* [PATCH] locking/mutex: remove redundant ifdef
@ 2025-07-04 1:52 ranxiaokai627
2025-07-04 13:57 ` Waiman Long
2025-07-19 17:40 ` [tip: locking/core] locking/mutex: Remove redundant #ifdefs tip-bot2 for Ran Xiaokai
0 siblings, 2 replies; 4+ messages in thread
From: ranxiaokai627 @ 2025-07-04 1:52 UTC (permalink / raw)
To: peterz, mingo, will, boqun.feng, longman; +Cc: linux-kernel, ran.xiaokai
From: Ran Xiaokai <ran.xiaokai@zte.com.cn>
hung_task_set/clear_blocker() is already guarded by
CONFIG_DETECT_HUNG_TASK_BLOCKER in hung_task.h, So remove
the redudant check of #ifdef.
Signed-off-by: Ran Xiaokai <ran.xiaokai@zte.com.cn>
---
kernel/locking/mutex.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index a39ecccbd106..d4210dc97b6a 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -191,9 +191,7 @@ static void
__mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
struct list_head *list)
{
-#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER
hung_task_set_blocker(lock, BLOCKER_TYPE_MUTEX);
-#endif
debug_mutex_add_waiter(lock, waiter, current);
list_add_tail(&waiter->list, list);
@@ -209,9 +207,7 @@ __mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter)
__mutex_clear_flag(lock, MUTEX_FLAGS);
debug_mutex_remove_waiter(lock, waiter, current);
-#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER
hung_task_clear_blocker();
-#endif
}
/*
--
2.25.1
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] locking/mutex: remove redundant ifdef
2025-07-04 1:52 [PATCH] locking/mutex: remove redundant ifdef ranxiaokai627
@ 2025-07-04 13:57 ` Waiman Long
2025-07-11 22:17 ` Boqun Feng
2025-07-19 17:40 ` [tip: locking/core] locking/mutex: Remove redundant #ifdefs tip-bot2 for Ran Xiaokai
1 sibling, 1 reply; 4+ messages in thread
From: Waiman Long @ 2025-07-04 13:57 UTC (permalink / raw)
To: ranxiaokai627, peterz, mingo, will, boqun.feng; +Cc: linux-kernel, ran.xiaokai
On 7/3/25 9:52 PM, ranxiaokai627@163.com wrote:
> From: Ran Xiaokai <ran.xiaokai@zte.com.cn>
>
> hung_task_set/clear_blocker() is already guarded by
> CONFIG_DETECT_HUNG_TASK_BLOCKER in hung_task.h, So remove
> the redudant check of #ifdef.
>
> Signed-off-by: Ran Xiaokai <ran.xiaokai@zte.com.cn>
> ---
> kernel/locking/mutex.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
> index a39ecccbd106..d4210dc97b6a 100644
> --- a/kernel/locking/mutex.c
> +++ b/kernel/locking/mutex.c
> @@ -191,9 +191,7 @@ static void
> __mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
> struct list_head *list)
> {
> -#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER
> hung_task_set_blocker(lock, BLOCKER_TYPE_MUTEX);
> -#endif
> debug_mutex_add_waiter(lock, waiter, current);
>
> list_add_tail(&waiter->list, list);
> @@ -209,9 +207,7 @@ __mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter)
> __mutex_clear_flag(lock, MUTEX_FLAGS);
>
> debug_mutex_remove_waiter(lock, waiter, current);
> -#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER
> hung_task_clear_blocker();
> -#endif
> }
>
> /*
Acked-by: Waiman Long <longman@redhat.com>
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] locking/mutex: remove redundant ifdef
2025-07-04 13:57 ` Waiman Long
@ 2025-07-11 22:17 ` Boqun Feng
0 siblings, 0 replies; 4+ messages in thread
From: Boqun Feng @ 2025-07-11 22:17 UTC (permalink / raw)
To: Waiman Long; +Cc: ranxiaokai627, peterz, mingo, will, linux-kernel, ran.xiaokai
On Fri, Jul 04, 2025 at 09:57:35AM -0400, Waiman Long wrote:
>
> On 7/3/25 9:52 PM, ranxiaokai627@163.com wrote:
> > From: Ran Xiaokai <ran.xiaokai@zte.com.cn>
> >
> > hung_task_set/clear_blocker() is already guarded by
> > CONFIG_DETECT_HUNG_TASK_BLOCKER in hung_task.h, So remove
> > the redudant check of #ifdef.
> >
> > Signed-off-by: Ran Xiaokai <ran.xiaokai@zte.com.cn>
Queued for v6.17, thanks!
Regards,
Boqun
> > ---
> > kernel/locking/mutex.c | 4 ----
> > 1 file changed, 4 deletions(-)
> >
> > diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
> > index a39ecccbd106..d4210dc97b6a 100644
> > --- a/kernel/locking/mutex.c
> > +++ b/kernel/locking/mutex.c
> > @@ -191,9 +191,7 @@ static void
> > __mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
> > struct list_head *list)
> > {
> > -#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER
> > hung_task_set_blocker(lock, BLOCKER_TYPE_MUTEX);
> > -#endif
> > debug_mutex_add_waiter(lock, waiter, current);
> > list_add_tail(&waiter->list, list);
> > @@ -209,9 +207,7 @@ __mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter)
> > __mutex_clear_flag(lock, MUTEX_FLAGS);
> > debug_mutex_remove_waiter(lock, waiter, current);
> > -#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER
> > hung_task_clear_blocker();
> > -#endif
> > }
> > /*
> Acked-by: Waiman Long <longman@redhat.com>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* [tip: locking/core] locking/mutex: Remove redundant #ifdefs
2025-07-04 1:52 [PATCH] locking/mutex: remove redundant ifdef ranxiaokai627
2025-07-04 13:57 ` Waiman Long
@ 2025-07-19 17:40 ` tip-bot2 for Ran Xiaokai
1 sibling, 0 replies; 4+ messages in thread
From: tip-bot2 for Ran Xiaokai @ 2025-07-19 17:40 UTC (permalink / raw)
To: linux-tip-commits; +Cc: Ran Xiaokai, Waiman Long, Boqun Feng, x86, linux-kernel
The following commit has been merged into the locking/core branch of tip:
Commit-ID: 1dfe5ea6dbb3e03073f5426d65394694683b8692
Gitweb: https://git.kernel.org/tip/1dfe5ea6dbb3e03073f5426d65394694683b8692
Author: Ran Xiaokai <ran.xiaokai@zte.com.cn>
AuthorDate: Fri, 04 Jul 2025 01:52:18
Committer: Boqun Feng <boqun.feng@gmail.com>
CommitterDate: Mon, 14 Jul 2025 21:57:29 -07:00
locking/mutex: Remove redundant #ifdefs
hung_task_{set,clear}_blocker() is already guarded by
CONFIG_DETECT_HUNG_TASK_BLOCKER in hung_task.h, So remove
the redudant check of #ifdef.
Signed-off-by: Ran Xiaokai <ran.xiaokai@zte.com.cn>
Acked-by: Waiman Long <longman@redhat.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://lore.kernel.org/r/20250704015218.359754-1-ranxiaokai627@163.com
---
kernel/locking/mutex.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index a39eccc..d4210dc 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -191,9 +191,7 @@ static void
__mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
struct list_head *list)
{
-#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER
hung_task_set_blocker(lock, BLOCKER_TYPE_MUTEX);
-#endif
debug_mutex_add_waiter(lock, waiter, current);
list_add_tail(&waiter->list, list);
@@ -209,9 +207,7 @@ __mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter)
__mutex_clear_flag(lock, MUTEX_FLAGS);
debug_mutex_remove_waiter(lock, waiter, current);
-#ifdef CONFIG_DETECT_HUNG_TASK_BLOCKER
hung_task_clear_blocker();
-#endif
}
/*
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-07-19 17:40 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2025-07-04 1:52 [PATCH] locking/mutex: remove redundant ifdef ranxiaokai627
2025-07-04 13:57 ` Waiman Long
2025-07-11 22:17 ` Boqun Feng
2025-07-19 17:40 ` [tip: locking/core] locking/mutex: Remove redundant #ifdefs tip-bot2 for Ran Xiaokai
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