diff options
Diffstat (limited to 'debian/patches-rt/0190-workqueue-Use-normal-rcu.patch')
| -rw-r--r-- | debian/patches-rt/0190-workqueue-Use-normal-rcu.patch | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/debian/patches-rt/0190-workqueue-Use-normal-rcu.patch b/debian/patches-rt/0190-workqueue-Use-normal-rcu.patch index da306db75..6e3b1f2b5 100644 --- a/debian/patches-rt/0190-workqueue-Use-normal-rcu.patch +++ b/debian/patches-rt/0190-workqueue-Use-normal-rcu.patch @@ -1,7 +1,7 @@ From: Thomas Gleixner <tglx@linutronix.de> Date: Wed, 24 Jul 2013 15:26:54 +0200 -Subject: [PATCH 190/342] workqueue: Use normal rcu -Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=320456e9c705d27e54f3896084adce4fc4930f86 +Subject: [PATCH 190/351] workqueue: Use normal rcu +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=cee67a8812386cf151098b840ad3f043ec198571 There is no need for sched_rcu. The undocumented reason why sched_rcu is used is to avoid a few explicit rcu_read_lock()/unlock() pairs by @@ -14,7 +14,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 1 file changed, 52 insertions(+), 43 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c -index b1bb6cb5802e..3e2f67b77ab8 100644 +index 4ea2f7fd20ce..d002a0ab68d6 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -128,7 +128,7 @@ enum { @@ -210,7 +210,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 return false; } -@@ -3350,7 +3355,7 @@ static void rcu_free_pool(struct rcu_head *rcu) +@@ -3348,7 +3353,7 @@ static void rcu_free_pool(struct rcu_head *rcu) * put_unbound_pool - put a worker_pool * @pool: worker_pool to put * @@ -219,7 +219,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 * safe manner. get_unbound_pool() calls this function on its failure path * and this function should be able to release pools which went through, * successfully or not, init_worker_pool(). -@@ -3404,8 +3409,8 @@ static void put_unbound_pool(struct worker_pool *pool) +@@ -3402,8 +3407,8 @@ static void put_unbound_pool(struct worker_pool *pool) del_timer_sync(&pool->idle_timer); del_timer_sync(&pool->mayday_timer); @@ -230,7 +230,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 } /** -@@ -3518,14 +3523,14 @@ static void pwq_unbound_release_workfn(struct work_struct *work) +@@ -3516,14 +3521,14 @@ static void pwq_unbound_release_workfn(struct work_struct *work) put_unbound_pool(pool); mutex_unlock(&wq_pool_mutex); @@ -247,7 +247,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 } /** -@@ -4232,7 +4237,7 @@ void destroy_workqueue(struct workqueue_struct *wq) +@@ -4230,7 +4235,7 @@ void destroy_workqueue(struct workqueue_struct *wq) * The base ref is never dropped on per-cpu pwqs. Directly * schedule RCU free. */ @@ -256,7 +256,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 } else { /* * We're the sole accessor of @wq at this point. Directly -@@ -4342,7 +4347,8 @@ bool workqueue_congested(int cpu, struct workqueue_struct *wq) +@@ -4340,7 +4345,8 @@ bool workqueue_congested(int cpu, struct workqueue_struct *wq) struct pool_workqueue *pwq; bool ret; @@ -266,7 +266,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 if (cpu == WORK_CPU_UNBOUND) cpu = smp_processor_id(); -@@ -4353,7 +4359,8 @@ bool workqueue_congested(int cpu, struct workqueue_struct *wq) +@@ -4351,7 +4357,8 @@ bool workqueue_congested(int cpu, struct workqueue_struct *wq) pwq = unbound_pwq_by_node(wq, cpu_to_node(cpu)); ret = !list_empty(&pwq->delayed_works); @@ -276,7 +276,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 return ret; } -@@ -4379,15 +4386,15 @@ unsigned int work_busy(struct work_struct *work) +@@ -4377,15 +4384,15 @@ unsigned int work_busy(struct work_struct *work) if (work_pending(work)) ret |= WORK_BUSY_PENDING; @@ -296,7 +296,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 return ret; } -@@ -4572,7 +4579,7 @@ void show_workqueue_state(void) +@@ -4570,7 +4577,7 @@ void show_workqueue_state(void) unsigned long flags; int pi; @@ -305,7 +305,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 pr_info("Showing busy workqueues and worker pools:\n"); -@@ -4637,7 +4644,7 @@ void show_workqueue_state(void) +@@ -4635,7 +4642,7 @@ void show_workqueue_state(void) touch_nmi_watchdog(); } @@ -314,7 +314,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 } /* used to show worker information through /proc/PID/{comm,stat,status} */ -@@ -5024,16 +5031,16 @@ bool freeze_workqueues_busy(void) +@@ -5022,16 +5029,16 @@ bool freeze_workqueues_busy(void) * nr_active is monotonically decreasing. It's safe * to peek without lock. */ @@ -334,7 +334,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 } out_unlock: mutex_unlock(&wq_pool_mutex); -@@ -5235,7 +5242,8 @@ static ssize_t wq_pool_ids_show(struct device *dev, +@@ -5233,7 +5240,8 @@ static ssize_t wq_pool_ids_show(struct device *dev, const char *delim = ""; int node, written = 0; @@ -344,7 +344,7 @@ index b1bb6cb5802e..3e2f67b77ab8 100644 for_each_node(node) { written += scnprintf(buf + written, PAGE_SIZE - written, "%s%d:%d", delim, node, -@@ -5243,7 +5251,8 @@ static ssize_t wq_pool_ids_show(struct device *dev, +@@ -5241,7 +5249,8 @@ static ssize_t wq_pool_ids_show(struct device *dev, delim = " "; } written += scnprintf(buf + written, PAGE_SIZE - written, "\n"); |