1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index 4782be68d0fa..e95c2a655165 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -115,7 +115,7 @@ struct pv_cpu_ops {
         /* MSR, PMC and TSR operations.
            err = 0/-EFAULT.  wrmsr returns 0/-EFAULT. */
         u64 (*read_msr)(unsigned int msr, int *err);
-        int (*write_msr)(unsigned int msr, u64 val);
+        int (*write_msr)(unsigned int msr, unsigned low, unsigned high);
 
         u64 (*read_tsc)(void);
         u64 (*read_pmc)(int counter);