x86/msr: Make locally used functions static

The functions msr_read() and msr_write() are not used outside of msr.c,
make them static.

 [ bp: Massage commit message. ]

Signed-off-by: Zhao Xuehui <zhaoxuehui1@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210408095218.152264-1-zhaoxuehui1@huawei.com

1 files 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);
 }