From ee863ba7ab3d3ed8a9585d378aae69d1e3e9f1b4 Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Tue, 10 Jun 2008 16:04:30 +0200 Subject: [PATCH] x86: unconditionally enable PAT for AMD CPUs If PAT support is advertised it should just work. No errata known. Signed-off-by: Andreas Herrmann Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/addon_cpuid_features.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c index d8b3e4a9d663..0fbd06241e07 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;