diff options
Diffstat (limited to 'debian/patches-rt/sched-rt-mutex-wakeup.patch')
| -rw-r--r-- | debian/patches-rt/sched-rt-mutex-wakeup.patch | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/debian/patches-rt/sched-rt-mutex-wakeup.patch b/debian/patches-rt/sched-rt-mutex-wakeup.patch index 0d46d9395..7fb62d6d7 100644 --- a/debian/patches-rt/sched-rt-mutex-wakeup.patch +++ b/debian/patches-rt/sched-rt-mutex-wakeup.patch @@ -1,7 +1,7 @@ Subject: sched: Add saved_state for tasks blocked on sleeping locks From: Thomas Gleixner <tglx@linutronix.de> Date: Sat, 25 Jun 2011 09:21:04 +0200 -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.0/older/patches-5.0.10-rt7.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2-rt1.tar.xz Spinlocks are state preserving in !RT. RT changes the state when a task gets blocked on a lock. So we need to remember the state before @@ -18,7 +18,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- a/include/linux/sched.h +++ b/include/linux/sched.h -@@ -599,6 +599,8 @@ struct task_struct { +@@ -591,6 +591,8 @@ struct task_struct { #endif /* -1 unrunnable, 0 runnable, >0 stopped: */ volatile long state; @@ -27,7 +27,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> /* * This begins the randomizable portion of task_struct. Only -@@ -1624,6 +1626,7 @@ extern struct task_struct *find_get_task +@@ -1630,6 +1632,7 @@ extern struct task_struct *find_get_task extern int wake_up_state(struct task_struct *tsk, unsigned int state); extern int wake_up_process(struct task_struct *tsk); @@ -37,7 +37,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> #ifdef CONFIG_SMP --- a/kernel/sched/core.c +++ b/kernel/sched/core.c -@@ -2017,8 +2017,27 @@ try_to_wake_up(struct task_struct *p, un +@@ -2033,8 +2033,27 @@ try_to_wake_up(struct task_struct *p, un */ raw_spin_lock_irqsave(&p->pi_lock, flags); smp_mb__after_spinlock(); @@ -66,7 +66,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> trace_sched_waking(p); -@@ -2183,6 +2202,18 @@ int wake_up_process(struct task_struct * +@@ -2149,6 +2168,18 @@ int wake_up_process(struct task_struct * } EXPORT_SYMBOL(wake_up_process); @@ -87,7 +87,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> return try_to_wake_up(p, state, 0); --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h -@@ -1572,6 +1572,7 @@ static inline int task_on_rq_migrating(s +@@ -1591,6 +1591,7 @@ static inline int task_on_rq_migrating(s #define WF_SYNC 0x01 /* Waker goes to sleep after wakeup */ #define WF_FORK 0x02 /* Child wakeup after fork */ #define WF_MIGRATED 0x4 /* Internal use, task got migrated */ |