diff options
Diffstat (limited to 'debian/patches-rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch')
| -rw-r--r-- | debian/patches-rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/debian/patches-rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch b/debian/patches-rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch index 2aff59846..cc3af2688 100644 --- a/debian/patches-rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch +++ b/debian/patches-rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch @@ -1,7 +1,7 @@ From: Thomas Gleixner <tglx@linutronix.de> Date: Fri, 3 Jul 2009 08:44:56 -0500 Subject: signals: Allow rt tasks to cache one sigqueue struct -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 To avoid allocation allow rt tasks to cache one sigqueue struct in task struct. @@ -18,7 +18,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- a/include/linux/sched.h +++ b/include/linux/sched.h -@@ -889,6 +889,8 @@ struct task_struct { +@@ -935,6 +935,8 @@ struct task_struct { /* Signal handlers: */ struct signal_struct *signal; struct sighand_struct *sighand; @@ -50,7 +50,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- a/kernel/fork.c +++ b/kernel/fork.c -@@ -1932,6 +1932,7 @@ static __latent_entropy struct task_stru +@@ -1924,6 +1924,7 @@ static __latent_entropy struct task_stru spin_lock_init(&p->alloc_lock); init_sigpending(&p->pending); @@ -68,7 +68,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> #include <linux/file.h> #include <linux/fs.h> #include <linux/proc_fs.h> -@@ -398,13 +399,30 @@ void task_join_group_stop(struct task_st +@@ -403,13 +404,30 @@ void task_join_group_stop(struct task_st } } @@ -100,7 +100,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> { struct sigqueue *q = NULL; struct user_struct *user; -@@ -421,7 +439,10 @@ static struct sigqueue * +@@ -426,7 +444,10 @@ static struct sigqueue * if (override_rlimit || atomic_read(&user->sigpending) <= task_rlimit(t, RLIMIT_SIGPENDING)) { @@ -112,7 +112,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> } else { print_dropped_signal(sig); } -@@ -438,6 +459,13 @@ static struct sigqueue * +@@ -443,6 +464,13 @@ static struct sigqueue * return q; } @@ -126,7 +126,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> static void __sigqueue_free(struct sigqueue *q) { if (q->flags & SIGQUEUE_PREALLOC) -@@ -447,6 +475,21 @@ static void __sigqueue_free(struct sigqu +@@ -452,6 +480,21 @@ static void __sigqueue_free(struct sigqu kmem_cache_free(sigqueue_cachep, q); } @@ -148,7 +148,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> void flush_sigqueue(struct sigpending *queue) { struct sigqueue *q; -@@ -460,6 +503,21 @@ void flush_sigqueue(struct sigpending *q +@@ -465,6 +508,21 @@ void flush_sigqueue(struct sigpending *q } /* @@ -170,7 +170,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> * Flush all pending signals for this kthread. */ void flush_signals(struct task_struct *t) -@@ -583,7 +641,7 @@ static void collect_signal(int sig, stru +@@ -588,7 +646,7 @@ static void collect_signal(int sig, stru (info->si_code == SI_TIMER) && (info->si_sys_private); @@ -179,7 +179,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> } else { /* * Ok, it wasn't in the queue. This must be -@@ -620,6 +678,8 @@ int dequeue_signal(struct task_struct *t +@@ -625,6 +683,8 @@ int dequeue_signal(struct task_struct *t bool resched_timer = false; int signr; @@ -188,7 +188,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> /* We only dequeue private signals from ourselves, we don't let * signalfd steal them */ -@@ -1800,7 +1860,8 @@ EXPORT_SYMBOL(kill_pid); +@@ -1833,7 +1893,8 @@ EXPORT_SYMBOL(kill_pid); */ struct sigqueue *sigqueue_alloc(void) { |