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authorFrederic Weisbecker <[email protected]>2015-11-19 16:47:34 +0100
committerIngo Molnar <[email protected]>2015-12-04 10:34:46 +0100
commitb7ce2277f087fd052e7e1bbf432f7fecbee82bb6 (patch)
tree29f779475ed1e8157a037ad6224d90ff702a8213 /tools/perf/scripts/python/call-graph-from-postgresql.py
parente592539466380279a9e6e6fdfe4545aa54f22593 (diff)
sched/cputime: Convert vtime_seqlock to seqcount
The cputime can only be updated by the current task itself, even in vtime case. So we can safely use seqcount instead of seqlock as there is no writer concurrency involved. Signed-off-by: Frederic Weisbecker <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Chris Metcalf <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Hiroshi Shimamoto <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Luiz Capitulino <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Paul E . McKenney <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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