diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2020-12-23 00:01:52 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2021-01-12 20:25:32 -0800 |
| commit | 80709af7325d179b433817f421c85449f2454046 (patch) | |
| tree | 69bddb8d4eab09de98102a39d574915981dccf85 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 7cd1af107a92eb63b93a96dc07406dcbc5269436 (diff) | |
riscv: cacheinfo: Fix using smp_processor_id() in preemptible
Use raw_smp_processor_id instead of smp_processor_id() to fix warning,
BUG: using smp_processor_id() in preemptible [00000000] code: init/1
caller is debug_smp_processor_id+0x1c/0x26
CPU: 0 PID: 1 Comm: init Not tainted 5.10.0-rc4 #211
Call Trace:
walk_stackframe+0x0/0xaa
show_stack+0x32/0x3e
dump_stack+0x76/0x90
check_preemption_disabled+0xaa/0xac
debug_smp_processor_id+0x1c/0x26
get_cache_size+0x18/0x68
load_elf_binary+0x868/0xece
bprm_execve+0x224/0x498
kernel_execve+0xdc/0x142
run_init_process+0x90/0x9e
try_to_run_init_process+0x12/0x3c
kernel_init+0xb4/0xf8
ret_from_exception+0x0/0xc
The issue is found when CONFIG_DEBUG_PREEMPT enabled.
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Tested-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
[Palmer: Added a comment.]
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions