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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-09-13 21:16:56 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-09-13 21:16:56 -0700 |
commit | fc8e1ead9314cf0e0f1922e661428b93d3a50d88 (patch) | |
tree | f3cb97c4769b74f6627a59769f1ed5c92a13c58a /arch/x86/kernel/vsyscall_64.c | |
parent | 2bcaa6a4238094c5695d5b1943078388d82d3004 (diff) | |
parent | 9de48cc300fb10f7d9faa978670becf5e352462a (diff) |
Merge branch 'next' into for-linus
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 44153afc906..25ee06a80aa 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) return; } - /* - * Surround the RDTSC by barriers, to make sure it's not - * speculated to outside the seqlock critical section and - * does not cause time warps: - */ - rdtsc_barrier(); now = vread(); - rdtsc_barrier(); - base = __vsyscall_gtod_data.clock.cycle_last; mask = __vsyscall_gtod_data.clock.mask; mult = __vsyscall_gtod_data.clock.mult; |