diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-07-27 00:54:47 -0700 |
---|---|---|
committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-07-27 00:54:47 -0700 |
commit | aa7eb8e78d8ecd6cd0475d86ea8385ff9cb47ece (patch) | |
tree | 3f9e98fadd5124fb05e8f6f9b06aa23698d4f215 /arch/x86/kernel/tsc.c | |
parent | cca8edfd2ec2a34d9f50f593bc753bb11e1bc1f5 (diff) | |
parent | 3c6b50141ef9f0a8844bf1357b80c0cdf518bf05 (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/x86/kernel/tsc.c')
-rw-r--r-- | arch/x86/kernel/tsc.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 9335bf7dd2e7..6cc6922262af 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -763,25 +763,6 @@ static cycle_t read_tsc(struct clocksource *cs) ret : clocksource_tsc.cycle_last; } -#ifdef CONFIG_X86_64 -static cycle_t __vsyscall_fn vread_tsc(void) -{ - cycle_t ret; - - /* - * 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(); - ret = (cycle_t)vget_cycles(); - rdtsc_barrier(); - - return ret >= __vsyscall_gtod_data.clock.cycle_last ? - ret : __vsyscall_gtod_data.clock.cycle_last; -} -#endif - static void resume_tsc(struct clocksource *cs) { clocksource_tsc.cycle_last = 0; |