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posix-cpu-timers: cpu_clock_sample_group() no longer needs siglock

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As of e78c349679 ("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
This commit is contained in:
Eric W. Biederman 2020-02-28 11:08:45 -06:00 committed by Thomas Gleixner
parent a67de48b30
commit a2efdbf4fc
1 changed files with 1 additions and 3 deletions
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4
kernel/time/posix-cpu-timers.c
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@ -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)