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| author | Ingo Molnar <mingo@kernel.org> | 2015-09-13 11:25:35 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-09-13 11:25:35 +0200 |
| commit | d2bb1d42b95fa88f092623bbb8ed533f316b6a3c (patch) | |
| tree | fb796db809a266906fa358f24f1c07ced4df33f0 /arch/x86/include/asm/tsc.h | |
| parent | Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
| parent | Linux 4.3-rc1 (diff) | |
| download | linux-d2bb1d42b95fa88f092623bbb8ed533f316b6a3c.tar.xz linux-d2bb1d42b95fa88f092623bbb8ed533f316b6a3c.zip | |
Merge tag 'v4.3-rc1' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/tsc.h')
| -rw-r--r-- | arch/x86/include/asm/tsc.h | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h index aad56eb3bbe2..6d7c5479bcea 100644 --- a/arch/x86/include/asm/tsc.h +++ b/arch/x86/include/asm/tsc.h @@ -21,28 +21,12 @@ extern void disable_TSC(void); static inline cycles_t get_cycles(void) { - unsigned long long ret = 0; - #ifndef CONFIG_X86_TSC if (!cpu_has_tsc) return 0; #endif - rdtscll(ret); - - return ret; -} -static __always_inline cycles_t vget_cycles(void) -{ - /* - * We only do VDSOs on TSC capable CPUs, so this shouldn't - * access boot_cpu_data (which is not VDSO-safe): - */ -#ifndef CONFIG_X86_TSC - if (!cpu_has_tsc) - return 0; -#endif - return (cycles_t)__native_read_tsc(); + return rdtsc(); } extern void tsc_init(void); |