diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-24 12:48:46 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-24 12:48:46 +0200 |
commit | 8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch) | |
tree | d535f46a917e14e90deccb29ad00aac016ad18dd /include/asm-x86/tsc.h | |
parent | 4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff) | |
parent | 57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff) |
Merge commit 'v2.6.28-rc1' into sched/urgent
Diffstat (limited to 'include/asm-x86/tsc.h')
-rw-r--r-- | include/asm-x86/tsc.h | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h deleted file mode 100644 index ad0f5c41e78..00000000000 --- a/include/asm-x86/tsc.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * x86 TSC related functions - */ -#ifndef ASM_X86__TSC_H -#define ASM_X86__TSC_H - -#include <asm/processor.h> - -#define NS_SCALE 10 /* 2^10, carefully chosen */ -#define US_SCALE 32 /* 2^32, arbitralrily chosen */ - -/* - * Standard way to access the cycle counter. - */ -typedef unsigned long long cycles_t; - -extern unsigned int cpu_khz; -extern unsigned int tsc_khz; - -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 shouldnt - * 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(); -} - -extern void tsc_init(void); -extern void mark_tsc_unstable(char *reason); -extern int unsynchronized_tsc(void); -int check_tsc_unstable(void); - -/* - * Boot-time check whether the TSCs are synchronized across - * all CPUs/cores: - */ -extern void check_tsc_sync_source(int cpu); -extern void check_tsc_sync_target(void); - -extern int notsc_setup(char *); - -#endif /* ASM_X86__TSC_H */ |