mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-16 04:21:09 -04:00
Code Issues Packages Projects Releases Wiki Activity

ww-mutex: Fix the ww_acquire_ctx function annotations

Browse Source 
The ww_acquire_done() call is optional. Reflect this in the annotations of
ww_acquire_done().

Fixes: 47907461e4 ("locking/ww_mutex: Support Clang's context analysis")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Marco Elver <elver@google.com>
Link: https://patch.msgid.link/20260225183244.4035378-4-bvanassche@acm.org
This commit is contained in:
Bart Van Assche
2026-02-25 10:32:43 -08:00
committed by Peter Zijlstra
parent 39be7b21af
commit 3dcef70e41
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/ww_mutex.h
View File

@@ -181,7 +181,7 @@ static inline void ww_acquire_init(struct ww_acquire_ctx *ctx,
* data structures.
*/
static inline void ww_acquire_done(struct ww_acquire_ctx *ctx)
__releases(ctx) __acquires_shared(ctx) __no_context_analysis
__must_hold(ctx)
{
#ifdef DEBUG_WW_MUTEXES
lockdep_assert_held(ctx);
@@ -199,7 +199,7 @@ static inline void ww_acquire_done(struct ww_acquire_ctx *ctx)
* mutexes have been released with ww_mutex_unlock.
*/
static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx)
__releases_shared(ctx) __no_context_analysis
__releases(ctx) __no_context_analysis
{
#ifdef CONFIG_DEBUG_LOCK_ALLOC
mutex_release(&ctx->first_lock_dep_map, _THIS_IP_);