7 files changed, 25 insertions, 4 deletions

diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index 815a5f0aa47..c7ba455d5ac 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -231,6 +231,9 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 
 	switch (c->x86) {
 	case 15:
+	/* Use K8 tuning for Fam10h and Fam11h */
+	case 0x10:
+	case 0x11:
 		set_bit(X86_FEATURE_K8, c->x86_capability);
 		break;
 	case 6:
diff --git a/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c b/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
index 194144539a6..461dabc4e49 100644
--- a/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
+++ b/arch/i386/kernel/cpu/cpufreq/gx-suspmod.c
@@ -79,7 +79,7 @@
 #include <linux/smp.h>
 #include <linux/cpufreq.h>
 #include <linux/pci.h>
-#include <asm/processor.h>
+#include <asm/processor-cyrix.h>
 #include <asm/errno.h>
 
 /* PCI config registers, all at F0 */
diff --git a/arch/i386/kernel/cpu/cyrix.c b/arch/i386/kernel/cpu/cyrix.c
index e88d2fba156..122d2d75aa9 100644
--- a/arch/i386/kernel/cpu/cyrix.c
+++ b/arch/i386/kernel/cpu/cyrix.c
@@ -4,7 +4,7 @@
 #include <linux/pci.h>
 #include <asm/dma.h>
 #include <asm/io.h>
-#include <asm/processor.h>
+#include <asm/processor-cyrix.h>
 #include <asm/timer.h>
 #include <asm/pci-direct.h>
 #include <asm/tsc.h>
diff --git a/arch/i386/kernel/cpu/mcheck/mce.c b/arch/i386/kernel/cpu/mcheck/mce.c
index 56cd485b127..34c781eddee 100644
--- a/arch/i386/kernel/cpu/mcheck/mce.c
+++ b/arch/i386/kernel/cpu/mcheck/mce.c
@@ -60,6 +60,20 @@ void mcheck_init(struct cpuinfo_x86 *c)
 	}
 }
 
+static unsigned long old_cr4 __initdata;
+
+void __init stop_mce(void)
+{
+	old_cr4 = read_cr4();
+	clear_in_cr4(X86_CR4_MCE);
+}
+
+void __init restart_mce(void)
+{
+	if (old_cr4 & X86_CR4_MCE)
+		set_in_cr4(X86_CR4_MCE);
+}
+
 static int __init mcheck_disable(char *str)
 {
 	mce_disabled = 1;
diff --git a/arch/i386/kernel/cpu/mtrr/cyrix.c b/arch/i386/kernel/cpu/mtrr/cyrix.c
index 1001f1e0fe6..2287d4863a8 100644
--- a/arch/i386/kernel/cpu/mtrr/cyrix.c
+++ b/arch/i386/kernel/cpu/mtrr/cyrix.c
@@ -3,6 +3,7 @@
 #include <asm/mtrr.h>
 #include <asm/msr.h>
 #include <asm/io.h>
+#include <asm/processor-cyrix.h>
 #include "mtrr.h"
 
 int arr3_protected;
diff --git a/arch/i386/kernel/cpu/mtrr/state.c b/arch/i386/kernel/cpu/mtrr/state.c
index 7b39a2f954d..c9014ca4a57 100644
--- a/arch/i386/kernel/cpu/mtrr/state.c
+++ b/arch/i386/kernel/cpu/mtrr/state.c
@@ -3,6 +3,7 @@
 #include <asm/io.h>
 #include <asm/mtrr.h>
 #include <asm/msr.h>
+#include <asm-i386/processor-cyrix.h>
 #include "mtrr.h"
 
 
diff --git a/arch/i386/kernel/cpu/perfctr-watchdog.c b/arch/i386/kernel/cpu/perfctr-watchdog.c
index 30b5e48aa76..4be488e73be 100644
--- a/arch/i386/kernel/cpu/perfctr-watchdog.c
+++ b/arch/i386/kernel/cpu/perfctr-watchdog.c
@@ -325,7 +325,7 @@ static struct wd_ops k7_wd_ops = {
 	.stop = single_msr_stop_watchdog,
 	.perfctr = MSR_K7_PERFCTR0,
 	.evntsel = MSR_K7_EVNTSEL0,
-	.checkbit = 1ULL<<63,
+	.checkbit = 1ULL<<47,
 };
 
 /* Intel Model 6 (PPro+,P2,P3,P-M,Core1) */
@@ -346,7 +346,9 @@ static int setup_p6_watchdog(unsigned nmi_hz)
 	perfctr_msr = MSR_P6_PERFCTR0;
 	evntsel_msr = MSR_P6_EVNTSEL0;
 
-	wrmsrl(perfctr_msr, 0UL);
+	/* KVM doesn't implement this MSR */
+	if (wrmsr_safe(perfctr_msr, 0, 0) < 0)
+		return 0;
 
 	evntsel = P6_EVNTSEL_INT
 		| P6_EVNTSEL_OS