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authorAndreas Herrmann <andreas.herrmann3@amd.com>2008-06-10 16:04:30 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-12 10:14:20 +0200
commitee863ba7ab3d3ed8a9585d378aae69d1e3e9f1b4 (patch)
treed24110f9640b6efc1dfdd1499a73c1bf7524aefd /arch/x86/kernel/cpu
parentc26421d01986e1521043c8feb47256833df3bf31 (diff)
x86: unconditionally enable PAT for AMD CPUs
If PAT support is advertised it should just work. No errata known. Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu')
-rw-r--r--arch/x86/kernel/cpu/addon_cpuid_features.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index d8b3e4a9d66..0fbd06241e0 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -54,14 +54,11 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
void __cpuinit validate_pat_support(struct cpuinfo_x86 *c)
{
switch (c->x86_vendor) {
- case X86_VENDOR_AMD:
- if (c->x86 >= 0xf && c->x86 <= 0x11)
- return;
- break;
case X86_VENDOR_INTEL:
if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
return;
break;
+ case X86_VENDOR_AMD:
case X86_VENDOR_CENTAUR:
case X86_VENDOR_TRANSMETA:
return;