From: Thomas Weißschuh Date: Wed, 7 Jan 2026 10:39:24 +0000 (+0100) Subject: hrtimer: Fix softirq base check in update_needs_ipi() X-Git-Tag: v6.19-rc6~11^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05dc4a9fc8b36d4c99d76bbc02aa9ec0132de4c2;p=thirdparty%2Flinux.git hrtimer: Fix softirq base check in update_needs_ipi() The 'clockid' field is not the correct way to check for a softirq base. Fix the check to correctly compare the base type instead of the clockid. Fixes: 1e7f7fbcd40c ("hrtimer: Avoid more SMP function calls in clock_was_set()") Signed-off-by: Thomas Weißschuh Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20260107-hrtimer-clock-base-check-v1-1-afb5dbce94a1@linutronix.de --- diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index bdb30cc5e873..0e4bc1ca15ff 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -913,7 +913,7 @@ static bool update_needs_ipi(struct hrtimer_cpu_base *cpu_base, return true; /* Extra check for softirq clock bases */ - if (base->clockid < HRTIMER_BASE_MONOTONIC_SOFT) + if (base->index < HRTIMER_BASE_MONOTONIC_SOFT) continue; if (cpu_base->softirq_activated) continue;