[PATCH] time: x86_64: re-enable vsyscall support for x86_64

[safe/jmp/linux-2.6] / include / asm-x86_64 / timex.h

diff --git a/include/asm-x86_64/timex.h b/include/asm-x86_64/timex.h
index 24ecf6a..8c6808a 100644 (file)
--- a/include/asm-x86_64/timex.h
+++ b/include/asm-x86_64/timex.h
@@ -6,29 +6,27 @@
 #ifndef _ASMx8664_TIMEX_H
 #define _ASMx8664_TIMEX_H
 
-#include <linux/config.h>
 #include <asm/8253pit.h>
 #include <asm/msr.h>
 #include <asm/vsyscall.h>
 #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;
-}
-
-extern unsigned int cpu_khz;
-
 extern int read_current_timer(unsigned long *timer_value);
 #define ARCH_HAS_READ_CURRENT_TIMER    1
 
-extern struct vxtime_data vxtime;
+#define USEC_PER_TICK (USEC_PER_SEC / HZ)
+#define NSEC_PER_TICK (NSEC_PER_SEC / HZ)
+#define FSEC_PER_TICK (FSEC_PER_SEC / HZ)
+
+#define NS_SCALE        10 /* 2^10, carefully chosen */
+#define US_SCALE        32 /* 2^32, arbitralrily chosen */
 
+extern void mark_tsc_unstable(void);
+extern void set_cyc2ns_scale(unsigned long khz);
 #endif