From: "H. Peter Anvin" <hpa@linux.intel.com>
To: linux-kernel@vger.kernel.org
Cc: Jason Baron <jbaron@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
tglx@linutronix.de, mingo@elte.hu,
"H. Peter Anvin" <hpa@linux.intel.com>,
Christoph Lameter <cl@linux-foundation.org>,
Tejun Heo <tj@kernel.org>
Subject: [PATCH 1/3] x86, percpu: Use ASM_NOP4 instead of hardcoding P6_NOP4
Date: Mon, 18 Apr 2011 15:35:58 -0700 [thread overview]
Message-ID: <1303166160-10315-2-git-send-email-hpa@linux.intel.com> (raw)
In-Reply-To: <1303166160-10315-1-git-send-email-hpa@linux.intel.com>
For use in assembly constants, use the ASM_NOP* defines.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>
---
arch/x86/include/asm/percpu.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index d475b43..751e7f3 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -517,7 +517,7 @@ do { \
typeof(o2) __o2 = o2; \
typeof(o2) __n2 = n2; \
typeof(o2) __dummy; \
- alternative_io("call this_cpu_cmpxchg16b_emu\n\t" P6_NOP4, \
+ alternative_io("call this_cpu_cmpxchg16b_emu\n\t" ASM_NOP4, \
"cmpxchg16b " __percpu_prefix "(%%rsi)\n\tsetz %0\n\t", \
X86_FEATURE_CX16, \
ASM_OUTPUT2("=a"(__ret), "=d"(__dummy)), \
--
1.7.3.4
next prev parent reply other threads:[~2011-04-18 22:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-18 22:35 [RFC PATCHSET] x86, cpu: Clean up and unify the NOP selection infrastructure H. Peter Anvin
2011-04-18 22:35 ` H. Peter Anvin [this message]
2011-04-19 1:01 ` [tip:x86/cpu] x86, percpu: Use ASM_NOP4 instead of hardcoding P6_NOP4 tip-bot for H. Peter Anvin
2011-04-18 22:35 ` [PATCH 2/3] x86, cpu: Clean up and unify the NOP selection infrastructure H. Peter Anvin
2011-04-18 23:31 ` Steven Rostedt
2011-04-18 23:39 ` H. Peter Anvin
2011-04-18 23:58 ` Steven Rostedt
2011-04-19 1:01 ` [tip:x86/cpu] " tip-bot for H. Peter Anvin
2011-04-18 22:36 ` [PATCH 3/3] x86, cpu: Change NOP selection for certain Intel CPUs H. Peter Anvin
2011-04-18 23:34 ` Steven Rostedt
2011-04-19 1:02 ` [tip:x86/cpu] " tip-bot for H. Peter Anvin
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