x86, tsc: Fix a preemption leak in restore_sched_clock_state()

A real life genuine preemption leak..

Reported-and-tested-by: Jeff Chua <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Acked-by: Suresh Siddha <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
1 file changed