From: Dave Jones <davej@redhat.com>
Date: Thu, 22 May 2008 17:02:23 +0000 (-0400)
Subject: x86: Add Centaur and Transmeta CPUs to PAT whitelist
X-Git-Tag: v2.6.27-rc1~1106^2~251^18~16
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=873b274a41c0cfe58b2eb0a7722424eb367b905b;p=linux-2.6-omap-h63xx.git

x86: Add Centaur and Transmeta CPUs to PAT whitelist

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>
---

diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index c2e1ce33c7c..d8b3e4a9d66 100644
--- 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 ?