diff options
Diffstat (limited to 'debian/patches-rt/0002-hrtimer-Don-t-grab-the-expiry-lock-for-non-soft-hrti.patch')
-rw-r--r-- | debian/patches-rt/0002-hrtimer-Don-t-grab-the-expiry-lock-for-non-soft-hrti.patch | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/debian/patches-rt/0002-hrtimer-Don-t-grab-the-expiry-lock-for-non-soft-hrti.patch b/debian/patches-rt/0002-hrtimer-Don-t-grab-the-expiry-lock-for-non-soft-hrti.patch deleted file mode 100644 index 63f20d98a..000000000 --- a/debian/patches-rt/0002-hrtimer-Don-t-grab-the-expiry-lock-for-non-soft-hrti.patch +++ /dev/null @@ -1,31 +0,0 @@ -From: Julien Grall <julien.grall@arm.com> -Date: Wed, 21 Aug 2019 10:24:08 +0100 -Subject: [PATCH 2/3] hrtimer: Don't grab the expiry lock for non-soft hrtimer -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2.17-rt9.tar.xz - -Acquiring the lock in hrtimer_grab_expiry_lock() is designed for -sleeping-locks and should not be used with disabled interrupts. -hrtimer_cancel() may invoke hrtimer_grab_expiry_lock() also for locks -which expire in hard-IRQ context. - -Let hrtimer_cancel() invoke hrtimer_grab_expiry_lock() only for locks -which expire in softirq context. - -Signed-off-by: Julien Grall <julien.grall@arm.com> -[bigeasy: rewrite changelog] -Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> ---- - kernel/time/hrtimer.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/kernel/time/hrtimer.c -+++ b/kernel/time/hrtimer.c -@@ -934,7 +934,7 @@ void hrtimer_grab_expiry_lock(const stru - { - struct hrtimer_clock_base *base = READ_ONCE(timer->base); - -- if (base && base->cpu_base) { -+ if (timer->is_soft && base && base->cpu_base) { - spin_lock(&base->cpu_base->softirq_expiry_lock); - spin_unlock(&base->cpu_base->softirq_expiry_lock); - } |