[PATCH] x86: rewrite SMP TSC sync code

[sfrench/cifs-2.6.git] / include / asm-x86_64 / timex.h

diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h
index b9e5320b76252f06d86fac9f1ac36eeaaa41233b..a4493a77d64147e649af42fef82c2d140e7ac28a 100644 (file)
--- a/include/asm-x86_64/timex.h
+++ b/include/asm-x86_64/timex.h
@@ -12,35 +12,11 @@
 #include <asm/hpet.h>
 #include <asm/system.h>
 #include <asm/processor.h>
+#include <asm/tsc.h>
 #include <linux/compiler.h>
 
 #define CLOCK_TICK_RATE        PIT_TICK_RATE   /* Underlying HZ */
 
-typedef unsigned long long cycles_t;
-
-static inline cycles_t get_cycles (void)
-{
-       unsigned long long ret;
-
-       rdtscll(ret);
-       return ret;
-}
-
-/* Like get_cycles, but make sure the CPU is synchronized. */
-static __always_inline cycles_t get_cycles_sync(void)
-{
-       unsigned long long ret;
-       unsigned eax;
-       /* Don't do an additional sync on CPUs where we know
-          RDTSC is already synchronous. */
-       alternative_io("cpuid", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
-                         "=a" (eax), "0" (1) : "ebx","ecx","edx","memory");
-       rdtscll(ret);
-       return ret;
-}
-
-extern unsigned int cpu_khz;
-
 extern int read_current_timer(unsigned long *timer_value);
 #define ARCH_HAS_READ_CURRENT_TIMER    1