diff options
| author | Eric Dumazet <edumazet@google.com> | 2025-06-30 12:19:27 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-07-02 14:32:29 -0700 |
| commit | 8f2b2282d04a5d5bcbec22f91572bb6803cfc771 (patch) | |
| tree | b78b4203652884e4eea1c2002f4a13a2db2ce1a2 /include | |
| parent | 36229b2caca2228b834c03fb83867022485a0563 (diff) | |
net: dst: annotate data-races around dst->lastuse
(dst_entry)->lastuse is read and written locklessly,
add corresponding annotations.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250630121934.3399505-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/dst.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 1efe1e5d51a9..bef2f41c7220 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -240,9 +240,9 @@ static inline void dst_hold(struct dst_entry *dst) static inline void dst_use_noref(struct dst_entry *dst, unsigned long time) { - if (unlikely(time != dst->lastuse)) { + if (unlikely(time != READ_ONCE(dst->lastuse))) { dst->__use++; - dst->lastuse = time; + WRITE_ONCE(dst->lastuse, time); } } |