linux-kernel - [PATCH] [21/36] CPA: Use wbinvd() macro instead of inline assembly in 64bit c_p

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Message-Id: <20080116221520.ABC61150C8@wotan.suse.de>
Date:	Wed, 16 Jan 2008 23:15:20 +0100 (CET)
From:	Andi Kleen <ak@...e.de>
To:	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de,
	jbeulich@...ell.com, venkatesh.pallipadi@...el.com
Subject: [PATCH] [21/36] CPA: Use wbinvd() macro instead of inline assembly in 64bit c_p_a()


Signed-off-by: Andi Kleen <ak@...e.de>
Acked-by: Jan Beulich <jbeulich@...ell.com>

---
 arch/x86/mm/pageattr_64.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux/arch/x86/mm/pageattr_64.c
===================================================================
--- linux.orig/arch/x86/mm/pageattr_64.c
+++ linux/arch/x86/mm/pageattr_64.c
@@ -95,7 +95,7 @@ static void flush_kernel_map(void *arg)
 	/* When clflush is available always use it because it is
 	   much cheaper than WBINVD. */
 	if ((a->full_flush || !cpu_has_clflush) && !cpu_has_ss)
-		asm volatile("wbinvd" ::: "memory");
+		wbinvd();
 	list_for_each_entry(f, &a->l, l) {
 		if (!a->full_flush && !cpu_has_ss)
 			clflush_cache_range((void *)f->addr, PAGE_SIZE);
--
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