From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: Ingo Molnar <mingo@elte.hu>,
akpm@linux-foundation.org,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
Ralf Baechle <ralf@linux-mips.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [patch 15/17] MIPS create empty sync_core()
Date: Wed, 26 Nov 2008 07:43:01 -0500 [thread overview]
Message-ID: <20081126124636.720939952@polymtl.ca> (raw)
In-Reply-To: 20081126124246.800751190@polymtl.ca
[-- Attachment #1: mips-create-empty-sync_core.patch --]
[-- Type: text/plain, Size: 1009 bytes --]
Needed by architecture-independant tsc-sync.c.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: Ralf Baechle <ralf@linux-mips.org>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/mips/include/asm/barrier.h | 6 ++++++
1 file changed, 6 insertions(+)
Index: linux.trees.git/arch/mips/include/asm/barrier.h
===================================================================
--- linux.trees.git.orig/arch/mips/include/asm/barrier.h 2008-11-12 18:15:47.000000000 -0500
+++ linux.trees.git/arch/mips/include/asm/barrier.h 2008-11-26 06:57:50.000000000 -0500
@@ -152,4 +152,10 @@
#define smp_llsc_rmb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory")
#define smp_llsc_wmb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory")
+/*
+ * MIPS does not have any instruction to serialize instruction execution on the
+ * core.
+ */
+#define sync_core()
+
#endif /* __ASM_BARRIER_H */
--
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2008-11-26 12:58 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-26 12:42 [patch 00/17] Trace Clock v4 Mathieu Desnoyers
2008-11-26 12:42 ` [patch 01/17] get_cycles() : kconfig HAVE_GET_CYCLES Mathieu Desnoyers
2008-11-26 12:42 ` [patch 02/17] get_cycles() : x86 HAVE_GET_CYCLES Mathieu Desnoyers
2008-11-26 12:42 ` [patch 03/17] get_cycles() : sparc64 HAVE_GET_CYCLES Mathieu Desnoyers
2008-11-26 12:42 ` [patch 04/17] get_cycles() : powerpc64 HAVE_GET_CYCLES Mathieu Desnoyers
2008-11-26 12:42 ` [patch 05/17] MIPS : export hpt frequency for get_cycles Mathieu Desnoyers
2008-11-26 12:42 ` [patch 06/17] get_cycles() : MIPS HAVE_GET_CYCLES_32 Mathieu Desnoyers
2008-11-26 12:42 ` [patch 07/17] Trace clock core Mathieu Desnoyers
2008-11-26 12:42 ` [patch 08/17] Trace clock generic Mathieu Desnoyers
2008-11-26 12:42 ` [patch 09/17] Powerpc : Trace clock Mathieu Desnoyers
2008-11-26 12:42 ` [patch 10/17] Sparc64 " Mathieu Desnoyers
2008-11-26 12:42 ` [patch 11/17] LTTng timestamp sh Mathieu Desnoyers
2008-11-26 12:42 ` Mathieu Desnoyers
2008-11-26 12:42 ` [patch 12/17] LTTng - TSC synchronicity test Mathieu Desnoyers
2008-11-26 12:42 ` [patch 13/17] x86 : remove arch-specific tsc_sync.c Mathieu Desnoyers
2008-11-26 12:43 ` [patch 14/17] MIPS use tsc_sync.c Mathieu Desnoyers
2008-11-26 12:43 ` Mathieu Desnoyers [this message]
2008-11-26 12:43 ` [patch 16/17] MIPS : Trace clock Mathieu Desnoyers
2008-11-26 12:43 ` [patch 17/17] x86 trace clock Mathieu Desnoyers
2008-11-26 17:32 ` Andi Kleen
2008-11-28 14:17 ` Mathieu Desnoyers
-- strict thread matches above, loose matches on Subject: below --
2008-11-12 23:15 [patch 00/17] Trace Clock v3 Mathieu Desnoyers
2008-11-12 23:16 ` [patch 15/17] MIPS create empty sync_core() Mathieu Desnoyers
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