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x86: Add Centaur and Transmeta CPUs to PAT whitelist
author
Dave Jones
<davej@redhat.com>
Thu, 22 May 2008 17:02:23 +0000
(13:02 -0400)
committer
H. Peter Anvin
<hpa@zytor.com>
Thu, 22 May 2008 20:25:22 +0000
(13:25 -0700)
Unconditionally enable PAT support on Centaur and Transmeta CPUs.
All known models that advertise PAT have no known errata.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/x86/kernel/cpu/addon_cpuid_features.c
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diff --git
a/arch/x86/kernel/cpu/addon_cpuid_features.c
b/arch/x86/kernel/cpu/addon_cpuid_features.c
index
c2e1ce3
..
d8b3e4a
100644
(file)
--- a/
arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/
arch/x86/kernel/cpu/addon_cpuid_features.c
@@
-62,6
+62,9
@@
void __cpuinit validate_pat_support(struct cpuinfo_x86 *c)
if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
return;
break;
+ case X86_VENDOR_CENTAUR:
+ case X86_VENDOR_TRANSMETA:
+ return;
}
pat_disable(cpu_has_pat ?