diff options
| author | Kumar Kartikeya Dwivedi <memxor@gmail.com> | 2025-11-11 01:38:27 +0000 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2025-11-12 11:17:39 -0800 |
| commit | 3249e8a17e62eefef096ec3818efbb91debbf9c7 (patch) | |
| tree | 4793eac8b4620bf09e27b89fd7f978d323d836eb /kernel | |
| parent | f8c67d8550ee69ce684c7015b2c8c63cda24bbfb (diff) | |
bpf: Adjust return value for queue destruction in rqspinlock
Return -ETIMEDOUT whenever non-head waiters are signalled by head, and fix
oversight in commit 7bd6e5ce5be6 ("rqspinlock: Disable queue destruction for
deadlocks"). We no longer signal on deadlocks.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Reviewed-by: Amery Hung <ameryhung@gmail.com>
Link: https://lore.kernel.org/r/20251111013827.1853484-1-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/rqspinlock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/rqspinlock.c b/kernel/bpf/rqspinlock.c index b94e258bf2b9..3cc23d79a9fc 100644 --- a/kernel/bpf/rqspinlock.c +++ b/kernel/bpf/rqspinlock.c @@ -537,7 +537,7 @@ queue: val = arch_mcs_spin_lock_contended(&node->locked); if (val == RES_TIMEOUT_VAL) { - ret = -EDEADLK; + ret = -ETIMEDOUT; goto waitq_timeout; } |