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authorPeter Zijlstra <peterz@infradead.org>2021-08-15 23:28:44 +0200
committerIngo Molnar <mingo@kernel.org>2021-08-17 19:04:49 +0200
commit5297ccb2c50916c59294a63fae79fe01a7fbb79a (patch)
tree68133aab90e6a8e6a55601195f94650600b8e6ca /kernel/locking
parentlocking/ww_mutex: Split out the W/W implementation logic into kernel/locking/... (diff)
downloadlinux-5297ccb2c50916c59294a63fae79fe01a7fbb79a.tar.xz
linux-5297ccb2c50916c59294a63fae79fe01a7fbb79a.zip
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@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20210815211304.453235952@linutronix.de
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/ww_mutex.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/locking/ww_mutex.h b/kernel/locking/ww_mutex.h
index dadc798dfdee..6a98f3bb7e24 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)