The following commit has been merged into the locking/core branch of tip:
Commit-ID: 5297ccb2c50916c59294a63fae79fe01a7fbb79a
Gitweb: https://git.kernel.org/tip/5297ccb2c50916c59294a63fae79fe01a7fbb79a
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Sun, 15 Aug 2021 23:28:44 +02:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Tue, 17 Aug 2021 19:04:49 +02:00
locking/ww_mutex: Remove the __sched annotation from ww_mutex APIs
None of these functions will be on the stack when blocking in
schedule(), hence __sched is not needed.
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210815211304.453235952@xxxxxxxxxxxxx
---
kernel/locking/ww_mutex.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/kernel/locking/ww_mutex.h b/kernel/locking/ww_mutex.h
index dadc798..6a98f3b 100644
--- a/kernel/locking/ww_mutex.h
+++ b/kernel/locking/ww_mutex.h
@@ -62,7 +62,7 @@ ww_mutex_lock_acquired(struct ww_mutex *ww, struct ww_acquire_ctx *ww_ctx)
* transaction than @b and depending on algorithm either needs to wait for
* @b or die.
*/
-static inline bool __sched
+static inline bool
__ww_ctx_stamp_after(struct ww_acquire_ctx *a, struct ww_acquire_ctx *b)
{
@@ -77,7 +77,7 @@ __ww_ctx_stamp_after(struct ww_acquire_ctx *a, struct ww_acquire_ctx *b)
* already (ctx->acquired > 0), because __ww_mutex_add_waiter() and
* __ww_mutex_check_kill() wake any but the earliest context.
*/
-static bool __sched
+static bool
__ww_mutex_die(struct mutex *lock, struct mutex_waiter *waiter,
struct ww_acquire_ctx *ww_ctx)
{
@@ -154,7 +154,7 @@ static bool __ww_mutex_wound(struct mutex *lock,
*
* The current task must not be on the wait list.
*/
-static void __sched
+static void
__ww_mutex_check_waiters(struct mutex *lock, struct ww_acquire_ctx *ww_ctx)
{
struct mutex_waiter *cur;
@@ -210,7 +210,7 @@ ww_mutex_set_context_fastpath(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
raw_spin_unlock(&lock->base.wait_lock);
}
-static __always_inline int __sched
+static __always_inline int
__ww_mutex_kill(struct mutex *lock, struct ww_acquire_ctx *ww_ctx)
{
if (ww_ctx->acquired > 0) {
@@ -238,7 +238,7 @@ __ww_mutex_kill(struct mutex *lock, struct ww_acquire_ctx *ww_ctx)
* Since __ww_mutex_add_waiter() orders the wait-list on stamp, we only have to
* look at waiters before us in the wait-list.
*/
-static inline int __sched
+static inline int
__ww_mutex_check_kill(struct mutex *lock, struct mutex_waiter *waiter,
struct ww_acquire_ctx *ctx)
{
@@ -285,7 +285,7 @@ __ww_mutex_check_kill(struct mutex *lock, struct mutex_waiter *waiter,
* older contexts already waiting) to avoid unnecessary waiting and for
* Wound-Wait ensure we wound the owning context when it is younger.
*/
-static inline int __sched
+static inline int
__ww_mutex_add_waiter(struct mutex_waiter *waiter,
struct mutex *lock,
struct ww_acquire_ctx *ww_ctx)
|