summaryrefslogtreecommitdiff
path: root/kernel
diff options
context:
space:
mode:
authorKumar Kartikeya Dwivedi <memxor@gmail.com>2025-04-10 07:55:12 -0700
committerAlexei Starovoitov <ast@kernel.org>2025-04-10 12:47:07 -0700
commit92b90f780d056a28f3c751c2dfbcd9540c7ae28a (patch)
treec81a7402322b81f9015900554b48c2e6e38bf81a /kernel
parent1ddb9ad2ac6e527f220d5821ad54d37d3f9d122a (diff)
bpf: Use architecture provided res_smp_cond_load_acquire
In v2 of rqspinlock [0], we fixed potential problems with WFE usage in arm64 to fallback to a version copied from Ankur's series [1]. This logic was moved into arch-specific headers in v3 [2]. However, we missed using the arch-provided res_smp_cond_load_acquire in commit ebababcd0372 ("rqspinlock: Hardcode cond_acquire loops for arm64") due to a rebasing mistake between v2 and v3 of the rqspinlock series. Fix the typo to fallback to the arm64 definition as we did in v2. [0]: https://lore.kernel.org/bpf/20250206105435.2159977-18-memxor@gmail.com [1]: https://lore.kernel.org/lkml/20250203214911.898276-1-ankur.a.arora@oracle.com [2]: https://lore.kernel.org/bpf/20250303152305.3195648-9-memxor@gmail.com Fixes: ebababcd0372 ("rqspinlock: Hardcode cond_acquire loops for arm64") Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20250410145512.1876745-1-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/bpf/rqspinlock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/rqspinlock.c b/kernel/bpf/rqspinlock.c
index b896c4a75a5c..338305c8852c 100644
--- a/kernel/bpf/rqspinlock.c
+++ b/kernel/bpf/rqspinlock.c
@@ -253,7 +253,7 @@ static noinline int check_timeout(rqspinlock_t *lock, u32 mask,
})
#else
#define RES_CHECK_TIMEOUT(ts, ret, mask) \
- ({ (ret) = check_timeout(&(ts)); })
+ ({ (ret) = check_timeout((lock), (mask), &(ts)); })
#endif
/*