X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-i386%2Ftimex.h;h=3666044409f06c6c2ec0c1ee6ba45d9dbeb1cd50;hb=89661adaaee2f85116b399e642129ccd4dafd195;hp=d434984303ca35f15556bbb8f2bee352a1c48cf3;hpb=077e98945db7e54a9865b5f29a1f02f531eca414;p=powerpc.git diff --git a/include/asm-i386/timex.h b/include/asm-i386/timex.h index d434984303..3666044409 100644 --- a/include/asm-i386/timex.h +++ b/include/asm-i386/timex.h @@ -7,6 +7,7 @@ #define _ASMi386_TIMEX_H #include +#include #ifdef CONFIG_X86_ELAN # define CLOCK_TICK_RATE 1189200 /* AMD Elan has different frequency! */ @@ -15,39 +16,6 @@ #endif -/* - * Standard way to access the cycle counter on i586+ CPUs. - * Currently only used on SMP. - * - * If you really have a SMP machine with i486 chips or older, - * compile for that, and this will just always return zero. - * That's ok, it just means that the nicer scheduling heuristics - * won't work for you. - * - * We only use the low 32 bits, and we'd simply better make sure - * that we reschedule before that wraps. Scheduling at least every - * four billion cycles just basically sounds like a good idea, - * regardless of how fast the machine is. - */ -typedef unsigned long long cycles_t; - -static inline cycles_t get_cycles (void) -{ - unsigned long long ret=0; - -#ifndef CONFIG_X86_TSC - if (!cpu_has_tsc) - return 0; -#endif - -#if defined(CONFIG_X86_GENERIC) || defined(CONFIG_X86_TSC) - rdtscll(ret); -#endif - return ret; -} - -extern unsigned int cpu_khz; - extern int read_current_timer(unsigned long *timer_value); #define ARCH_HAS_READ_CURRENT_TIMER 1