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zhujingpeng e270773646 ANDROID: vendor_hooks: add hooks in rwsem read trylock 
When the lock is owned by readers and there is no RWSEM_FLAG_HANDOFF set,
we allow some specific new readers to acquire the lock immediately
in this hook, event if there are some writer tasks in the wait_list.
This features can optimize the priority inversion problem caused by
rwsem and improve system responsiveness and
performance.

Bug: 348699619
Bug: 336506800

Change-Id: I7e8fded73579933d1f61faa9fb6e5f300ffd71bf
Signed-off-by: zhujingpeng <zhujingpeng@vivo.com>
[jstultz: rebased, resolved collision]
Signed-off-by: John Stultz <jstultz@google.com>
2024-06-22 18:46:05 +08:00
..
bpf
Merge 6.1.77 into android14-6.1-lts
2024-04-17 08:34:35 +00:00
cgroup
ANDROID: sched/cpuset: Add vendor hook to change tasks affinity
2024-02-28 18:04:33 +00:00
configs
Kbuild: add Rust support
2022-09-28 09:02:20 +02:00
debug
Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1"
2024-04-02 19:49:12 +00:00
dma
Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1"
2024-04-02 19:49:12 +00:00
entry
entry/rcu: Check TIF_RESCHED _after_ delayed RCU wake-up
2023-03-30 12:49:13 +02:00
events
Merge 6.1.77 into android14-6.1-lts
2024-04-17 08:34:35 +00:00
futex
Merge 6.1.63 into android14-6.1-lts
2023-11-27 16:59:46 +00:00
gcov
gcov: add support for checksum field
2022-12-31 13:33:11 +01:00
irq
Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1"
2024-04-02 19:49:12 +00:00
kcsan
kcsan: Don't expect 64 bits atomic builtins from 32 bits architectures
2023-07-19 16:21:37 +02:00
livepatch
livepatch: Fix missing newline character in klp_resolve_symbols()
2023-11-20 11:52:10 +01:00
locking
ANDROID: vendor_hooks: add hooks in rwsem read trylock
2024-06-22 18:46:05 +08:00
module
Revert^2 "BACKPORT: FROMGIT: module: allow UNUSED_KSYMS_WHITELIST ..."
2024-05-30 19:08:29 +00:00
power
Merge tag 'android14-6.1.78_r00' into branch android14-6.1
2024-05-30 15:23:39 +00:00
printk
Merge 6.1.55 into android14-6.1-lts
2023-10-26 18:58:32 +00:00
rcu
Merge 6.1.76 into android-6.1
2024-04-16 15:01:11 +00:00
sched
BACKPORT: sched: Add a new function to compare if two cpus have the same capacity
2024-06-06 15:43:07 +00:00
time
Revert "hrtimer: Report offline hrtimer enqueue"
2024-04-19 12:47:22 +00:00
trace
Merge 6.1.76 into android-6.1
2024-04-16 15:01:11 +00:00
.gitignore
ANDROID: add more gki_module headers to .gitignore file
2023-06-09 13:11:58 +00:00
acct.c
acct: fix potential integer overflow in encode_comp_t()
2022-12-31 13:32:58 +01:00
async.c
async: Introduce async_schedule_dev_nocall()
2024-01-31 16:17:00 -08:00
audit_fsnotify.c
audit: fix potential double free on error path from fsnotify_add_inode_mark
2022-08-22 18:50:06 -04:00
audit_tree.c
audit: use fsnotify group lock helpers
2022-04-25 14:37:28 +02:00
audit_watch.c
audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()
2023-11-28 17:07:08 +00:00
audit.c
audit: Send netlink ACK before setting connection in auditd_set
2024-02-05 20:12:47 +00:00
audit.h
audit: remove selinux_audit_rule_update() declaration
2022-09-07 11:30:15 -04:00
auditfilter.c
…
auditsc.c
Revert "audit,io_uring: io_uring openat triggers audit reference count underflow"
2023-11-06 14:51:23 +00:00
backtracetest.c
…
bounds.c
mm: multi-gen LRU: minimal implementation
2022-09-26 19:46:09 -07:00
capability.c
…
cfi.c
cfi: Switch to -fsanitize=kcfi
2022-09-26 10:13:13 -07:00
compat.c
sched_getaffinity: don't assume 'cpumask_size()' is fully initialized
2023-04-06 12:10:40 +02:00
configs.c
…
context_tracking.c
context_tracking: Fix noinstr vs KASAN
2023-03-10 09:33:45 +01:00
cpu_pm.c
context_tracking: Take IRQ eqs entrypoints over RCU
2022-07-05 13:32:59 -07:00
cpu.c
Reapply "Merge tag 'android14-6.1.75_r00' into android14-6.1"
2024-04-02 19:49:12 +00:00
crash_core.c
vmcoreinfo: add kallsyms_num_syms symbol
2022-08-28 14:02:44 -07:00
crash_dump.c
…
cred.c
Revert "cred: switch to using atomic_long_t"
2024-01-11 22:38:43 +00:00
delayacct.c
ANDROID: Add vendor_hooks to workaround CONFIG_TASK_DELAY_ACCT
2024-02-29 21:10:10 +00:00
dma.c
…
exec_domain.c
…
exit.c
ANDROID: vendor_hooks: Add hooks for waking up and exiting control
2023-08-25 18:32:06 +00:00
extable.c
context_tracking: Take NMI eqs entrypoints over RCU
2022-07-05 13:32:59 -07:00
fail_function.c
kernel/fail_function: fix memory leak with using debugfs_lookup()
2023-03-11 13:55:39 +01:00
fork.c
ANDROID: vendor_hooks: Add hook for trace_android_vh_copy_process
2024-02-28 11:27:13 +00:00
freezer.c
FROMGIT: freezer,sched: clean saved_state when restoring it during thaw
2023-11-29 20:08:28 +00:00
gen_kheaders.sh
FROMLIST: kheaders: explicitly define file modes for archived headers
2024-05-28 14:08:23 +00:00
groups.c
security: Add LSM hook to setgroups() syscall
2022-07-15 18:21:49 +00:00
hung_task.c
ANDROID: hung_task: Add vendor hook for hung task detect
2023-01-30 11:14:35 +08:00
iomem.c
…
irq_work.c
Merge 'v5.18-rc3' into 'android-mainline'
2022-04-18 08:32:59 +02:00
jump_label.c
jump_label: make initial NOP patching the special case
2022-06-24 09:48:55 +02:00
kallsyms_internal.h
kallsyms: Reduce the memory occupied by kallsyms_seqs_of_names[]
2023-10-25 12:03:16 +02:00
kallsyms.c
kallsyms: Add helper kallsyms_on_each_match_symbol()
2023-10-25 12:03:16 +02:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
Revert "signal, x86: Delay calling signals in atomic on RT enabled kernels"
2022-03-31 10:36:55 +02:00
kcov.c
UPSTREAM: mm: replace vma->vm_flags direct modifications with modifier calls
2023-06-07 14:24:57 +00:00
kexec_core.c
kexec: fix a memory leak in crash_shrink_memory()
2023-07-19 16:21:08 +02:00
kexec_elf.c
…
kexec_file.c
kexec: support purgatories with .text.hot sections
2023-06-21 16:00:55 +02:00
kexec_internal.h
panic, kexec: make __crash_kexec() NMI safe
2022-09-11 21:55:06 -07:00
kexec.c
kernel: kexec: copy user-array safely
2023-11-28 17:06:57 +00:00
kheaders.c
kheaders: Use array declaration instead of char
2023-05-11 23:03:02 +09:00
kmod.c
…
kprobes.c
kprobes: consistent rcu api usage for kretprobe holder
2023-12-13 18:39:17 +01:00
ksysfs.c
kexec: turn all kexec_mutex acquisitions into trylocks
2022-09-11 21:55:06 -07:00
kthread.c
UPSTREAM: sched/wait: Fix a kthread_park race with wait_woken()
2024-03-28 00:24:19 +00:00
latencytop.c
latencytop: use the last element of latency_record of system
2022-09-11 21:55:12 -07:00
Makefile
ANDROID: Add vendor_hooks to workaround CONFIG_TASK_DELAY_ACCT
2024-02-29 21:10:10 +00:00
module_signature.c
…
notifier.c
notifier: Add blocking/atomic_notifier_chain_register_unique_prio()
2022-05-19 19:30:30 +02:00
nsproxy.c
Revert "fs/exec: allow to unshare a time namespace on vfork+exec"
2022-09-13 10:38:43 -07:00
padata.c
crypto: pcrypt - Fix hungtask for PADATA_RESET
2023-11-28 17:06:58 +00:00
panic.c
panic: Reenable preemption in WARN slowpath
2023-09-23 11:11:09 +02:00
params.c
…
pid_namespace.c
rcu-tasks: Fix synchronize_rcu_tasks() VS zap_pid_ns_processes()
2023-03-10 09:32:52 +01:00
pid.c
Merge 041bc24d86 ("Merge tag 'pci-v6.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci") into android-mainline
2022-10-25 14:52:46 +02:00
profile.c
Revert "exit: Remove profile_task_exit & profile_munmap"
2023-03-09 23:13:08 +00:00
ptrace.c
freezer,sched: Rewrite core freezer logic
2022-09-07 21:53:50 +02:00
range.c
…
reboot.c
Merge 6.1.64 into android14-6.1-lts
2023-12-12 18:41:13 +00:00
regset.c
…
relay.c
UPSTREAM: relayfs: fix out-of-bounds access in relay_file_read
2023-07-04 08:29:35 +01:00
resource_kunit.c
…
resource.c
Revert "PCI: Allow drivers to request exclusive config regions"
2023-10-12 12:05:39 +00:00
rseq.c
rseq: Use pr_warn_once() when deprecated/unknown ABI flags are encountered
2022-11-14 09:58:32 +01:00
scftorture.c
scftorture: Forgive memory-allocation failure if KASAN
2023-09-23 11:11:00 +02:00
scs.c
UPSTREAM: scs: add support for dynamic shadow call stacks
2023-05-25 15:37:14 -07:00
seccomp.c
seccomp: Add wait_killable semantic to seccomp user notifier
2022-05-03 14:11:58 -07:00
signal.c
ANDROID: export two function to reclaim memory
2024-04-08 17:39:38 +00:00
smp.c
smp,csd: Throw an error if a CSD lock is stuck for too long
2023-11-28 17:06:55 +00:00
smpboot.c
smpboot: use atomic_try_cmpxchg in cpu_wait_death and cpu_report_death
2022-09-11 21:55:10 -07:00
smpboot.h
…
softirq.c
ANDROID: EXPORT raise_softirq and update the ABI symbol list
2024-03-13 16:18:09 +00:00
stackleak.c
stackleak: add on/off stack variants
2022-05-08 01:33:09 -07:00
stacktrace.c
Merge ed4643521e ("Merge tag 'arm-dt-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") into android-mainline
2022-04-05 08:12:56 +02:00
static_call_inline.c
static_call: Don't make __static_call_return0 static
2022-04-05 09:59:38 +02:00
static_call.c
static_call: Don't make __static_call_return0 static
2022-04-05 09:59:38 +02:00
stop_machine.c
ANDROID: sched: allow access to critical common code for CPU Pause
2022-09-21 00:09:57 +00:00
sys_ni.c
kernel/sys_ni: add compat entry for fadvise64_64
2022-08-20 15:17:45 -07:00
sys.c
Merge b1644a0031 ("drm/rockchip: vop2: Use regcache_sync() to fix suspend/resume") into android14-6.1
2023-05-16 14:19:59 +00:00
sysctl-test.c
kernel/sysctl-test: use SYSCTL_{ZERO/ONE_HUNDRED} instead of i_{zero/one_hundred}
2022-09-08 16:56:45 -07:00
sysctl.c
proc: proc_skip_spaces() shouldn't think it is working on C strings
2022-12-05 12:09:06 -08:00
task_work.c
task_work: use try_cmpxchg in task_work_add, task_work_cancel_match and task_work_run
2022-09-11 21:55:10 -07:00
taskstats.c
genetlink: start to validate reserved header bytes
2022-08-29 12:47:15 +01:00
torture.c
torture: Fix hang during kthread shutdown phase
2023-03-10 09:34:07 +01:00
tracepoint.c
Merge d4013bc4d4 ("Merge tag 'bitmap-6.1-rc1' of https://github.com/norov/linux") into android-mainline
2022-10-19 13:22:10 +02:00
tsacct.c
taskstats: version 12 with thread group and exe info
2022-04-29 14:38:03 -07:00
ucount.c
ucounts: Split rlimit and ucount values and max values
2022-05-18 18:24:57 -05:00
uid16.c
…
uid16.h
…
umh.c
freezer,umh: Fix call_usermode_helper_exec() vs SIGKILL
2023-02-22 12:59:50 +01:00
up.c
…
user_namespace.c
Merge tag 'ucount-rlimits-cleanups-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2022-10-09 16:24:05 -07:00
user-return-notifier.c
…
user.c
ANDROID: export find_user() & free_uid()for GKI purpose.
2023-05-11 05:22:29 +00:00
usermode_driver.c
blob_to_mnt(): kern_unmount() is needed to undo kern_mount()
2022-05-19 23:25:47 -04:00
utsname_sysctl.c
kernel/utsname_sysctl.c: Fix hostname polling
2022-10-23 12:01:01 -07:00
utsname.c
…
watch_queue.c
kernel: watch_queue: copy user-array safely
2023-11-28 17:06:57 +00:00
watchdog_hld.c
watchdog/perf: more properly prevent false positives with turbo modes
2023-07-19 16:21:08 +02:00
watchdog.c
Merge 6.1.64 into android14-6.1-lts
2023-12-12 18:41:13 +00:00
workqueue_internal.h
…
workqueue.c
Merge "Merge tag 'android14-6.1.68_r00' into branch 'android14-6.1'" into android14-6.1
2024-01-24 17:34:59 +00:00