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 <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
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 bdb30cc5e873e9c2740043499bef44117dc620e5..0e4bc1ca15ff10949ef891a20f46ba46d306dec8 100644 (file)
--- 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;