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-rw-r--r--arch/x86/vdso/vclock_gettime.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c
index e6e9f90a8cd7..a69929e8bfdb 100644
--- a/arch/x86/vdso/vclock_gettime.c
+++ b/arch/x86/vdso/vclock_gettime.c
@@ -180,12 +180,8 @@ notrace time_t __vdso_time(time_t *t)
if (unlikely(!VVAR(vsyscall_gtod_data).sysctl_enabled))
return time_syscall(t);
- do {
- seq = read_seqbegin(&VVAR(vsyscall_gtod_data).lock);
-
- result = VVAR(vsyscall_gtod_data).wall_time_sec;
-
- } while (read_seqretry(&VVAR(vsyscall_gtod_data).lock, seq));
+ /* This is atomic on x86_64 so we don't need any locks. */
+ result = ACCESS_ONCE(VVAR(vsyscall_gtod_data).wall_time_sec);
if (t)
*t = result;
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