[PATCH] x86: cpuid.4 doesn't need cpu level 5
Shaohua Li [Thu, 23 Mar 2006 10:59:52 +0000 (02:59 -0800)]
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>

arch/i386/kernel/cpu/intel_cacheinfo.c

index 36c9b37..ce61921 100644 (file)
@@ -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) {