Merge branch 'upstream/core' into upstream/xen
[sfrench/cifs-2.6.git] / arch / x86 / xen / time.c
index 32764b8880b5f85b6d88032bbb1fbee0d7f7359c..a86df42e46adb27151d4d04205acd7d64e0af716 100644 (file)
@@ -155,45 +155,6 @@ static void do_stolen_accounting(void)
        account_idle_ticks(ticks);
 }
 
-/*
- * Xen sched_clock implementation.  Returns the number of unstolen
- * nanoseconds, which is nanoseconds the VCPU spent in RUNNING+BLOCKED
- * states.
- */
-unsigned long long xen_sched_clock(void)
-{
-       struct vcpu_runstate_info state;
-       cycle_t now;
-       u64 ret;
-       s64 offset;
-
-       /*
-        * Ideally sched_clock should be called on a per-cpu basis
-        * anyway, so preempt should already be disabled, but that's
-        * not current practice at the moment.
-        */
-       preempt_disable();
-
-       now = xen_clocksource_read();
-
-       get_runstate_snapshot(&state);
-
-       WARN_ON(state.state != RUNSTATE_running);
-
-       offset = now - state.state_entry_time;
-       if (offset < 0)
-               offset = 0;
-
-       ret = state.time[RUNSTATE_blocked] +
-               state.time[RUNSTATE_running] +
-               offset;
-
-       preempt_enable();
-
-       return ret;
-}
-
-
 /* Get the TSC speed from Xen */
 unsigned long xen_tsc_khz(void)
 {
@@ -476,6 +437,7 @@ void xen_timer_resume(void)
 __init void xen_time_init(void)
 {
        int cpu = smp_processor_id();
+       struct timespec tp;
 
        clocksource_register(&xen_clocksource);
 
@@ -487,9 +449,8 @@ __init void xen_time_init(void)
        }
 
        /* Set initial system time with full resolution */
-       xen_read_wallclock(&xtime);
-       set_normalized_timespec(&wall_to_monotonic,
-                               -xtime.tv_sec, -xtime.tv_nsec);
+       xen_read_wallclock(&tp);
+       do_settimeofday(&tp);
 
        setup_force_cpu_cap(X86_FEATURE_TSC);