From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 10 Jun 2024 16:42:23 +0000 (+0200)
Subject: posix-cpu-timers: Remove incorrect comment in posix_cpu_timer_set()
X-Git-Tag: v6.12-rc1~194^2~11^2~9
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=286bfaccea76e0bd3805ac6e77c8ec4a18ecb3fe;p=thirdparty%2Fkernel%2Flinux.git

posix-cpu-timers: Remove incorrect comment in posix_cpu_timer_set()

A leftover from historical code which describes fiction.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---

diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index b1a9a2ffddc96..eb28150c8d63a 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -689,13 +689,8 @@ static int posix_cpu_timer_set(struct k_itimer *timer, int timer_flags,
 			__posix_cpu_timer_get(timer, old, now);
 	}
 
+	/* Retry if the timer expiry is running concurrently */
 	if (unlikely(ret)) {
-		/*
-		 * We are colliding with the timer actually firing.
-		 * Punt after filling in the timer's old value, and
-		 * disable this firing since we are already reporting
-		 * it as an overrun (thanks to bump_cpu_timer above).
-		 */
 		unlock_task_sighand(p, &flags);
 		goto out;
 	}