mirror of
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bfacf9cff5
35318 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Lukasz Luba
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9580671a65 |
UPSTREAM: PM: EM: Add a flag indicating units of power values in Energy Model
There are different platforms and devices which might use different scale
for the power values. Kernel sub-systems might need to check if all
Energy Model (EM) devices are using the same scale. Address that issue and
store the information inside EM for each device. Thanks to that they can
be easily compared and proper action triggered.
Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Quentin Perret <qperret@google.com>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit
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J. Avila
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bb41438152 |
ANDROID: sched/rt: Only enable RT sync for SMP targets
The rt sync wakeup support has a condition which relies on a field that
exists only when CONFIG_SMP is defined, causing a compilation issue.
Since sync wakeup has no real meaning on a non-SMP system, we can just
drop the CONFIG_RT_GROUP_SCHED part of the #ifdef.
Fixes:
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Rick Yiu
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f5998fbf2d |
ANDROID: sched: Add vendor hook for cpu_overutilized
Currently, cpu_overutilized uses the threshold 80% of cpu capacity, Add vendor hook so that vendor could define other values. Bug: 176722431 Signed-off-by: Rick Yiu <rickyiu@google.com> Change-Id: Ic10bd8ebb40f7321cfa10e33ac020e3347ca6550 (cherry picked from commit b199c6e8795791e008cfff6e214676857cd0651c) Signed-off-by: J. Avila <elavila@google.com> |
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Huang Yiwei
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ff96a0a256 |
ANDROID: timer: calc_index vendor hook adjustment
Move the calc_index vendor hook one line ahead to cover more use cases. Bug: 181296757 Signed-off-by: Huang Yiwei <hyiwei@codeaurora.org> Change-Id: I52231a3ccbe622021232c7a54354c5ac02cf3952 |
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Greg Kroah-Hartman
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e1a763aea5 |
This is the 5.10.19 stable release
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Merge 5.10.19 into android-5.10
Changes in 5.10.19
bpf: Fix truncation handling for mod32 dst reg wrt zero
HID: make arrays usage and value to be the same
RDMA: Lift ibdev_to_node from rds to common code
nvme-rdma: Use ibdev_to_node instead of dereferencing ->dma_device
USB: quirks: sort quirk entries
usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable
ceph: downgrade warning from mdsmap decode to debug
ntfs: check for valid standard information attribute
Bluetooth: btusb: Some Qualcomm Bluetooth adapters stop working
arm64: tegra: Add power-domain for Tegra210 HDA
hwmon: (dell-smm) Add XPS 15 L502X to fan control blacklist
KVM: x86: Zap the oldest MMU pages, not the newest
mm: unexport follow_pte_pmd
mm: simplify follow_pte{,pmd}
KVM: do not assume PTE is writable after follow_pfn
mm: provide a saner PTE walking API for modules
KVM: Use kvm_pfn_t for local PFN variable in hva_to_pfn_remapped()
drm/xlnx: fix kmemleak by sending vblank_event in atomic_disable
NET: usb: qmi_wwan: Adding support for Cinterion MV31
cxgb4: Add new T6 PCI device id 0x6092
cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath.
kbuild: fix CONFIG_TRIM_UNUSED_KSYMS build for ppc64
scripts/recordmcount.pl: support big endian for ARCH sh
Linux 5.10.19
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie460e26abc91311bcdd6b8484f5b42a7ffe1058f
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Daniel Borkmann
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3320bae8c1 |
bpf: Fix truncation handling for mod32 dst reg wrt zero
commit |
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Saravana Kannan
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97860deed3 |
UPSTREAM: irqdomain: Mark fwnodes when their irqdomain is added/removed
This allows fw_devlink to recognize irqdomain drivers that don't use the
device-driver model to initialize the device. fw_devlink will use this
information to make sure consumers of such irqdomain aren't indefinitely
blocked from probing, waiting for the irqdomain device to appear and
bind to a driver.
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210205222644.2357303-7-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit
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J. Avila
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da5f3cd378 |
ANDROID: sched/rt: Add support for rt sync wakeups
Some rt tasks undergo sync wakeup. Currently, these tasks will be placed on other, often sleeping or otherwise idle CPUs, which can lead to unnecessary power hits. Bug: 157906395 Change-Id: I48864d0847bbe4f7813c842032880ad3f3b8b06b Signed-off-by: J. Avila <elavila@google.com> |
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John Ogness
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ce6de43a54 |
UPSTREAM: printk: avoid prb_first_valid_seq() where possible
If message sizes average larger than expected (more than 32 characters), the data_ring will wrap before the desc_ring. Once the data_ring wraps, it will start invalidating descriptors. These invalid descriptors hang around until they are eventually recycled when the desc_ring wraps. Readers do not care about invalid descriptors, but they still need to iterate past them. If the average message size is much larger than 32 characters, then there will be many invalid descriptors preceding the valid descriptors. The function prb_first_valid_seq() always begins at the oldest descriptor and searches for the first valid descriptor. This can be rather expensive for the above scenario. And, in fact, because of its heavy usage in /dev/kmsg, there have been reports of long delays and even RCU stalls. For code that does not need to search from the oldest record, replace prb_first_valid_seq() usage with prb_read_valid_*() functions, which provide a start sequence number to search from. Fixes: |
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Will McVicker
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da2089a28a |
ANDROID: modules: introduce the MODULE_SCMVERSION config
Config MODULE_SCMVERSION introduces a new module attribute --
`scmversion` -- which can be used to identify a given module's SCM
version. This is very useful for developers that update their kernel
independently from their kernel modules or vice-versa since the SCM
version provided by UTS_RELEASE (`uname -r`) will now differ from the
module's vermagic attribute.
For example, we have a CI setup that tests new kernel changes on the
hikey960 and db845c devices without updating their kernel modules. When
these tests fail, we need to be able to identify the exact device
configuration the test was using. By including MODULE_SCMVERSION, we can
identify the exact kernel and modules' SCM versions for debugging the
failures.
Additionally, by exposing the SCM version via the sysfs node
/sys/module/MODULENAME/scmversion, one can also verify the SCM versions
of the modules loaded from the initramfs. Currently, modinfo can only
retrieve module attributes from the module's ko on disk and not from the
actual module that is loaded in RAM.
You can retrieve the SCM version in two ways,
1) By using modinfo:
> modinfo -F scmversion MODULENAME
2) By module sysfs node:
> cat /sys/module/MODULENAME/scmversion
Bug: 180027765
Link: https://lore.kernel.org/lkml/20210121213641.3477522-1-willmcvicker@google.com
Signed-off-by: Will McVicker <willmcvicker@google.com>
Change-Id: Ib7c72c72f95c4545adb7cd4e842729557039ce3a
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Stephen Dickey
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9d1a51d1b9 |
ANDROID: sched/pause: migrate_tasks crash
With DEQUEUE_SAVE and ENQUEUE_RESTORE set when calling deactivate_task and activate_task, the rt class scheduler will not dequeue/enqueue the task respectively - move_entity() returns false. This results in the same task being picked multiple times by __pick_migrate_task, which results in the same task getting a second initialization of next->percpu_kthread_node, corrupting the list and causing a crash with __list_add_valid. Remove DEQUEUE_SAVE and ENQUEUE_RESTORE when holding back kthreads from being migrated, for the calls to activate/deactivate task, preventing the crash. Bug: 180893027 Change-Id: I3171c26a4f9415287feb5acfe933b4442ca05937 Signed-off-by: Stephen Dickey <dickey@codeaurora.org> |
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Pavankumar Kondeti
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7dddba0c69 |
ANDROID: sched: Exempt paused CPU from nohz idle balance
A CPU can be paused while it is idle with it's tick stopped. nohz_balance_exit_idle() should be called from the local CPU, so it can't be called during pause which can happen remotely. This results in paused CPU participating in the nohz idle balance, which should be avoided. This can be done by calling Fix this issue by calling nohz_balance_exit_idle() from the paused CPU when it exits and enters idle again. This lazy approach avoids waking the CPU from idle during pause. Bug: 180530906 Change-Id: Ia2dfd9c9cac9b0f37c55a9256b9d5f3141ca0421 Signed-off-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com> |
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Quentin Perret
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d498075b65 |
ANDROID: sched: time: Export symbols needed for schedutil module
Export symbols needed to allow building a schedutil-based vendor module
with GKI.
This is a small price to pay to give vendors the flexibility they need,
and avoids littering cpufreq_schedutil.c with many vendor hooks.
Bug: 170511085
Signed-off-by: Quentin Perret <qperret@google.com>
Change-Id: I8ff8bdb32df5d47124236819efba881c1a2a538d
(cherry picked from commit 34cd6916744b8b2d2107d2d5f10cbacb181e4f6c)
(cherry picked from commit
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Pavankumar Kondeti
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a56f081c5b |
ANDROID: sched: Add restricted vendor hooks in CFS scheduler
Add restricted vendor hooks in CFS scheduler class to allow customizations in vendor modules. Bug: 180668820 Change-Id: I69bd90e11220d7607b075a3aa687059deaa60439 Signed-off-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com> |
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Stephen Dickey
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9393bb52f8 |
ANDROID: cpuhp/aarch32: keep last 32bit cpu active
It is possible that all the 32 bit CPUs are paused in the system, which is not ideal for quickly launching 32 bit apps. Detect if a pause operation is about to pause the last 32 bit CPU, and prevent it from happening. Bug: 175896474 Change-Id: I21b4dad7ba9f3ef9be460137098e6fb2c0e336e6 Signed-off-by: Stephen Dickey <dickey@codeaurora.org> |
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Greg Kroah-Hartman
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b129c98dc6 |
Merge 5.10.17 into android12-5.10
Changes in 5.10.17 objtool: Fix seg fault with Clang non-section symbols Revert "dts: phy: add GPIO number and active state used for phy reset" gpio: mxs: GPIO_MXS should not default to y unconditionally gpio: ep93xx: fix BUG_ON port F usage gpio: ep93xx: Fix single irqchip with multi gpiochips tracing: Do not count ftrace events in top level enable output tracing: Check length before giving out the filter buffer drm/i915: Fix overlay frontbuffer tracking arm/xen: Don't probe xenbus as part of an early initcall cgroup: fix psi monitor for root cgroup Revert "drm/amd/display: Update NV1x SR latency values" drm/i915/tgl+: Make sure TypeC FIA is powered up when initializing it drm/dp_mst: Don't report ports connected if nothing is attached to them dmaengine: move channel device_node deletion to driver tmpfs: disallow CONFIG_TMPFS_INODE64 on s390 tmpfs: disallow CONFIG_TMPFS_INODE64 on alpha soc: ti: omap-prm: Fix boot time errors for rst_map_012 bits 0 and 1 arm64: dts: rockchip: Fix PCIe DT properties on rk3399 arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node platform/x86: hp-wmi: Disable tablet-mode reporting by default arm64: dts: rockchip: Disable display for NanoPi R2S ovl: perform vfs_getxattr() with mounter creds cap: fix conversions on getxattr ovl: skip getxattr of security labels scsi: lpfc: Fix EEH encountering oops with NVMe traffic x86/split_lock: Enable the split lock feature on another Alder Lake CPU nvme-pci: ignore the subsysem NQN on Phison E16 drm/amd/display: Fix DPCD translation for LTTPR AUX_RD_INTERVAL drm/amd/display: Add more Clock Sources to DCN2.1 drm/amd/display: Release DSC before acquiring drm/amd/display: Fix dc_sink kref count in emulated_link_detect drm/amd/display: Free atomic state after drm_atomic_commit drm/amd/display: Decrement refcount of dc_sink before reassignment riscv: virt_addr_valid must check the address belongs to linear mapping bfq-iosched: Revert "bfq: Fix computation of shallow depth" ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL kallsyms: fix nonconverging kallsyms table with lld ARM: ensure the signal page contains defined contents ARM: kexec: fix oops after TLB are invalidated ubsan: implement __ubsan_handle_alignment_assumption Revert "lib: Restrict cpumask_local_spread to houskeeping CPUs" x86/efi: Remove EFI PGD build time checks lkdtm: don't move ctors to .rodata KVM: x86: cleanup CR3 reserved bits checks cgroup-v1: add disabled controller check in cgroup1_parse_param() dmaengine: idxd: fix misc interrupt completion ath9k: fix build error with LEDS_CLASS=m mt76: dma: fix a possible memory leak in mt76_add_fragment() drm/vc4: hvs: Fix buffer overflow with the dlist handling dmaengine: idxd: check device state before issue command bpf: Unbreak BPF_PROG_TYPE_KPROBE when kprobe is called via do_int3 bpf: Check for integer overflow when using roundup_pow_of_two() netfilter: xt_recent: Fix attempt to update deleted entry selftests: netfilter: fix current year netfilter: nftables: fix possible UAF over chains from packet path in netns netfilter: flowtable: fix tcp and udp header checksum update xen/netback: avoid race in xenvif_rx_ring_slots_available() net: hdlc_x25: Return meaningful error code in x25_open net: ipa: set error code in gsi_channel_setup() hv_netvsc: Reset the RSC count if NVSP_STAT_FAIL in netvsc_receive() net: enetc: initialize the RFS and RSS memories selftests: txtimestamp: fix compilation issue net: stmmac: set TxQ mode back to DCB after disabling CBS ibmvnic: Clear failover_pending if unable to schedule netfilter: conntrack: skip identical origin tuple in same zone only scsi: scsi_debug: Fix a memory leak x86/build: Disable CET instrumentation in the kernel for 32-bit too net: dsa: felix: implement port flushing on .phylink_mac_link_down net: hns3: add a check for queue_id in hclge_reset_vf_queue() net: hns3: add a check for tqp_index in hclge_get_ring_chain_from_mbx() net: hns3: add a check for index in hclge_get_rss_key() firmware_loader: align .builtin_fw to 8 drm/sun4i: tcon: set sync polarity for tcon1 channel drm/sun4i: dw-hdmi: always set clock rate drm/sun4i: Fix H6 HDMI PHY configuration drm/sun4i: dw-hdmi: Fix max. frequency for H6 clk: sunxi-ng: mp: fix parent rate change flag check i2c: stm32f7: fix configuration of the digital filter h8300: fix PREEMPTION build, TI_PRE_COUNT undefined scripts: set proper OpenSSL include dir also for sign-file x86/pci: Create PCI/MSI irqdomain after x86_init.pci.arch_init() arm64: mte: Allow PTRACE_PEEKMTETAGS access to the zero page rxrpc: Fix clearance of Tx/Rx ring when releasing a call udp: fix skb_copy_and_csum_datagram with odd segment sizes net: dsa: call teardown method on probe failure cpufreq: ACPI: Extend frequency tables to cover boost frequencies cpufreq: ACPI: Update arch scale-invariance max perf ratio if CPPC is not there net: gro: do not keep too many GRO packets in napi->rx_list net: fix iteration for sctp transport seq_files net/vmw_vsock: fix NULL pointer dereference net/vmw_vsock: improve locking in vsock_connect_timeout() net: watchdog: hold device global xmit lock during tx disable bridge: mrp: Fix the usage of br_mrp_port_switchdev_set_state switchdev: mrp: Remove SWITCHDEV_ATTR_ID_MRP_PORT_STAT vsock/virtio: update credit only if socket is not closed vsock: fix locking in vsock_shutdown() net/rds: restrict iovecs length for RDS_CMSG_RDMA_ARGS net/qrtr: restrict user-controlled length in qrtr_tun_write_iter() ovl: expand warning in ovl_d_real() kcov, usb: only collect coverage from __usb_hcd_giveback_urb in softirq Linux 5.10.17 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Id0300681f52b51d3f466f1e66ec3a6c25f65f4d3 |
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Bui Quang Minh
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8032bf2af9 |
bpf: Check for integer overflow when using roundup_pow_of_two()
[ Upstream commit |
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Alexei Starovoitov
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52d29b4783 |
bpf: Unbreak BPF_PROG_TYPE_KPROBE when kprobe is called via do_int3
[ Upstream commit |
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Chen Zhou
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3e53d64e9a |
cgroup-v1: add disabled controller check in cgroup1_parse_param()
[ Upstream commit |
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Odin Ugedal
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e72a65802a |
cgroup: fix psi monitor for root cgroup
commit |
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Steven Rostedt (VMware)
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7c93d8cff5 |
tracing: Check length before giving out the filter buffer
commit |
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Steven Rostedt (VMware)
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a38c1ee166 |
tracing: Do not count ftrace events in top level enable output
commit |
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Sami Tolvanen
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56fec23950 |
ANDROID: cfi: switch to synchronize_rcu_expedited()
Use synchronize_rcu_expedited() to avoid RCU stalls when updating the shadow while loading modules. Bug: 178005287 Change-Id: I2a1235070bf8eb24fe4eabdc523a96c29adb04a1 Signed-off-by: Sami Tolvanen <samitolvanen@google.com> |
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Pavankumar Kondeti
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bcbc667b0a |
ANDROID: sched: Export max_load_balance_interval
Export max_load_balance_interval so that vendor modules can adjust the load balance interval. Bug: 180125905 Change-Id: I9e5572db92747d17f9f1f7cd97725bbb04fc0e32 Signed-off-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com> |
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Greg Kroah-Hartman
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a6310f1034 |
This is the 5.10.16 stable release
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Merge 5.10.16 into android12-5.10
Changes in 5.10.16
io_uring: simplify io_task_match()
io_uring: add a {task,files} pair matching helper
io_uring: don't iterate io_uring_cancel_files()
io_uring: pass files into kill timeouts/poll
io_uring: always batch cancel in *cancel_files()
io_uring: fix files cancellation
io_uring: account io_uring internal files as REQ_F_INFLIGHT
io_uring: if we see flush on exit, cancel related tasks
io_uring: fix __io_uring_files_cancel() with TASK_UNINTERRUPTIBLE
io_uring: replace inflight_wait with tctx->wait
io_uring: fix cancellation taking mutex while TASK_UNINTERRUPTIBLE
io_uring: fix flush cqring overflow list while TASK_INTERRUPTIBLE
io_uring: fix list corruption for splice file_get
io_uring: fix sqo ownership false positive warning
io_uring: reinforce cancel on flush during exit
io_uring: drop mm/files between task_work_submit
gpiolib: cdev: clear debounce period if line set to output
powerpc/64/signal: Fix regression in __kernel_sigtramp_rt64() semantics
af_key: relax availability checks for skb size calculation
regulator: core: avoid regulator_resolve_supply() race condition
ASoC: wm_adsp: Fix control name parsing for multi-fw
drm/nouveau/nvif: fix method count when pushing an array
mac80211: 160MHz with extended NSS BW in CSA
ASoC: Intel: Skylake: Zero snd_ctl_elem_value
chtls: Fix potential resource leak
pNFS/NFSv4: Try to return invalid layout in pnfs_layout_process()
pNFS/NFSv4: Improve rejection of out-of-order layouts
ALSA: hda: intel-dsp-config: add PCI id for TGL-H
ASoC: ak4458: correct reset polarity
ASoC: Intel: sof_sdw: set proper flags for Dell TGL-H SKU 0A5E
iwlwifi: mvm: skip power command when unbinding vif during CSA
iwlwifi: mvm: take mutex for calling iwl_mvm_get_sync_time()
iwlwifi: pcie: add a NULL check in iwl_pcie_txq_unmap
iwlwifi: pcie: fix context info memory leak
iwlwifi: mvm: invalidate IDs of internal stations at mvm start
iwlwifi: pcie: add rules to match Qu with Hr2
iwlwifi: mvm: guard against device removal in reprobe
iwlwifi: queue: bail out on invalid freeing
SUNRPC: Move simple_get_bytes and simple_get_netobj into private header
SUNRPC: Handle 0 length opaque XDR object data properly
i2c: mediatek: Move suspend and resume handling to NOIRQ phase
blk-cgroup: Use cond_resched() when destroy blkgs
regulator: Fix lockdep warning resolving supplies
bpf: Fix verifier jmp32 pruning decision logic
bpf: Fix 32 bit src register truncation on div/mod
bpf: Fix verifier jsgt branch analysis on max bound
drm/i915: Fix ICL MG PHY vswing handling
drm/i915: Skip vswing programming for TBT
nilfs2: make splice write available again
Revert "mm: memcontrol: avoid workload stalls when lowering memory.high"
squashfs: avoid out of bounds writes in decompressors
squashfs: add more sanity checks in id lookup
squashfs: add more sanity checks in inode lookup
squashfs: add more sanity checks in xattr id lookup
Linux 5.10.16
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie3d667eb0c90288b118c756a33c70c8ceb097405
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Daniel Borkmann
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67afdc7d95 |
bpf: Fix verifier jsgt branch analysis on max bound
commit |
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Daniel Borkmann
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1d16cc210f |
bpf: Fix 32 bit src register truncation on div/mod
commit |
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Daniel Borkmann
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569033c082 |
bpf: Fix verifier jmp32 pruning decision logic
commit |
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Dietmar Eggemann
|
f1be5e60c6 |
FROMGIT: sched/deadline: Reduce rq lock contention in dl_add_task_root_domain()
dl_add_task_root_domain() is called during sched domain rebuild:
rebuild_sched_domains_locked()
partition_and_rebuild_sched_domains()
rebuild_root_domains()
for all top_cpuset descendants:
update_tasks_root_domain()
for all tasks of cpuset:
dl_add_task_root_domain()
Change it so that only the task pi lock is taken to check if the task
has a SCHED_DEADLINE (DL) policy. In case that p is a DL task take the
rq lock as well to be able to safely de-reference root domain's DL
bandwidth structure.
Most of the tasks will have another policy (namely SCHED_NORMAL) and
can now bail without taking the rq lock.
One thing to note here: Even in case that there aren't any DL user
tasks, a slow frequency switching system with cpufreq gov schedutil has
a DL task (sugov) per frequency domain running which participates in DL
bandwidth management.
Bug: 174590586
(cherry picked from commit e6d97c38b59265499e94afb79eb5b2eb6c33edfb
git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core)
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Quentin Perret <qperret@google.com>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lkml.kernel.org/r/20210119083542.19856-1-dietmar.eggemann@arm.com
Change-Id: Ia28d47671c180e95c4a1b65e7aae99c7c0e9c72b
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||
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Greg Kroah-Hartman
|
1092f698e5 |
This is the 5.10.15 stable release
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AD2000 USB: serial: option: Adding support for Cinterion MV31 usb: host: xhci: mvebu: make USB 3.0 PHY optional for Armada 3720 USB: gadget: legacy: fix an error code in eth_bind() usb: gadget: aspeed: add missing of_node_put USB: usblp: don't call usb_set_interface if there's a single alt usb: renesas_usbhs: Clear pipe running flag in usbhs_pkt_pop() usb: dwc2: Fix endpoint direction check in ep_from_windex usb: dwc3: fix clock issue during resume in OTG mode usb: xhci-mtk: fix unreleased bandwidth data usb: xhci-mtk: skip dropping bandwidth of unchecked endpoints usb: xhci-mtk: break loop when find the endpoint to drop ARM: OMAP1: OSK: fix ohci-omap breakage arm64: dts: qcom: c630: keep both touchpad devices enabled Input: i8042 - unbreak Pegatron C15B arm64: dts: amlogic: meson-g12: Set FL-adj property value arm64: dts: rockchip: fix vopl iommu irq on px30 arm64: dts: rockchip: Use only supported PCIe link speed on Pinebook Pro ARM: dts: stm32: Fix polarity of the DH DRC02 uSD card detect ARM: dts: stm32: Connect card-detect signal on DHCOM ARM: dts: stm32: Disable WP on DHCOM uSD slot ARM: dts: stm32: Disable optional TSC2004 on DRC02 board ARM: dts: stm32: Fix GPIO hog flags on DHCOM DRC02 vdpa/mlx5: Fix memory key MTT population bpf, cgroup: Fix optlen WARN_ON_ONCE toctou bpf, cgroup: Fix problematic bounds check bpf, inode_storage: Put file handler if no storage was found um: virtio: free vu_dev only with the contained struct device bpf, preload: Fix build when $(O) points to a relative path arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4 r8169: work around RTL8125 UDP hw bug rxrpc: Fix deadlock around release of dst cached on udp tunnel arm64: dts: ls1046a: fix dcfg address range SUNRPC: Fix NFS READs that start at non-page-aligned offsets igc: set the default return value to -IGC_ERR_NVM in igc_write_nvm_srwr igc: check return value of ret_val in igc_config_fc_after_link_up i40e: Revert "i40e: don't report link up for a VF who hasn't enabled queues" ibmvnic: device remove has higher precedence over reset net/mlx5: Fix function calculation for page trees net/mlx5: Fix leak upon failure of rule creation net/mlx5e: Update max_opened_tc also when channels are closed net/mlx5e: Release skb in case of failure in tc update skb net: lapb: Copy the skb before sending a packet net: mvpp2: TCAM entry enable should be written after SRAM data r8169: fix WoL on shutdown if CONFIG_DEBUG_SHIRQ is set net: ipa: pass correct dma_handle to dma_free_coherent() ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode nvmet-tcp: fix out-of-bounds access when receiving multiple h2cdata PDUs vdpa/mlx5: Restore the hardware used index after change map memblock: do not start bottom-up allocations with kernel_end kbuild: fix duplicated flags in DEBUG_CFLAGS thunderbolt: Fix possible NULL pointer dereference in tb_acpi_add_link() ovl: fix dentry leak in ovl_get_redirect ovl: avoid deadlock on directory ioctl ovl: implement volatile-specific fsync error behaviour mac80211: fix station rate table updates on assoc gpiolib: free device name on error path to fix kmemleak fgraph: Initialize tracing_graph_pause at task creation tracing/kprobe: Fix to support kretprobe events on unloaded modules kretprobe: Avoid re-registration of the same kretprobe earlier tracing: Use pause-on-trace with the latency tracers tracepoint: Fix race between tracing and removing tracepoint libnvdimm/namespace: Fix visibility of namespace resource attribute libnvdimm/dimm: Avoid race between probe and available_slots_show() genirq: Prevent [devm_]irq_alloc_desc from returning irq 0 genirq/msi: Activate Multi-MSI early when MSI_FLAG_ACTIVATE_EARLY is set scripts: use pkg-config to locate libcrypto xhci: fix bounce buffer usage for non-sg list case RISC-V: Define MAXPHYSMEM_1GB only for RV32 cifs: report error instead of invalid when revalidating a dentry fails iommu: Check dev->iommu in dev_iommu_priv_get() before dereferencing it smb3: Fix out-of-bounds bug in SMB2_negotiate() smb3: fix crediting for compounding when only one request in flight mmc: sdhci-pltfm: Fix linking err for sdhci-brcmstb mmc: core: Limit retries when analyse of SDIO tuples fails Fix unsynchronized access to sev members through svm_register_enc_region drm/dp/mst: Export drm_dp_get_vc_payload_bw() drm/i915: Fix the MST PBN divider calculation drm/i915/gem: Drop lru bumping on display unpinning drm/i915/gt: Close race between enable_breadcrumbs and cancel_breadcrumbs drm/i915/display: Prevent double YUV range correction on HDR planes drm/i915: Extract intel_ddi_power_up_lanes() drm/i915: Power up combo PHY lanes for for HDMI as well drm/amd/display: Revert "Fix EDID parsing after resume from suspend" io_uring: don't modify identity's files uncess identity is cowed nvme-pci: avoid the deepest sleep state on Kingston A2000 SSDs KVM: SVM: Treat SVM as unsupported when running as an SEV guest KVM: x86/mmu: Fix TDP MMU zap collapsible SPTEs KVM: x86: Allow guests to see MSR_IA32_TSX_CTRL even if tsx=off KVM: x86: fix CPUID entries returned by KVM_GET_CPUID2 ioctl KVM: x86: Update emulator context mode if SYSENTER xfers to 64-bit mode KVM: x86: Set so called 'reserved CR3 bits in LM mask' at vCPU reset DTS: ARM: gta04: remove legacy spi-cs-high to make display work again ARM: dts; gta04: SPI panel chip select is active low ARM: footbridge: fix dc21285 PCI configuration accessors ARM: 9043/1: tegra: Fix misplaced tegra_uart_config in decompressor mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page mm: hugetlb: fix a race between freeing and dissolving the page mm: hugetlb: fix a race between isolating and freeing page mm: hugetlb: remove VM_BUG_ON_PAGE from page_huge_active mm, compaction: move high_pfn to the for loop scope mm/vmalloc: separate put pages and flush VM flags mm: thp: fix MADV_REMOVE deadlock on shmem THP mm/filemap: add missing mem_cgroup_uncharge() to __add_to_page_cache_locked() x86/build: Disable CET instrumentation in the kernel x86/debug: Fix DR6 handling x86/debug: Prevent data breakpoints on __per_cpu_offset x86/debug: Prevent data breakpoints on cpu_dr7 x86/apic: Add extra serialization for non-serializing MSRs Input: goodix - add support for Goodix GT9286 chip Input: xpad - sync supported devices with fork on GitHub Input: ili210x - implement pressure reporting for ILI251x md: Set prev_flush_start and flush_bio in an atomic way igc: Report speed and duplex as unknown when device is runtime suspended neighbour: Prevent a dead entry from updating gc_list net: ip_tunnel: fix mtu calculation udp: ipv4: manipulate network header of NATed UDP GRO fraglist net: dsa: mv88e6xxx: override existent unicast portvec in port_fdb_add net: sched: replaced invalid qdisc tree flush helper in qdisc_replace Linux 5.10.15 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I15750357b4c30739515fdc0bbbd0e04b7c986171 |
||
|
Marc Zyngier
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0fe48a40ac |
genirq/msi: Activate Multi-MSI early when MSI_FLAG_ACTIVATE_EARLY is set
commit |
||
|
Viktor Rosendahl
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9e4a668f4f |
tracing: Use pause-on-trace with the latency tracers
commit |
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Wang ShaoBo
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8ce84b8e8e |
kretprobe: Avoid re-registration of the same kretprobe earlier
commit |
||
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Masami Hiramatsu
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fb03f14cc1 |
tracing/kprobe: Fix to support kretprobe events on unloaded modules
commit |
||
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Steven Rostedt (VMware)
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43b5bdbf96 |
fgraph: Initialize tracing_graph_pause at task creation
commit |
||
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Quentin Monnet
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6f5ee57a68 |
bpf, preload: Fix build when $(O) points to a relative path
[ Upstream commit |
||
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Pan Bian
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571fe1ba22 |
bpf, inode_storage: Put file handler if no storage was found
[ Upstream commit |
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Loris Reiff
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9447d0f8a6 |
bpf, cgroup: Fix problematic bounds check
[ Upstream commit |
||
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Loris Reiff
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ee3844e617 |
bpf, cgroup: Fix optlen WARN_ON_ONCE toctou
[ Upstream commit |
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Shaleen Agrawal
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1e674650ff |
ANDROID: sched: Fix wake_q length tracking
The current approach to carry the wake_q length is exposed to an intertask stack access. For example, if A sets the wake_q_head for B but is preempted before it is able to set it back to NULL, then B continues to point to an address corresponding to A's stack. If B is then woken up by another task, it ends up accessing the address pointing to A's stack. This causes a memory fault. Replace this with a simple parameter which indicates the number of tasks that are being woken up as part of the same event. This avoids saving and accessing on stack pointers. Bug: 173981591 Change-Id: I0031747d79a27673e680f7b1121eb4896ac7c699 Signed-off-by: Shaleen Agrawal <shalagra@codeaurora.org> |
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Greg Kroah-Hartman
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d0d8327012 |
Merge 5.10.14 into android12-5.10
Changes in 5.10.14
net: dsa: microchip: Adjust reset release timing to match reference reset circuit
net: stmmac: dwmac-intel-plat: remove config data on error
net: fec: put child node on error path
net: octeontx2: Make sure the buffer is 128 byte aligned
stmmac: intel: Configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA addressing
mlxsw: spectrum_span: Do not overwrite policer configuration
net: dsa: bcm_sf2: put device node before return
net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP
ibmvnic: Ensure that CRQ entry read are correctly ordered
iommu/io-pgtable-arm: Support coherency for Mali LPAE
drm/panfrost: Support cache-coherent integrations
arm64: dts: meson: Describe G12b GPU as coherent
arm64: Fix kernel address detection of __is_lm_address()
arm64: Do not pass tagged addresses to __is_lm_address()
Revert "x86/setup: don't remove E820_TYPE_RAM for pfn 0"
ARM: 9025/1: Kconfig: CPU_BIG_ENDIAN depends on !LD_IS_LLD
iommu/vt-d: Do not use flush-queue when caching-mode is on
phy: cpcap-usb: Fix warning for missing regulator_disable
tools/power/x86/intel-speed-select: Set scaling_max_freq to base_frequency
tools/power/x86/intel-speed-select: Set higher of cpuinfo_max_freq or base_frequency
platform/x86: touchscreen_dmi: Add swap-x-y quirk for Goodix touchscreen on Estar Beauty HD tablet
platform/x86: intel-vbtn: Support for tablet mode on Dell Inspiron 7352
habanalabs: fix dma_addr passed to dma_mmap_coherent
locking/lockdep: Avoid noinstr warning for DEBUG_LOCKDEP
x86: __always_inline __{rd,wr}msr()
scsi: scsi_transport_srp: Don't block target in failfast state
scsi: libfc: Avoid invoking response handler twice if ep is already completed
scsi: fnic: Fix memleak in vnic_dev_init_devcmd2
ASoC: SOF: Intel: hda: Resume codec to do jack detection
ALSA: hda: Add AlderLake-P PCI ID and HDMI codec vid
objtool: Don't add empty symbols to the rbtree
mac80211: fix incorrect strlen of .write in debugfs
mac80211: fix fast-rx encryption check
mac80211: fix encryption key selection for 802.3 xmit
scsi: ibmvfc: Set default timeout to avoid crash during migration
ALSA: hda: Add Cometlake-R PCI ID
i2c: tegra: Create i2c_writesl_vi() to use with VI I2C for filling TX FIFO
udf: fix the problem that the disc content is not displayed
nvme: check the PRINFO bit before deciding the host buffer length
nvme-rdma: avoid request double completion for concurrent nvme_rdma_timeout
nvme-tcp: avoid request double completion for concurrent nvme_tcp_timeout
nvme-pci: allow use of cmb on v1.4 controllers
nvmet: set right status on error in id-ns handler
platform/x86: thinkpad_acpi: Add P53/73 firmware to fan_quirk_table for dual fan control
selftests/powerpc: Only test lwm/stmw on big endian
drm/amd/display: Update dram_clock_change_latency for DCN2.1
drm/amd/display: Allow PSTATE chnage when no displays are enabled
drm/amd/display: Change function decide_dp_link_settings to avoid infinite looping
drm/amd/display: Use hardware sequencer functions for PG control
drm/amd/display: Fixed corruptions on HPDRX link loss restore
habanalabs: zero pci counters packet before submit to FW
habanalabs: fix backward compatibility of idle check
habanalabs: disable FW events on device removal
objtool: Don't fail the kernel build on fatal errors
x86/cpu: Add another Alder Lake CPU to the Intel family
kthread: Extract KTHREAD_IS_PER_CPU
workqueue: Restrict affinity change to rescuer
Linux 5.10.14
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I14bb472e4128e97ea84e91547b9223d1157b93c8
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Peter Zijlstra
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b80df6517d |
workqueue: Restrict affinity change to rescuer
[ Upstream commit
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Peter Zijlstra
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b20475a80b |
kthread: Extract KTHREAD_IS_PER_CPU
[ Upstream commit
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Peter Zijlstra
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d2c880ed2c |
locking/lockdep: Avoid noinstr warning for DEBUG_LOCKDEP
[ Upstream commit
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Alexander Potapenko
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8d1fea4a24 |
FROMGIT: tracing: add error_report_end trace point
Patch series "Add error_report_end tracepoint to KFENCE and KASAN", v3. This patchset adds a tracepoint, error_repor_end, that is to be used by KFENCE, KASAN, and potentially other bug detection tools, when they print an error report. One of the possible use cases is userspace collection of kernel error reports: interested parties can subscribe to the tracing event via tracefs, and get notified when an error report occurs. This patch (of 3): Introduce error_report_end tracepoint. It can be used in debugging tools like KASAN, KFENCE, etc. to provide extensions to the error reporting mechanisms (e.g. allow tests hook into error reporting, ease error report collection from production kernels). Another benefit would be making use of ftrace for debugging or benchmarking the tools themselves. Should we need it, the tracepoint name leaves us with the possibility to introduce a complementary error_report_start tracepoint in the future. Link: https://lkml.kernel.org/r/20210121131915.1331302-1-glider@google.com Link: https://lkml.kernel.org/r/20210121131915.1331302-2-glider@google.com Signed-off-by: Alexander Potapenko <glider@google.com> Suggested-by: Marco Elver <elver@google.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Petr Mladek <pmladek@suse.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Bug: 177201466 (cherry picked from commit ba7612c00686f204f7bca4ceb7394a9e705e84bd https://github.com/hnaz/linux-mm v5.11-rc4-mmots-2021-01-21-20-10) Test: CONFIG_KFENCE_KUNIT_TEST=y passes on Cuttlefish Signed-off-by: Alexander Potapenko <glider@google.com> Change-Id: Ic86e29982c04dad4b3b7889a424f37b22cc5f22b |
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Greg Kroah-Hartman
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cf5b2483a5 |
Merge 5.10.13 into android12-5.10
Changes in 5.10.13 iwlwifi: provide gso_type to GSO packets nbd: freeze the queue while we're adding connections tty: avoid using vfs_iocb_iter_write() for redirected console writes ACPI: sysfs: Prefer "compatible" modalias ACPI: thermal: Do not call acpi_thermal_check() directly kernel: kexec: remove the lock operation of system_transition_mutex ALSA: hda/realtek: Enable headset of ASUS B1400CEPE with ALC256 ALSA: hda/via: Apply the workaround generically for Clevo machines parisc: Enable -mlong-calls gcc option by default when !CONFIG_MODULES media: cec: add stm32 driver media: cedrus: Fix H264 decoding media: hantro: Fix reset_raw_fmt initialization media: rc: fix timeout handling after switch to microsecond durations media: rc: ite-cir: fix min_timeout calculation media: rc: ensure that uevent can be read directly after rc device register ARM: dts: tbs2910: rename MMC node aliases ARM: dts: ux500: Reserve memory carveouts ARM: dts: imx6qdl-gw52xx: fix duplicate regulator naming wext: fix NULL-ptr-dereference with cfg80211's lack of commit() x86/xen: avoid warning in Xen pv guest with CONFIG_AMD_MEM_ENCRYPT enabled ASoC: AMD Renoir - refine DMI entries for some Lenovo products Revert "drm/amdgpu/swsmu: drop set_fan_speed_percent (v2)" drm/nouveau/kms/gk104-gp1xx: Fix > 64x64 cursors drm/i915: Always flush the active worker before returning from the wait drm/i915/gt: Always try to reserve GGTT address 0x0 drivers/nouveau/kms/nv50-: Reject format modifiers for cursor planes bcache: only check feature sets when sb->version >= BCACHE_SB_VERSION_CDEV_WITH_FEATURES net: usb: qmi_wwan: added support for Thales Cinterion PLSx3 modem family s390: uv: Fix sysfs max number of VCPUs reporting s390/vfio-ap: No need to disable IRQ after queue reset PM: hibernate: flush swap writer after marking x86/entry: Emit a symbol for register restoring thunk efi/apple-properties: Reinstate support for boolean properties crypto: marvel/cesa - Fix tdma descriptor on 64-bit drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs drivers: soc: atmel: add null entry at the end of at91_soc_allowed_list[] btrfs: fix lockdep warning due to seqcount_mutex on 32bit arch btrfs: fix possible free space tree corruption with online conversion KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[] KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh() KVM: arm64: Filter out v8.1+ events on v8.0 HW KVM: nSVM: cancel KVM_REQ_GET_NESTED_STATE_PAGES on nested vmexit KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration KVM: x86: get smi pending status correctly KVM: Forbid the use of tagged userspace addresses for memslots io_uring: fix wqe->lock/completion_lock deadlock xen: Fix XenStore initialisation for XS_LOCAL leds: trigger: fix potential deadlock with libata arm64: dts: broadcom: Fix USB DMA address translation for Stingray mt7601u: fix kernel crash unplugging the device mt76: mt7663s: fix rx buffer refcounting mt7601u: fix rx buffer refcounting iwlwifi: Fix IWL_SUBDEVICE_NO_160 macro to use the correct bit. drm/i915/gt: Clear CACHE_MODE prior to clearing residuals drm/i915/pmu: Don't grab wakeref when enabling events net/mlx5e: Fix IPSEC stats ARM: dts: imx6qdl-kontron-samx6i: fix pwms for lcd-backlight drm/nouveau/svm: fail NOUVEAU_SVM_INIT ioctl on unsupported devices drm/vc4: Correct lbm size and calculation drm/vc4: Correct POS1_SCL for hvs5 drm/nouveau/dispnv50: Restore pushing of all data. drm/i915: Check for all subplatform bits drm/i915/selftest: Fix potential memory leak uapi: fix big endian definition of ipv6_rpl_sr_hdr KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM tee: optee: replace might_sleep with cond_resched xen-blkfront: allow discard-* nodes to be optional blk-mq: test QUEUE_FLAG_HCTX_ACTIVE for sbitmap_shared in hctx_may_queue clk: imx: fix Kconfig warning for i.MX SCU clk clk: mmp2: fix build without CONFIG_PM clk: qcom: gcc-sm250: Use floor ops for sdcc clks ARM: imx: build suspend-imx6.S with arm instruction set ARM: zImage: atags_to_fdt: Fix node names on added root nodes netfilter: nft_dynset: add timeout extension to template Revert "RDMA/mlx5: Fix devlink deadlock on net namespace deletion" Revert "block: simplify set_init_blocksize" to regain lost performance xfrm: Fix oops in xfrm_replay_advance_bmp xfrm: fix disable_xfrm sysctl when used on xfrm interfaces selftests: xfrm: fix test return value override issue in xfrm_policy.sh xfrm: Fix wraparound in xfrm_policy_addr_delta() arm64: dts: ls1028a: fix the offset of the reset register ARM: imx: fix imx8m dependencies ARM: dts: imx6qdl-kontron-samx6i: fix i2c_lcd/cam default status ARM: dts: imx6qdl-sr-som: fix some cubox-i platforms arm64: dts: imx8mp: Correct the gpio ranges of gpio3 firmware: imx: select SOC_BUS to fix firmware build RDMA/cxgb4: Fix the reported max_recv_sge value ASoC: dt-bindings: lpass: Fix and common up lpass dai ids ASoC: qcom: Fix incorrect volatile registers ASoC: qcom: Fix broken support to MI2S TERTIARY and QUATERNARY ASoC: qcom: lpass-ipq806x: fix bitwidth regmap field spi: altera: Fix memory leak on error path ASoC: Intel: Skylake: skl-topology: Fix OOPs ib skl_tplg_complete powerpc/64s: prevent recursive replay_soft_interrupts causing superfluous interrupt pNFS/NFSv4: Fix a layout segment leak in pnfs_layout_process() pNFS/NFSv4: Update the layout barrier when we schedule a layoutreturn ASoC: SOF: Intel: soundwire: fix select/depend unmet dependencies ASoC: qcom: lpass: Fix out-of-bounds DAI ID lookup iwlwifi: pcie: avoid potential PNVM leaks iwlwifi: pnvm: don't skip everything when not reloading iwlwifi: pnvm: don't try to load after failures iwlwifi: pcie: set LTR on more devices iwlwifi: pcie: use jiffies for memory read spin time limit iwlwifi: pcie: reschedule in long-running memory reads mac80211: pause TX while changing interface type ice: fix FDir IPv6 flexbyte ice: Implement flow for IPv6 next header (extension header) ice: update dev_addr in ice_set_mac_address even if HW filter exists ice: Don't allow more channels than LAN MSI-X available ice: Fix MSI-X vector fallback logic i40e: acquire VSI pointer only after VF is initialized igc: fix link speed advertising net/mlx5: Fix memory leak on flow table creation error flow net/mlx5e: E-switch, Fix rate calculation for overflow net/mlx5e: free page before return net/mlx5e: Reduce tc unsupported key print level net/mlx5: Maintain separate page trees for ECPF and PF functions net/mlx5e: Disable hw-tc-offload when MLX5_CLS_ACT config is disabled net/mlx5e: Fix CT rule + encap slow path offload and deletion net/mlx5e: Correctly handle changing the number of queues when the interface is down net/mlx5e: Revert parameters on errors when changing trust state without reset net/mlx5e: Revert parameters on errors when changing MTU and LRO state without reset net/mlx5: CT: Fix incorrect removal of tuple_nat_node from nat rhashtable can: dev: prevent potential information leak in can_fill_info() ACPI/IORT: Do not blindly trust DMA masks from firmware of/device: Update dma_range_map only when dev has valid dma-ranges iommu/amd: Use IVHD EFR for early initialization of IOMMU features iommu/vt-d: Correctly check addr alignment in qi_flush_dev_iotlb_pasid() nvme-multipath: Early exit if no path is available selftests: forwarding: Specify interface when invoking mausezahn rxrpc: Fix memory leak in rxrpc_lookup_local NFC: fix resource leak when target index is invalid NFC: fix possible resource leak ASoC: mediatek: mt8183-da7219: ignore TDM DAI link by default ASoC: mediatek: mt8183-mt6358: ignore TDM DAI link by default ASoC: topology: Properly unregister DAI on removal ASoC: topology: Fix memory corruption in soc_tplg_denum_create_values() scsi: qla2xxx: Fix description for parameter ql2xenforce_iocb_limit team: protect features update by RCU to avoid deadlock tcp: make TCP_USER_TIMEOUT accurate for zero window probes tcp: fix TLP timer not set when CA_STATE changes from DISORDER to OPEN vsock: fix the race conditions in multi-transport support Linux 5.10.13 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I75f419b25f24da559e446d62f75ce6bb9b0a5396 |
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Will Deacon
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0d2b4a64a9 |
FROMLIST: sched: Introduce force_compatible_cpus_allowed_ptr() to limit CPU affinity
Asymmetric systems may not offer the same level of userspace ISA support across all CPUs, meaning that some applications cannot be executed by some CPUs. As a concrete example, upcoming arm64 big.LITTLE designs do not feature support for 32-bit applications on both clusters. Although userspace can carefully manage the affinity masks for such tasks, one place where it is particularly problematic is execve() because the CPU on which the execve() is occurring may be incompatible with the new application image. In such a situation, it is desirable to restrict the affinity mask of the task and ensure that the new image is entered on a compatible CPU. From userspace's point of view, this looks the same as if the incompatible CPUs have been hotplugged off in the task's affinity mask. In preparation for restricting the affinity mask for compat tasks on arm64 systems without uniform support for 32-bit applications, introduce force_compatible_cpus_allowed_ptr(), which restricts the affinity mask for a task to contain only compatible CPUs. Reviewed-by: Quentin Perret <qperret@google.com> Signed-off-by: Will Deacon <will@kernel.org> Bug: 178507149 Link: https://lore.kernel.org/linux-arch/20201208132835.6151-11-will@kernel.org/ Signed-off-by: Will Deacon <willdeacon@google.com> Change-Id: Ief3e47f6aa8179eadf2e009f207cc0161b76f466 |
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Will Deacon
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50844622e6 |
FROMLIST: sched: Reject CPU affinity changes based on task_cpu_possible_mask()
Reject explicit requests to change the affinity mask of a task via set_cpus_allowed_ptr() if the requested mask is not a subset of the mask returned by task_cpu_possible_mask(). This ensures that the 'cpus_mask' for a given task cannot contain CPUs which are incapable of executing it, except in cases where the affinity is forced. Reviewed-by: Quentin Perret <qperret@google.com> Signed-off-by: Will Deacon <will@kernel.org> Bug: 178507149 Link: https://lore.kernel.org/linux-arch/20201208132835.6151-10-will@kernel.org/ Signed-off-by: Will Deacon <willdeacon@google.com> Change-Id: Iadedd637c253cccfeb5fa4098afb2048bbfa6cc3 |
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Will Deacon
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4045a05f88 |
BACKPORT: FROMLIST: cpuset: Honour task_cpu_possible_mask() in guarantee_online_cpus()
Asymmetric systems may not offer the same level of userspace ISA support across all CPUs, meaning that some applications cannot be executed by some CPUs. As a concrete example, upcoming arm64 big.LITTLE designs do not feature support for 32-bit applications on both clusters. Modify guarantee_online_cpus() to take task_cpu_possible_mask() into account when trying to find a suitable set of online CPUs for a given task. This will avoid passing an invalid mask to set_cpus_allowed_ptr() during ->attach() and will subsequently allow the cpuset hierarchy to be taken into account when forcefully overriding the affinity mask for a task which requires migration to a compatible CPU. Cc: Li Zefan <lizefan@huawei.com> Cc: Tejun Heo <tj@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Will Deacon <will@kernel.org> Bug: 178507149 Link: https://lore.kernel.org/linux-arch/20201208132835.6151-9-will@kernel.org/ [will: Fixed conflict due to active_mask being used instead of online_mask] Signed-off-by: Will Deacon <willdeacon@google.com> Change-Id: I5b4a50e7a257af928dccd87f1dbd961ea26ff834 |
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Will Deacon
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210463b39c |
FROMLIST: cpuset: Don't use the cpu_possible_mask as a last resort for cgroup v1
If the scheduler cannot find an allowed CPU for a task, cpuset_cpus_allowed_fallback() will widen the affinity to cpu_possible_mask if cgroup v1 is in use. In preparation for allowing architectures to provide their own fallback mask, just return early if we're not using cgroup v2 and allow select_fallback_rq() to figure out the mask by itself. Cc: Li Zefan <lizefan@huawei.com> Cc: Tejun Heo <tj@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Quentin Perret <qperret@google.com> Signed-off-by: Will Deacon <will@kernel.org> [will: Check task_cpu_possible_mask() in v2 mode as per on-list comments] Link: https://lore.kernel.org/r/20201217121552.ds7g2icvqp5nvtha@e107158-lin.cambridge.arm.com Bug: 178507149 Link: https://lore.kernel.org/linux-arch/20201208132835.6151-8-will@kernel.org/ Signed-off-by: Will Deacon <willdeacon@google.com> Change-Id: I7a6b234c28495bae6feeecceafb841aae4de6046 |