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Groups > linux.kernel > #1441576
| From | Steven Rostedt <rostedt@goodmis.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH RT 07/11] locallock: add local_lock_on() |
| Date | 2016-07-12 19:00 +0200 |
| Message-ID | <rU9cm-7AG-39@gated-at.bofh.it> (permalink) |
| References | <rU9cl-7AG-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
3.12.61-rt82-rc1 stable review patch.
If anyone has any objections, please let me know.
------------------
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
include/linux/locallock.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/locallock.h b/include/linux/locallock.h
index 21653e9bfa20..015271ff8ec8 100644
--- a/include/linux/locallock.h
+++ b/include/linux/locallock.h
@@ -66,6 +66,9 @@ static inline void __local_lock(struct local_irq_lock *lv)
#define local_lock(lvar) \
do { __local_lock(&get_local_var(lvar)); } while (0)
+#define local_lock_on(lvar, cpu) \
+ do { __local_lock(&per_cpu(lvar, cpu)); } while (0)
+
static inline int __local_trylock(struct local_irq_lock *lv)
{
if (lv->owner != current && spin_trylock_local(&lv->lock)) {
@@ -104,6 +107,9 @@ static inline void __local_unlock(struct local_irq_lock *lv)
put_local_var(lvar); \
} while (0)
+#define local_unlock_on(lvar, cpu) \
+ do { __local_unlock(&per_cpu(lvar, cpu)); } while (0)
+
static inline void __local_lock_irq(struct local_irq_lock *lv)
{
spin_lock_irqsave(&lv->lock, lv->flags);
--
2.8.1
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[PATCH RT 00/11] Linux 3.12.61-rt82-rc1 Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 10/11] x86: Fix an RT MCE crash Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 11/11] Linux 3.12.61-rt82-rc1 Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 07/11] locallock: add local_lock_on() Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 08/11] mm: perform lru_add_drain_all() remotely Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 06/11] arm: lazy preempt: correct resched condition Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 09/11] trace: correct off by one while recording the trace-event Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 01/11] kvm, rt: change async pagefault code locking for PREEMPT_RT Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 03/11] list_bl: fixup bogus lockdep warning Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 [PATCH RT 02/11] net: dev: always take qdiscs busylock in __dev_xmit_skb() Steven Rostedt <rostedt@goodmis.org> - 2016-07-12 19:00 +0200 Linux 3.12.61-rt82-rc2 Steven Rostedt <rostedt@goodmis.org> - 2016-07-13 01:30 +0200
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