diff options
| author | Andrey Konovalov <[email protected]> | 2022-05-23 16:51:52 +0200 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2022-06-23 15:57:29 +0100 |
| commit | 446297b28a21244e4045026c4599d1b14a67e2ce (patch) | |
| tree | c61440ee70734b2bbd0c09b9786f25ad5154e812 /lib/mpi/mpi-cmp.c | |
| parent | 802b91118d11227b527153849ea761b280691373 (diff) | |
arm64: stacktrace: use non-atomic __set_bit
Use the non-atomic version of set_bit() in arch/arm64/kernel/stacktrace.c,
as there is no concurrent accesses to frame->prev_type.
This speeds up stack trace collection and improves the boot time of
Generic KASAN by 2-5%.
Suggested-by: Mark Rutland <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Signed-off-by: Andrey Konovalov <[email protected]>
Link: https://lore.kernel.org/r/23dfa36d1cc91e4a1059945b7834eac22fb9854d.1653317461.git.andreyknvl@google.com
Signed-off-by: Will Deacon <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-cmp.c')
0 files changed, 0 insertions, 0 deletions