diff options
| author | Alexei Starovoitov <ast@kernel.org> | 2024-08-22 09:27:59 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-08-22 09:48:44 -0700 |
| commit | 50c374c6d1a43db9444cb74cc09552c817db2a9b (patch) | |
| tree | b80c7befe92ef07799cf2dca3135afe56a6a646f /kernel/panic.c | |
| parent | d352eca2662734cdd5ef90df1f8bc28b9505e36f (diff) | |
| parent | 872cf28b8df9c5c3a1e71a88ee750df7c2513971 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Cross-merge bpf fixes after downstream PR including
important fixes (from bpf-next point of view):
commit 41c24102af7b ("selftests/bpf: Filter out _GNU_SOURCE when compiling test_cpp")
commit fdad456cbcca ("bpf: Fix updating attached freplace prog in prog_array map")
No conflicts.
Adjacent changes in:
include/linux/bpf_verifier.h
kernel/bpf/verifier.c
tools/testing/selftests/bpf/Makefile
Link: https://lore.kernel.org/bpf/20240813234307.82773-1-alexei.starovoitov@gmail.com/
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/panic.c')
| -rw-r--r-- | kernel/panic.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/panic.c b/kernel/panic.c index f861bedc1925..2a0449144f82 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -64,6 +64,8 @@ unsigned long panic_on_taint; bool panic_on_taint_nousertaint = false; static unsigned int warn_limit __read_mostly; +bool panic_triggering_all_cpu_backtrace; + int panic_timeout = CONFIG_PANIC_TIMEOUT; EXPORT_SYMBOL_GPL(panic_timeout); @@ -253,8 +255,12 @@ void check_panic_on_warn(const char *origin) */ static void panic_other_cpus_shutdown(bool crash_kexec) { - if (panic_print & PANIC_PRINT_ALL_CPU_BT) + if (panic_print & PANIC_PRINT_ALL_CPU_BT) { + /* Temporary allow non-panic CPUs to write their backtraces. */ + panic_triggering_all_cpu_backtrace = true; trigger_all_cpu_backtrace(); + panic_triggering_all_cpu_backtrace = false; + } /* * Note that smp_send_stop() is the usual SMP shutdown function, |