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android_kernel_motorola_sm6375/kernel
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Filename Latest commit message Latest commit date
Kajol Jain 506d2a3bbf
 UPSTREAM: bpf: Remove config check to enable bpf support for branch records 
[ Upstream commit db52f57211b4e45f0ebb274e2c877b211dc18591 ]

Branch data available to BPF programs can be very useful to get stack traces
out of userspace application.

Commit fff7b64355ea ("bpf: Add bpf_read_branch_records() helper") added BPF
support to capture branch records in x86. Enable this feature also for other
architectures as well by removing checks specific to x86.

If an architecture doesn't support branch records, bpf_read_branch_records()
still has appropriate checks and it will return an -EINVAL in that scenario.
Based on UAPI helper doc in include/uapi/linux/bpf.h, unsupported architectures
should return -ENOENT in such case. Hence, update the appropriate check to
return -ENOENT instead.

Selftest 'perf_branches' result on power9 machine which has the branch stacks
support:

 - Before this patch:

  [command]# ./test_progs -t perf_branches
   #88/1 perf_branches/perf_branches_hw:FAIL
   #88/2 perf_branches/perf_branches_no_hw:OK
   #88 perf_branches:FAIL
  Summary: 0/1 PASSED, 0 SKIPPED, 1 FAILED

 - After this patch:

  [command]# ./test_progs -t perf_branches
   #88/1 perf_branches/perf_branches_hw:OK
   #88/2 perf_branches/perf_branches_no_hw:OK
   #88 perf_branches:OK
  Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED

Selftest 'perf_branches' result on power9 machine which doesn't have branch
stack report:

 - After this patch:

  [command]# ./test_progs -t perf_branches
   #88/1 perf_branches/perf_branches_hw:SKIP
   #88/2 perf_branches/perf_branches_no_hw:OK
   #88 perf_branches:OK
  Summary: 1/1 PASSED, 1 SKIPPED, 0 FAILED

Fixes: fff7b64355eac ("bpf: Add bpf_read_branch_records() helper")
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Change-Id: Ide9c32fdd0c825e46d7a9c6872d78122e4bb9b79
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211206073315.77432-1-kjain@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Tashfin Shakeer Rhythm <tashfinshakeerrhythm@gmail.com>
2026-02-01 20:44:40 -08:00
..
bpf UPSTREAM: bpf, netns: Fix build without CONFIG_INET 2026-01-14 18:13:18 -08:00
cgroup UPSTREAM: cgroup: remove redundant kernfs_activate in cgroup_setup_root() 2026-01-14 18:13:14 -08:00
configs
debug BACKPORT: maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2026-01-14 18:13:21 -08:00
dma Merge tag 'ASB-2024-10-05_11-5.4' of https://android.googlesource.com/kernel/common into android13-5.4-lahaina 2024-10-09 18:08:17 +00:00
events UPSTREAM: bpf: Fail PERF_EVENT_IOC_SET_BPF when bpf_get_[stack|stackid] cannot work 2026-01-14 18:12:08 -08:00
gcov gcov: add support for GCC 15 2025-12-03 12:45:19 +01:00
irq Merge branch 'android11-5.4-lts' of https://android.googlesource.com/kernel/common into android13-5.4-lahaina 2025-10-08 15:23:13 +03:00
livepatch UPSTREAM: ftrace: Introduce PERMANENT ftrace_ops flag 2025-12-23 13:35:45 -08:00
locking Merge tag 'ASB-2025-06-05_11-5.4' of https://android.googlesource.com/kernel/common into android13-5.4-lahaina 2025-06-30 10:49:17 +03:00
power Merge tag 'ASB-2025-10-06_11-5.4' of https://android.googlesource.com/kernel/common into android13-5.4-lahaina 2025-10-08 15:17:54 +03:00
printk BACKPORT: sysctl: pass kernel pointers to ->proc_handler 2025-12-23 13:36:15 -08:00
rcu BACKPORT: rcu-tasks: Add a grace-period start time for throttling and debug 2026-01-14 18:13:22 -08:00
sched UPSTREAM: sched/core: Add function to sample state of locked-down task 2026-01-14 18:13:18 -08:00
time BACKPORT: sysctl: pass kernel pointers to ->proc_handler 2025-12-23 13:36:15 -08:00
trace UPSTREAM: bpf: Remove config check to enable bpf support for branch records 2026-02-01 20:44:40 -08:00
.gitignore
acct.c acct: perform last write from workqueue 2025-03-13 12:43:26 +01:00
async.c treewide: Remove uninitialized_var() usage 2023-06-09 10:29:01 +02:00
audit.c audit: Send netlink ACK before setting connection in auditd_set 2024-02-23 08:24:54 +01:00
audit.h
audit_fsnotify.c
audit_tree.c
audit_watch.c audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare() 2023-11-28 16:50:18 +00:00
auditfilter.c
auditsc.c audit: fix possible soft lockup in __audit_inode_child() 2023-09-23 10:59:46 +02:00
backtracetest.c treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD() 2023-04-20 12:07:32 +02:00
bounds.c bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS 2024-05-02 16:18:37 +02:00
capability.c
cfi.c
compat.c sched_getaffinity: don't assume 'cpumask_size()' is fully initialized 2023-04-05 11:16:42 +02:00
configs.c
context_tracking.c
cpu.c hrtimers: Handle CPU state correctly on hotplug 2025-02-01 18:18:51 +01:00
cpu_pm.c
crash_core.c
crash_dump.c
cred.c Revert "cred: switch to using atomic_long_t" 2024-01-03 17:00:08 +00:00
delayacct.c
dma.c
exec_domain.c
exit.c UPSTREAM: umd: Track user space drivers with struct pid 2026-01-14 18:12:15 -08:00
extable.c UPSTREAM: bpf: Remove bpf_image tree 2025-12-23 13:36:07 -08:00
fail_function.c kernel/fail_function: fix memory leak with using debugfs_lookup() 2023-03-11 16:44:15 +01:00
fork.c fork: adjust sysctl_max_threads definition to match prototype 2026-02-01 20:37:34 -08:00
freezer.c
futex.c Merge 5.4.246 into android11-5.4-lts 2023-06-20 19:13:58 +00:00
gen_kheaders.sh Merge tag 'ASB-2025-03-05_11-5.4' into android13-5.4-lahaina 2025-04-12 09:31:28 +00:00
groups.c BACKPORT: mm: remove the pgprot argument to __vmalloc 2026-01-14 17:48:09 -08:00
hung_task.c kernel/hung_task.c: make type annotations consistent 2026-02-01 20:38:49 -08:00
iomem.c
irq_work.c UPSTREAM: irq_work: Convert flags to atomic_t 2025-12-23 13:35:39 -08:00
jump_label.c
kallsyms.c
kcmp.c
Kconfig.freezer
Kconfig.hz
Kconfig.locks
Kconfig.preempt
kcov.c
kexec.c
kexec_core.c kexec: fix a memory leak in crash_shrink_memory() 2023-07-27 08:37:10 +02:00
kexec_elf.c kexec: initialize ELF lowest address to ULONG_MAX 2025-04-10 14:29:41 +02:00
kexec_file.c kexec: support purgatories with .text.hot sections 2023-06-21 15:44:10 +02:00
kexec_internal.h
kheaders.c kheaders: Use array declaration instead of char 2023-05-17 11:35:33 +02:00
kmod.c
kprobes.c BACKPORT: sysctl: pass kernel pointers to ->proc_handler 2025-12-23 13:36:15 -08:00
ksysfs.c
kthread.c BACKPORT: maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2026-01-14 18:13:21 -08:00
latencytop.c BACKPORT: sysctl: pass kernel pointers to ->proc_handler 2025-12-23 13:36:15 -08:00
Makefile UPSTREAM: bpf: Add kernel module with user mode driver that populates bpffs. 2026-01-14 18:12:16 -08:00
module-internal.h
module.c BACKPORT: mm: remove the pgprot argument to __vmalloc 2026-01-14 17:48:09 -08:00
module_signature.c
module_signing.c
notifier.c
nsproxy.c
padata.c padata: Reset next CPU when reorder sequence wraps around 2025-10-29 14:00:01 +01:00
panic.c panic: Flush kernel log buffer at the end 2024-04-13 12:51:37 +02:00
params.c module: ensure that kobject_put() is safe for module type kobjects 2025-06-04 14:32:27 +02:00
pid.c Merge tag 'ASB-2025-12-01_11-5.4' of https://android.googlesource.com/kernel/common into android13-5.4-lahaina 2025-12-04 19:21:35 +02:00
pid_namespace.c BACKPORT: sysctl: pass kernel pointers to ->proc_handler 2025-12-23 13:36:15 -08:00
profile.c
ptrace.c
range.c
reboot.c This is the 5.4.262 stable release 2023-11-29 10:18:14 +00:00
relay.c relayfs: fix out-of-bounds access in relay_file_read 2023-05-17 11:35:58 +02:00
resource.c resource: fix region_intersects() vs add_memory_driver_managed() 2024-11-08 16:20:46 +01:00
rseq.c
scs.c
seccomp.c seccomp: Remove bogus __user annotations 2026-02-01 20:39:03 -08:00
signal.c Merge tag 'ASB-2024-12-05_11-5.4' of https://android.googlesource.com/kernel/common into android13-5.4-lahaina 2024-12-17 03:24:53 +02:00
smp.c Merge tag 'ASB-2024-11-05_11-5.4' of https://android.googlesource.com/kernel/common into android13-5.4-lahaina 2024-11-08 15:36:32 +00:00
smpboot.c
smpboot.h
softirq.c Revert "tasklet: Introduce new initialization API" 2025-03-13 17:21:46 +00:00
stackleak.c stackleak: let stack_erasing_sysctl take a kernel pointer buffer 2026-02-01 20:38:37 -08:00
stacktrace.c
stop_machine.c
sys.c Merge 5.4.272 into android11-5.4-lts 2024-04-05 12:37:33 +00:00
sys_ni.c BACKPORT: epoll: wire up syscall epoll_pwait2 2025-12-22 07:42:50 +02:00
sysctl-test.c
sysctl.c bpf, sysctl: Let bpf_stats_handler take a kernel pointer buffer 2026-02-01 20:37:19 -08:00
sysctl_binary.c
task_work.c
taskstats.c
test_kprobes.c
torture.c
tracepoint.c UPSTREAM: module: Fix up module_notifier return values 2026-01-14 18:12:53 -08:00
tsacct.c
ucount.c
uid16.c
uid16.h
umh.c BACKPORT: umh: Separate the user mode driver and the user mode helper support 2026-01-14 18:12:14 -08:00
up.c
user-return-notifier.c
user.c
user_namespace.c
usermode_driver.c UPSTREAM: bpf: Fix umd memory leak in copy_process() 2026-01-14 18:12:50 -08:00
utsname.c
utsname_sysctl.c BACKPORT: sysctl: pass kernel pointers to ->proc_handler 2025-12-23 13:36:15 -08:00
watchdog.c BACKPORT: sysctl: pass kernel pointers to ->proc_handler 2025-12-23 13:36:15 -08:00
watchdog_hld.c watchdog/perf: properly initialize the turbo mode timestamp and rearm counter 2024-08-19 05:33:39 +02:00
workqueue.c BACKPORT: maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2026-01-14 18:13:21 -08:00
workqueue_internal.h