* [PATCH] sched/core: sched_tick_remote: Remove duplicate assignment
@ 2020-02-04 0:35 Scott Wood
2020-02-04 14:27 ` Phil Auld
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Scott Wood @ 2020-02-04 0:35 UTC (permalink / raw)
To: Peter Zijlstra, Frederic Weisbecker, Thomas Gleixner, Ingo Molnar
Cc: linux-kernel, Scott Wood
A redundant "curr = rq->curr" was added; remove it.
Fixes: ebc0f83c78a2 ("timers/nohz: Update NOHZ load in remote tick")
Signed-off-by: Scott Wood <swood@redhat.com>
---
kernel/sched/core.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 45f79bcc3146..377ec26e9159 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3683,7 +3683,6 @@ static void sched_tick_remote(struct work_struct *work)
if (cpu_is_offline(cpu))
goto out_unlock;
- curr = rq->curr;
update_rq_clock(rq);
if (!is_idle_task(curr)) {
--
1.8.3.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] sched/core: sched_tick_remote: Remove duplicate assignment
2020-02-04 0:35 [PATCH] sched/core: sched_tick_remote: Remove duplicate assignment Scott Wood
@ 2020-02-04 14:27 ` Phil Auld
2020-02-04 17:00 ` Scott Wood
2020-02-11 12:47 ` [tip: sched/core] sched/core: Remove duplicate assignment in sched_tick_remote() tip-bot2 for Scott Wood
2020-02-20 20:09 ` tip-bot2 for Scott Wood
2 siblings, 1 reply; 5+ messages in thread
From: Phil Auld @ 2020-02-04 14:27 UTC (permalink / raw)
To: Scott Wood
Cc: Peter Zijlstra, Frederic Weisbecker, Thomas Gleixner,
Ingo Molnar, linux-kernel
Hi Scott,
On Mon, Feb 03, 2020 at 07:35:58PM -0500 Scott Wood wrote:
> A redundant "curr = rq->curr" was added; remove it.
>
> Fixes: ebc0f83c78a2 ("timers/nohz: Update NOHZ load in remote tick")
> Signed-off-by: Scott Wood <swood@redhat.com>
> ---
> kernel/sched/core.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index 45f79bcc3146..377ec26e9159 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -3683,7 +3683,6 @@ static void sched_tick_remote(struct work_struct *work)
> if (cpu_is_offline(cpu))
> goto out_unlock;
>
> - curr = rq->curr;
> update_rq_clock(rq);
>
> if (!is_idle_task(curr)) {
> --
> 1.8.3.1
>
Reviewed-by: Phil Auld <pauld@redhat.com>
Out of curiosity, why remove this one and not the one right before the
cpu_is_offline check?
Cheers,
Phil
--
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] sched/core: sched_tick_remote: Remove duplicate assignment
2020-02-04 14:27 ` Phil Auld
@ 2020-02-04 17:00 ` Scott Wood
0 siblings, 0 replies; 5+ messages in thread
From: Scott Wood @ 2020-02-04 17:00 UTC (permalink / raw)
To: Phil Auld
Cc: Peter Zijlstra, Frederic Weisbecker, Thomas Gleixner,
Ingo Molnar, linux-kernel
On Tue, 2020-02-04 at 09:27 -0500, Phil Auld wrote:
> Hi Scott,
>
> On Mon, Feb 03, 2020 at 07:35:58PM -0500 Scott Wood wrote:
> > A redundant "curr = rq->curr" was added; remove it.
> >
> > Fixes: ebc0f83c78a2 ("timers/nohz: Update NOHZ load in remote tick")
> > Signed-off-by: Scott Wood <swood@redhat.com>
> > ---
> > kernel/sched/core.c | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> > index 45f79bcc3146..377ec26e9159 100644
> > --- a/kernel/sched/core.c
> > +++ b/kernel/sched/core.c
> > @@ -3683,7 +3683,6 @@ static void sched_tick_remote(struct work_struct
> > *work)
> > if (cpu_is_offline(cpu))
> > goto out_unlock;
> >
> > - curr = rq->curr;
> > update_rq_clock(rq);
> >
> > if (!is_idle_task(curr)) {
> > --
> > 1.8.3.1
> >
>
> Reviewed-by: Phil Auld <pauld@redhat.com>
>
> Out of curiosity, why remove this one and not the one right before the
> cpu_is_offline check?
This was the one that was recently added by mistake.
-Scott
^ permalink raw reply [flat|nested] 5+ messages in thread
* [tip: sched/core] sched/core: Remove duplicate assignment in sched_tick_remote()
2020-02-04 0:35 [PATCH] sched/core: sched_tick_remote: Remove duplicate assignment Scott Wood
2020-02-04 14:27 ` Phil Auld
@ 2020-02-11 12:47 ` tip-bot2 for Scott Wood
2020-02-20 20:09 ` tip-bot2 for Scott Wood
2 siblings, 0 replies; 5+ messages in thread
From: tip-bot2 for Scott Wood @ 2020-02-11 12:47 UTC (permalink / raw)
To: linux-tip-commits
Cc: Scott Wood, Peter Zijlstra (Intel), Ingo Molnar, x86, LKML
The following commit has been merged into the sched/core branch of tip:
Commit-ID: 4ccfaab0853bfea772558db6a5e289e87cba57ed
Gitweb: https://git.kernel.org/tip/4ccfaab0853bfea772558db6a5e289e87cba57ed
Author: Scott Wood <swood@redhat.com>
AuthorDate: Mon, 03 Feb 2020 19:35:58 -05:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Tue, 11 Feb 2020 12:59:22 +01:00
sched/core: Remove duplicate assignment in sched_tick_remote()
A redundant "curr = rq->curr" was added; remove it.
Fixes: ebc0f83c78a2 ("timers/nohz: Update NOHZ load in remote tick")
Signed-off-by: Scott Wood <swood@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/1580776558-12882-1-git-send-email-swood@redhat.com
---
kernel/sched/core.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 45f79bc..377ec26 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3683,7 +3683,6 @@ static void sched_tick_remote(struct work_struct *work)
if (cpu_is_offline(cpu))
goto out_unlock;
- curr = rq->curr;
update_rq_clock(rq);
if (!is_idle_task(curr)) {
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [tip: sched/core] sched/core: Remove duplicate assignment in sched_tick_remote()
2020-02-04 0:35 [PATCH] sched/core: sched_tick_remote: Remove duplicate assignment Scott Wood
2020-02-04 14:27 ` Phil Auld
2020-02-11 12:47 ` [tip: sched/core] sched/core: Remove duplicate assignment in sched_tick_remote() tip-bot2 for Scott Wood
@ 2020-02-20 20:09 ` tip-bot2 for Scott Wood
2 siblings, 0 replies; 5+ messages in thread
From: tip-bot2 for Scott Wood @ 2020-02-20 20:09 UTC (permalink / raw)
To: linux-tip-commits
Cc: Scott Wood, Peter Zijlstra (Intel),
Ingo Molnar, Thomas Gleixner, x86, LKML
The following commit has been merged into the sched/core branch of tip:
Commit-ID: 82e0516ce3a147365a5dd2a9bedd5ba43a18663d
Gitweb: https://git.kernel.org/tip/82e0516ce3a147365a5dd2a9bedd5ba43a18663d
Author: Scott Wood <swood@redhat.com>
AuthorDate: Mon, 03 Feb 2020 19:35:58 -05:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Thu, 20 Feb 2020 21:03:13 +01:00
sched/core: Remove duplicate assignment in sched_tick_remote()
A redundant "curr = rq->curr" was added; remove it.
Fixes: ebc0f83c78a2 ("timers/nohz: Update NOHZ load in remote tick")
Signed-off-by: Scott Wood <swood@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1580776558-12882-1-git-send-email-swood@redhat.com
---
kernel/sched/core.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 45f79bc..377ec26 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3683,7 +3683,6 @@ static void sched_tick_remote(struct work_struct *work)
if (cpu_is_offline(cpu))
goto out_unlock;
- curr = rq->curr;
update_rq_clock(rq);
if (!is_idle_task(curr)) {
^ permalink raw reply related [flat|nested] 5+ messages in thread
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2020-02-04 0:35 [PATCH] sched/core: sched_tick_remote: Remove duplicate assignment Scott Wood
2020-02-04 14:27 ` Phil Auld
2020-02-04 17:00 ` Scott Wood
2020-02-11 12:47 ` [tip: sched/core] sched/core: Remove duplicate assignment in sched_tick_remote() tip-bot2 for Scott Wood
2020-02-20 20:09 ` tip-bot2 for Scott Wood
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