linux-kernel - [tip: timers/core] posix-cpu-timers: Fixup stale comment

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Date:   Fri, 23 Aug 2019 02:12:16 -0000
From:   tip-bot2 for Thomas Gleixner <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Frederic Weisbecker <frederic@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [tip: timers/core] posix-cpu-timers: Fixup stale comment

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     7cb9a94c158b956f46cf093ed966d0c1e996dddb
Gitweb:        https://git.kernel.org/tip/7cb9a94c158b956f46cf093ed966d0c1e996dddb
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Mon, 19 Aug 2019 16:31:45 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Tue, 20 Aug 2019 22:09:53 +02:00

posix-cpu-timers: Fixup stale comment

The comment above cleanup_timers() is outdated. The timers are only removed
from the task/process list heads but not modified in any other way.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Frederic Weisbecker <frederic@...nel.org>
Link: https://lkml.kernel.org/r/20190819143801.747233612@linutronix.de

---
 kernel/time/posix-cpu-timers.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 0a426f4..742d4a4 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -412,9 +412,10 @@ static void cleanup_timers_list(struct list_head *head)
 }
 
 /*
- * Clean out CPU timers still ticking when a thread exited.  The task
- * pointer is cleared, and the expiry time is replaced with the residual
- * time for later timer_gettime calls to return.
+ * Clean out CPU timers which are still armed when a thread exits. The
+ * timers are only removed from the list. No other updates are done. The
+ * corresponding posix timers are still accessible, but cannot be rearmed.
+ *
  * This must be called with the siglock held.
  */
 static void cleanup_timers(struct list_head *head)