From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 30 Jan 2008 12:32:38 +0000 (+0100)
Subject: x86: lfence fix
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=6d5f718a497375f853d90247f5f6963368e89803;p=deliverable%2Flinux.git

x86: lfence fix

LFENCE is available on XMM2 or higher Intel CPUs - not XMM or higher...

this caused boot failures on XMM1 & !XMM1 capable CPUs.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 0a4abdb61ae4..5731de3e1bd1 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -203,7 +203,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
 	}
 #endif
 
-	if (cpu_has_xmm)
+	if (cpu_has_xmm2)
 		set_bit(X86_FEATURE_LFENCE_RDTSC, c->x86_capability);
 	if (c->x86 == 15) {
 		set_bit(X86_FEATURE_P4, c->x86_capability);