From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org,
linux-rt-users <linux-rt-users@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Carsten Emde <C.Emde@osadl.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
John Kacur <jkacur@redhat.com>,
Paul Gortmaker <paul.gortmaker@windriver.com>
Subject: [PATCH RT 12/15] locallock: add local_lock_on()
Date: Tue, 12 Jul 2016 10:29:19 -0400 [thread overview]
Message-ID: <20160712142920.569513688@goodmis.org> (raw)
In-Reply-To: 20160712142907.636678217@goodmis.org
[-- Attachment #1: 0012-locallock-add-local_lock_on.patch --]
[-- Type: text/plain, Size: 1285 bytes --]
3.18.36-rt38-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
next prev parent reply other threads:[~2016-07-12 14:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-12 14:29 [PATCH RT 00/15] Linux 3.18.36-rt38-rc1 Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 01/15] kvm, rt: change async pagefault code locking for PREEMPT_RT Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 02/15] mm/zsmalloc: Use get/put_cpu_light in zs_map_object()/zs_unmap_object() Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 03/15] net: dev: always take qdiscs busylock in __dev_xmit_skb() Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 04/15] drivers/block/zram: Replace bit spinlocks with rtmutex for -rt Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 05/15] list_bl: fixup bogus lockdep warning Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 06/15] ARM: imx: always use TWD on IMX6Q Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 07/15] drivers/block/zram: fixup compile for !RT Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 08/15] perf/x86/intel/rapl: Make PMU lock raw Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 09/15] sched,preempt: Fix preempt_count manipulations Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 10/15] kernel/printk: Dont try to print from IRQ/NMI region Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 11/15] arm: lazy preempt: correct resched condition Steven Rostedt
2016-07-12 14:29 ` Steven Rostedt [this message]
2016-07-12 14:29 ` [PATCH RT 13/15] mm: perform lru_add_drain_all() remotely Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 14/15] trace: correct off by one while recording the trace-event Steven Rostedt
2016-07-12 14:29 ` [PATCH RT 15/15] Linux 3.18.36-rt38-rc1 Steven Rostedt
2016-07-12 23:20 ` Linux 3.18.36-rt38-rc2 Steven Rostedt
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