znyw6yrWlc5nHotd1pG2NEEeDvSKdXVbyarnaTwqunla9WAdQ0IDFwdaiTklt CfrJ+AJcd5Smnuo+JfljqF4oF88UJSzhI5hp0Zi9w0JROfbPOYFK0JM2DeEOE27J IFm1Z5lvTj4VEJmyLL7CvJSM23yjK5todlG3+zFJt2ZncY2Kw1eHEOIvIwbBtxBp 2AWRkco+hsf+GToJNQopxGYyTjMI3NDy/FocAVIJ8wMSEWZkyS8NkIlgjPjTC2dk ygJ0ZDDiPU0pKouZofQhzGR/Esv/phjWvTLPerFkKIIuiaG+uUo= =1W2f -----END PGP SIGNATURE----- Merge 4.19.113 into android-4.19 Changes in 4.19.113 drm/mediatek: Find the cursor plane instead of hard coding it spi: qup: call spi_qup_pm_resume_runtime before suspending powerpc: Include .BTF section ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes spi: pxa2xx: Add CS control clock quirk spi/zynqmp: remove entry that causes a cs glitch drm/exynos: dsi: propagate error value and silence meaningless warning drm/exynos: dsi: fix workaround for the legacy clock name drivers/perf: arm_pmu_acpi: Fix incorrect checking of gicc pointer altera-stapl: altera_get_note: prevent write beyond end of 'key' dm bio record: save/restore bi_end_io and bi_integrity dm integrity: use dm_bio_record and dm_bio_restore riscv: avoid the PIC offset of static percpu data in module beyond 2G limits drm/amd/display: Clear link settings on MST disable connector drm/amd/display: fix dcc swath size calculations on dcn1 xenbus: req->body should be updated before req->state xenbus: req->err should be updated before req->state block, bfq: fix overwrite of bfq_group pointer in bfq_find_set_group() parse-maintainers: Mark as executable USB: Disable LPM on WD19's Realtek Hub usb: quirks: add NO_LPM quirk for RTL8153 based ethernet adapters USB: serial: option: add ME910G1 ECM composition 0x110b usb: host: xhci-plat: add a shutdown USB: serial: pl2303: add device-id for HP LD381 usb: xhci: apply XHCI_SUSPEND_DELAY to AMD XHCI controller 1022:145c ALSA: line6: Fix endless MIDI read loop ALSA: seq: virmidi: Fix running status after receiving sysex ALSA: seq: oss: Fix running status after receiving sysex ALSA: pcm: oss: Avoid plugin buffer overflow ALSA: pcm: oss: Remove WARNING from snd_pcm_plug_alloc() checks iio: st_sensors: remap SMO8840 to LIS2DH12 iio: trigger: stm32-timer: disable master mode when stopping iio: magnetometer: ak8974: Fix negative raw values in sysfs iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode mmc: rtsx_pci: Fix support for speed-modes that relies on tuning mmc: sdhci-of-at91: fix cd-gpios for SAMA5D2 staging: rtl8188eu: Add device id for MERCUSYS MW150US v2 staging: greybus: loopback_test: fix poll-mask build breakage staging/speakup: fix get_word non-space look-ahead intel_th: Fix user-visible error codes intel_th: pci: Add Elkhart Lake CPU support rtc: max8907: add missing select REGMAP_IRQ xhci: Do not open code __print_symbolic() in xhci trace events btrfs: fix log context list corruption after rename whiteout error drm/amd/amdgpu: Fix GPR read from debugfs (v2) drm/lease: fix WARNING in idr_destroy memcg: fix NULL pointer dereference in __mem_cgroup_usage_unregister_event mm: slub: be more careful about the double cmpxchg of freelist mm, slub: prevent kmalloc_node crashes and memory leaks page-flags: fix a crash at SetPageError(THP_SWAP) x86/mm: split vmalloc_sync_all() USB: cdc-acm: fix close_delay and closing_wait units in TIOCSSERIAL USB: cdc-acm: fix rounding error in TIOCSSERIAL iio: light: vcnl4000: update sampling periods for vcnl4200 kbuild: Disable -Wpointer-to-enum-cast futex: Fix inode life-time issue futex: Unbreak futex hashing Revert "vrf: mark skb for multicast or link-local as enslaved to VRF" Revert "ipv6: Fix handling of LLA with VRF and sockets bound to VRF" ALSA: hda/realtek: Fix pop noise on ALC225 arm64: smp: fix smp_send_stop() behaviour arm64: smp: fix crash_smp_send_stop() behaviour drm/bridge: dw-hdmi: fix AVI frame colorimetry staging: greybus: loopback_test: fix potential path truncation staging: greybus: loopback_test: fix potential path truncations Linux 4.19.113 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I90c48cd7189a964e59d199ecc0f32c0a68688ec5 |
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Thomas Gleixner
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17a8ca79a5 |
futex: Unbreak futex hashing
commit |