diff options
Diffstat (limited to 'debian/patches-rt/rt-introduce-cpu-chill.patch')
| -rw-r--r-- | debian/patches-rt/rt-introduce-cpu-chill.patch | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/debian/patches-rt/rt-introduce-cpu-chill.patch b/debian/patches-rt/rt-introduce-cpu-chill.patch index 44dead0e2..541ac6840 100644 --- a/debian/patches-rt/rt-introduce-cpu-chill.patch +++ b/debian/patches-rt/rt-introduce-cpu-chill.patch @@ -1,7 +1,7 @@ Subject: rt: Introduce cpu_chill() From: Thomas Gleixner <tglx@linutronix.de> Date: Wed, 07 Mar 2012 20:51:03 +0100 -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2.17-rt9.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.4/older/patches-5.4.3-rt1.tar.xz Retry loops on RT might loop forever when the modifying side was preempted. Add cpu_chill() to replace cpu_relax(). cpu_chill() @@ -66,7 +66,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> msleep(seconds * 1000); } -+#ifdef CONFIG_PREEMPT_RT_FULL ++#ifdef CONFIG_PREEMPT_RT +extern void cpu_chill(void); +#else +# define cpu_chill() cpu_relax() @@ -75,11 +75,11 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> #endif /* defined(_LINUX_DELAY_H) */ --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c -@@ -1855,6 +1855,38 @@ SYSCALL_DEFINE2(nanosleep_time32, struct +@@ -1979,6 +1979,38 @@ SYSCALL_DEFINE2(nanosleep_time32, struct } #endif -+#ifdef CONFIG_PREEMPT_RT_FULL ++#ifdef CONFIG_PREEMPT_RT +/* + * Sleep for 1 ms in hope whoever holds what we want will let it go. + */ |