summaryrefslogtreecommitdiffstats
path: root/kernel/sched/sched.h
diff options
context:
space:
mode:
authorFrederic Weisbecker <fweisbec@gmail.com>2015-11-19 16:47:34 +0100
committerIngo Molnar <mingo@kernel.org>2015-12-04 10:34:46 +0100
commitb7ce2277f087fd052e7e1bbf432f7fecbee82bb6 (patch)
tree29f779475ed1e8157a037ad6224d90ff702a8213 /kernel/sched/sched.h
parente592539466380279a9e6e6fdfe4545aa54f22593 (diff)
downloadop-kernel-dev-b7ce2277f087fd052e7e1bbf432f7fecbee82bb6.zip
op-kernel-dev-b7ce2277f087fd052e7e1bbf432f7fecbee82bb6.tar.gz
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 <fweisbec@gmail.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Chris Metcalf <cmetcalf@ezchip.com> Cc: Christoph Lameter <cl@linux.com> Cc: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1447948054-28668-8-git-send-email-fweisbec@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/sched.h')
0 files changed, 0 insertions, 0 deletions
OpenPOWER on IntegriCloud