---

yaml --- r: 125237 b: refs/heads/master c: 2c8dcee h: refs/heads/master i: 125235: 7db2ad2 v: v3
git-mirror · Dec 31, 2008 · 4732f8a · 4732f8a
1 parent b6f43fa
commit 4732f8a
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Showing 3 changed files with 16 additions and 6 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 63d1142f8f69e39468bc6079ab2239e902828134
+refs/heads/master: 2c8dceebb238680d5577500f8283397d41ca5590
diff --git a/trunk/arch/x86/include/asm/virtext.h b/trunk/arch/x86/include/asm/virtext.h
@@ -107,4 +107,18 @@ static inline int cpu_has_svm(const char **msg)
 	return 1;
 }
 
+
+/** Disable SVM on the current CPU
+ *
+ * You should call this only if cpu_has_svm() returned true.
+ */
+static inline void cpu_svm_disable(void)
+{
+	uint64_t efer;
+
+	wrmsrl(MSR_VM_HSAVE_PA, 0);
+	rdmsrl(MSR_EFER, efer);
+	wrmsrl(MSR_EFER, efer & ~MSR_EFER_SVME_MASK);
+}
+
 #endif /* _ASM_X86_VIRTEX_H */
diff --git a/trunk/arch/x86/kvm/svm.c b/trunk/arch/x86/kvm/svm.c
@@ -259,11 +259,7 @@ static int has_svm(void)
 
 static void svm_hardware_disable(void *garbage)
 {
-	uint64_t efer;
-
-	wrmsrl(MSR_VM_HSAVE_PA, 0);
-	rdmsrl(MSR_EFER, efer);
-	wrmsrl(MSR_EFER, efer & ~MSR_EFER_SVME_MASK);
+	cpu_svm_disable();
 }
 
 static void svm_hardware_enable(void *garbage)