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| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-09 02:55:21 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-09 02:55:21 +0200 |
| commit | bbb20089a3275a19e475dbc21320c3742e3ca423 (patch) | |
| tree | 216fdc1cbef450ca688135c5b8969169482d9a48 /arch/x86/kernel/vsyscall_64.c | |
| parent | Merge branch 'iop-raid6' into async-tx-next (diff) | |
| parent | dmaengine: Move all map_sg/unmap_sg for slave channel to its client (diff) | |
| download | linux-bbb20089a3275a19e475dbc21320c3742e3ca423.tar.xz linux-bbb20089a3275a19e475dbc21320c3742e3ca423.zip | |
Merge branch 'dmaengine' into async-tx-next
Conflicts:
crypto/async_tx/async_xor.c
drivers/dma/ioat/dma_v2.h
drivers/dma/ioat/pci.c
drivers/md/raid5.c
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) 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; |