diff options
Diffstat (limited to 'arch/x86/kernel/vsyscall_64.c')
-rw-r--r-- | arch/x86/kernel/vsyscall_64.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 44153afc9067..25ee06a80aad 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c | |||
@@ -132,15 +132,7 @@ static __always_inline void do_vgettimeofday(struct timeval * tv) | |||
132 | return; | 132 | return; |
133 | } | 133 | } |
134 | 134 | ||
135 | /* | ||
136 | * Surround the RDTSC by barriers, to make sure it's not | ||
137 | * speculated to outside the seqlock critical section and | ||
138 | * does not cause time warps: | ||
139 | */ | ||
140 | rdtsc_barrier(); | ||
141 | now = vread(); | 135 | now = vread(); |
142 | rdtsc_barrier(); | ||
143 | |||
144 | base = __vsyscall_gtod_data.clock.cycle_last; | 136 | base = __vsyscall_gtod_data.clock.cycle_last; |
145 | mask = __vsyscall_gtod_data.clock.mask; | 137 | mask = __vsyscall_gtod_data.clock.mask; |
146 | mult = __vsyscall_gtod_data.clock.mult; | 138 | mult = __vsyscall_gtod_data.clock.mult; |