* [tip: timers/core] posix-cpu-timers: cpu_clock_sample_group() no longer needs siglock
@ 2020-02-29 20:49 tip-bot2 for Eric W. Biederman
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot2 for Eric W. Biederman @ 2020-02-29 20:49 UTC (permalink / raw)
To: linux-tip-commits; +Cc: Eric W. Biederman, Thomas Gleixner, x86, LKML
The following commit has been merged into the timers/core branch of tip:
Commit-ID: 6d022b20c011a75df24d2be90d22769d1d4461d0
Gitweb: https://git.kernel.org/tip/6d022b20c011a75df24d2be90d22769d1d4461d0
Author: Eric W. Biederman <ebiederm@xmission.com>
AuthorDate: Fri, 28 Feb 2020 11:08:45 -06:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Sat, 29 Feb 2020 21:44:45 +01:00
posix-cpu-timers: cpu_clock_sample_group() no longer needs siglock
As of e78c3496790e ("time, signal: Protect resource use statistics with
seqlock") cpu_clock_sample_group() no longer needs siglock protection so
remove the stale comment.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/posix-cpu-timers.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 8ff6da7..46cc188 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -336,9 +336,7 @@ static void __thread_group_cputime(struct task_struct *tsk, u64 *samples)
/*
* Sample a process (thread group) clock for the given task clkid. If the
* group's cputime accounting is already enabled, read the atomic
- * store. Otherwise a full update is required. Task's sighand lock must be
- * held to protect the task traversal on a full update. clkid is already
- * validated.
+ * store. Otherwise a full update is required. clkid is already validated.
*/
static u64 cpu_clock_sample_group(const clockid_t clkid, struct task_struct *p,
bool start)
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [tip: timers/core] posix-cpu-timers: cpu_clock_sample_group() no longer needs siglock
2020-02-28 17:08 [PATCH 1/5] posix-cpu-timers: cpu_clock_sample_group " Eric W. Biederman
@ 2020-03-01 10:27 ` tip-bot2 for Eric W. Biederman
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot2 for Eric W. Biederman @ 2020-03-01 10:27 UTC (permalink / raw)
To: linux-tip-commits; +Cc: Eric W. Biederman, Thomas Gleixner, x86, LKML
The following commit has been merged into the timers/core branch of tip:
Commit-ID: a2efdbf4fcb38ec1ae99c9d54d52c34fa867dc71
Gitweb: https://git.kernel.org/tip/a2efdbf4fcb38ec1ae99c9d54d52c34fa867dc71
Author: Eric W. Biederman <ebiederm@xmission.com>
AuthorDate: Fri, 28 Feb 2020 11:08:45 -06:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Sun, 01 Mar 2020 11:21:43 +01:00
posix-cpu-timers: cpu_clock_sample_group() no longer needs siglock
As of e78c3496790e ("time, signal: Protect resource use statistics with
seqlock") cpu_clock_sample_group() no longer needs siglock protection so
remove the stale comment.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/87eeuevduq.fsf@x220.int.ebiederm.org
---
kernel/time/posix-cpu-timers.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 8ff6da7..46cc188 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -336,9 +336,7 @@ static void __thread_group_cputime(struct task_struct *tsk, u64 *samples)
/*
* Sample a process (thread group) clock for the given task clkid. If the
* group's cputime accounting is already enabled, read the atomic
- * store. Otherwise a full update is required. Task's sighand lock must be
- * held to protect the task traversal on a full update. clkid is already
- * validated.
+ * store. Otherwise a full update is required. clkid is already validated.
*/
static u64 cpu_clock_sample_group(const clockid_t clkid, struct task_struct *p,
bool start)
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2020-02-28 17:08 [PATCH 1/5] posix-cpu-timers: cpu_clock_sample_group " Eric W. Biederman
2020-03-01 10:27 ` [tip: timers/core] posix-cpu-timers: cpu_clock_sample_group() " tip-bot2 for Eric W. Biederman
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