[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 a4493a7..8c6808a 100644 (file)
--- a/include/asm-x86_64/timex.h
+++ b/include/asm-x86_64/timex.h
@@ -20,6 +20,13 @@
 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