[PATCH -next] x86, msr: Make symbol 'msr_read' and 'msr_write' static

[Zhao Xuehui]

The symbol 'msr_read' and 'msr_write' are not used outside of msr.c, so this
commit marks them static.

Signed-off-by: Zhao Xuehui <zhaoxuehui1@xxxxxxxxxx>
---
 arch/x86/lib/msr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/lib/msr.c b/arch/x86/lib/msr.c
index 3bd905e10ee2..b09cd2ad426c 100644
--- a/arch/x86/lib/msr.c
+++ b/arch/x86/lib/msr.c
@@ -36,7 +36,7 @@ EXPORT_SYMBOL(msrs_free);
  * argument @m.
  *
  */
-int msr_read(u32 msr, struct msr *m)
+static int msr_read(u32 msr, struct msr *m)
 {
 	int err;
 	u64 val;
@@ -54,7 +54,7 @@ int msr_read(u32 msr, struct msr *m)
  * @msr: MSR to write
  * @m: value to write
  */
-int msr_write(u32 msr, struct msr *m)
+static int msr_write(u32 msr, struct msr *m)
 {
 	return wrmsrl_safe(msr, m->q);
 }