diff options
Diffstat (limited to 'debian/patches-rt/0257-workqueue-Prevent-deadlock-stall-on-RT.patch')
| -rw-r--r-- | debian/patches-rt/0257-workqueue-Prevent-deadlock-stall-on-RT.patch | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/debian/patches-rt/0257-workqueue-Prevent-deadlock-stall-on-RT.patch b/debian/patches-rt/0257-workqueue-Prevent-deadlock-stall-on-RT.patch index 6fb41c49a..ecade5cd6 100644 --- a/debian/patches-rt/0257-workqueue-Prevent-deadlock-stall-on-RT.patch +++ b/debian/patches-rt/0257-workqueue-Prevent-deadlock-stall-on-RT.patch @@ -1,7 +1,7 @@ From: Thomas Gleixner <tglx@linutronix.de> Date: Fri, 27 Jun 2014 16:24:52 +0200 -Subject: [PATCH 257/353] workqueue: Prevent deadlock/stall on RT -Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=a62b1ced9d802c6c953e854a71ef4c2bfabfb7e1 +Subject: [PATCH 257/354] workqueue: Prevent deadlock/stall on RT +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=78b64dbd9f7ad3fb3e34cca02f8d504f1596ef7e Austin reported a XFS deadlock/stall on RT where scheduled work gets never exececuted and tasks are waiting for each other for ever. @@ -67,7 +67,7 @@ index e581ce1edc12..fd1a7d1ff9f4 100644 * If we are going to sleep and we have plugged IO queued, * make sure to submit it to avoid deadlocks. diff --git a/kernel/workqueue.c b/kernel/workqueue.c -index 7561ac884a3e..cb81c7767b17 100644 +index 21751b94b93a..c148b0b8bda9 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -126,6 +126,11 @@ enum { @@ -114,7 +114,7 @@ index 7561ac884a3e..cb81c7767b17 100644 #ifdef CONFIG_DEBUG_OBJECTS_WORK static struct debug_obj_descr work_debug_descr; -@@ -837,10 +867,16 @@ static struct worker *first_idle_worker(struct worker_pool *pool) +@@ -840,10 +870,16 @@ static struct worker *first_idle_worker(struct worker_pool *pool) */ static void wake_up_worker(struct worker_pool *pool) { @@ -132,7 +132,7 @@ index 7561ac884a3e..cb81c7767b17 100644 } /** -@@ -869,7 +905,7 @@ void wq_worker_running(struct task_struct *task) +@@ -872,7 +908,7 @@ void wq_worker_running(struct task_struct *task) */ void wq_worker_sleeping(struct task_struct *task) { @@ -141,7 +141,7 @@ index 7561ac884a3e..cb81c7767b17 100644 struct worker_pool *pool; /* -@@ -886,26 +922,18 @@ void wq_worker_sleeping(struct task_struct *task) +@@ -889,26 +925,18 @@ void wq_worker_sleeping(struct task_struct *task) return; worker->sleeping = 1; @@ -171,7 +171,7 @@ index 7561ac884a3e..cb81c7767b17 100644 } /** -@@ -1678,7 +1706,9 @@ static void worker_enter_idle(struct worker *worker) +@@ -1681,7 +1709,9 @@ static void worker_enter_idle(struct worker *worker) worker->last_active = jiffies; /* idle_list is LIFO */ @@ -181,7 +181,7 @@ index 7561ac884a3e..cb81c7767b17 100644 if (too_many_workers(pool) && !timer_pending(&pool->idle_timer)) mod_timer(&pool->idle_timer, jiffies + IDLE_WORKER_TIMEOUT); -@@ -1711,7 +1741,9 @@ static void worker_leave_idle(struct worker *worker) +@@ -1714,7 +1744,9 @@ static void worker_leave_idle(struct worker *worker) return; worker_clr_flags(worker, WORKER_IDLE); pool->nr_idle--; @@ -191,7 +191,7 @@ index 7561ac884a3e..cb81c7767b17 100644 } static struct worker *alloc_worker(int node) -@@ -1876,7 +1908,9 @@ static void destroy_worker(struct worker *worker) +@@ -1879,7 +1911,9 @@ static void destroy_worker(struct worker *worker) pool->nr_workers--; pool->nr_idle--; |