nohz: Prevent clocksource wrapping during idle

[pandora-kernel.git] / include / linux / clocksource.h

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index f57f882..279c547 100644 (file)
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -151,6 +151,7 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
  *                     subtraction of non 64 bit counters
  * @mult:              cycle to nanosecond multiplier
  * @shift:             cycle to nanosecond divisor (power of two)
+ * @max_idle_ns:       max idle time permitted by the clocksource (nsecs)
  * @flags:             flags describing special properties
  * @vread:             vsyscall based read
  * @resume:            resume function for the clocksource, if necessary
@@ -168,6 +169,7 @@ struct clocksource {
        cycle_t mask;
        u32 mult;
        u32 shift;
+       u64 max_idle_ns;
        unsigned long flags;
        cycle_t (*vread)(void);
        void (*resume)(void);