1 files changed, 15 insertions, 0 deletions

diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index f98bd6625318..b59827e76529 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -1,6 +1,21 @@
 #ifndef _ASM_X86_MICROCODE_H
 #define _ASM_X86_MICROCODE_H
 
+#define native_rdmsr(msr, val1, val2)                   \
+do {                                                    \
+        u64 __val = native_read_msr((msr));             \
+        (void)((val1) = (u32)__val);                    \
+        (void)((val2) = (u32)(__val >> 32));            \
+} while (0)
+
+#define native_wrmsr(msr, low, high)                    \
+        native_write_msr(msr, low, high)
+
+#define native_wrmsrl(msr, val)                         \
+        native_write_msr((msr),                         \
+                         (u32)((u64)(val)),             \
+                         (u32)((u64)(val) >> 32))
+
 struct cpu_signature {
         unsigned int sig;
         unsigned int pf;