From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
Oleg Nesterov <oleg@tv-sign.ru>,
Steven Rostedt <rostedt@goodmis.org>,
Christoph Lameter <clameter@sgi.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH -rt 4/5] use migrate_disable for __local_begin
Date: Sat, 14 Jul 2007 19:57:37 +0200 [thread overview]
Message-ID: <20070714175840.153584000@chello.nl> (raw)
In-Reply-To: 20070714175733.194012000@chello.nl
[-- Attachment #1: local-no_migrate.patch --]
[-- Type: text/plain, Size: 1381 bytes --]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
include/asm-i386/local.h | 7 ++++---
include/asm-x86_64/local.h | 7 ++++---
2 files changed, 8 insertions(+), 6 deletions(-)
Index: linux-2.6/include/asm-i386/local.h
===================================================================
--- linux-2.6.orig/include/asm-i386/local.h
+++ linux-2.6/include/asm-i386/local.h
@@ -197,11 +197,12 @@ static __inline__ long local_sub_return(
#define __local_begin(__flags) \
{ \
(__flags) = 0; \
- preempt_disable(); \
+ migrate_disable(); \
}
-static inline void __local_end(unsigned long flags) {
- preempt_enable();
+static inline void __local_end(unsigned long flags)
+{
+ migrate_enable();
}
/* On x86, these are no better than the atomic variants. */
Index: linux-2.6/include/asm-x86_64/local.h
===================================================================
--- linux-2.6.orig/include/asm-x86_64/local.h
+++ linux-2.6/include/asm-x86_64/local.h
@@ -186,11 +186,12 @@ static __inline__ long local_sub_return(
#define __local_begin(__flags) \
{ \
(__flags) = 0; \
- preempt_disable(); \
+ migrate_disable(); \
}
-static inline void __local_end(unsigned long flags) {
- preempt_enable();
+static inline void __local_end(unsigned long flags)
+{
+ migrate_enable();
}
#define __local_inc(l) local_inc(l)
--
next prev parent reply other threads:[~2007-07-14 16:02 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-14 17:57 [PATCH -rt 0/5] making SLUB -rt friendly Peter Zijlstra
2007-07-14 17:57 ` [PATCH -rt 1/5] workqueue: queue_work_cpu Peter Zijlstra
2007-07-14 17:14 ` Oleg Nesterov
2007-07-14 18:00 ` Peter Zijlstra
2007-07-14 17:57 ` [PATCH -rt 2/5] Thread Migration Preemption - v2 Peter Zijlstra
2007-07-14 16:49 ` Mathieu Desnoyers
2007-07-14 17:16 ` Oleg Nesterov
2007-07-14 17:34 ` Peter Zijlstra
2007-07-14 18:44 ` Peter Zijlstra
2007-07-14 19:07 ` Peter Zijlstra
2007-07-14 20:39 ` Mathieu Desnoyers
2007-07-14 20:48 ` Oleg Nesterov
2007-07-14 20:53 ` Peter Zijlstra
2007-07-14 17:57 ` [PATCH -rt 3/5] asm/local.h cmpxchg Peter Zijlstra
2007-07-14 16:52 ` Daniel Walker
2007-07-14 17:14 ` Mathieu Desnoyers
2007-07-14 17:31 ` Peter Zijlstra
2007-07-14 18:33 ` Mathieu Desnoyers
2007-07-14 17:57 ` Peter Zijlstra [this message]
2007-07-14 17:16 ` [PATCH -rt 4/5] use migrate_disable for __local_begin Mathieu Desnoyers
2007-07-14 17:32 ` Peter Zijlstra
2007-07-14 18:35 ` Mathieu Desnoyers
2007-07-14 18:41 ` Peter Zijlstra
2007-07-14 18:52 ` Mathieu Desnoyers
2007-07-14 17:57 ` [PATCH -rt 5/5] slub: -rt port Peter Zijlstra
2007-07-14 17:39 ` Oleg Nesterov
2007-07-14 17:50 ` Peter Zijlstra
2007-07-14 19:38 ` Oleg Nesterov
2007-07-14 19:49 ` Peter Zijlstra
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