The x86 version of sched_clock() seem to be safely callable
from NMIs, tell about that.

Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: John Stultz <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Don Zickus <[email protected]>
---
 arch/x86/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7fbda5c..fc7c34c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -125,6 +125,7 @@ config X86
        select RTC_LIB
        select HAVE_DEBUG_STACKOVERFLOW
        select HAVE_NSECS_TO_CYCLES
+       select HAVE_SCHED_CLOCK_NMI
 
 config INSTRUCTION_DECODER
        def_bool y
-- 
1.7.5.4

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