linux-kernel - [PATCH] x86: Use wbinvd() macro rather than inline assembly

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Message-Id: <1200431631.16794.48.camel@brick>
Date:	Tue, 15 Jan 2008 13:13:51 -0800
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Andi Kleen <ak@...e.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH] x86: Use wbinvd() macro rather than inline assembly

Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
Taken from Andi's CPA 16/31, against x86.git, not sure what
the etiquette is with adding his S-O-B....

 arch/x86/mm/pageattr_64.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c
index bafc0a5..5e0b36e 100644
--- a/arch/x86/mm/pageattr_64.c
+++ b/arch/x86/mm/pageattr_64.c
@@ -86,7 +86,7 @@ static void flush_kernel_map(void *arg)
 	   much cheaper than WBINVD. */
 	/* clflush is still broken. Disable for now. */
 	if (1 || !cpu_has_clflush) {
-		asm volatile("wbinvd" ::: "memory");
+		wbinvd();
 	} else {
 		list_for_each_entry(pg, l, lru) {
 			void *addr = page_address(pg);
-- 
1.5.4.rc2.1164.g6451

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