From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 23 Mar 2006 10:59:52 +0000 (-0800)
Subject: [PATCH] x86: cpuid.4 doesn't need cpu level 5
X-Git-Tag: v2.6.17-rc1~1085
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f2d0d263b51d13efe55f0aae9254b69ba2855f1c;p=linux-2.6

[PATCH] x86: cpuid.4 doesn't need cpu level 5

Detecting cache line using cpuid.4, cpuid level 4 is enough.

Signed-off-by: Shaohua Li<shaohua.li@intel.com>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: "Seth, Rohit" <rohit.seth@intel.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index 36c9b37066..ce61921369 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -174,7 +174,7 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c)
 	unsigned int new_l1d = 0, new_l1i = 0; /* Cache sizes from cpuid(4) */
 	unsigned int new_l2 = 0, new_l3 = 0, i; /* Cache sizes from cpuid(4) */
 
-	if (c->cpuid_level > 4) {
+	if (c->cpuid_level > 3) {
 		static int is_initialized;
 
 		if (is_initialized == 0) {