On Tue, Jun 03, 2014 at 04:40:19PM +0200, Frederic Weisbecker wrote: > Now that the irq work subsystem can queue remote callbacks, it's > a perfect fit to safely queue IPIs when interrupts are disabled > without worrying about concurrent callers. > > Lets use it for the full dynticks kick to notify a CPU that it's > exiting single task mode. > > This unbloats a bit the scheduler IPI that the nohz code was abusing > for its cool "callable anywhere/anytime" properties. > > Cc: Andrew Morton <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: Kevin Hilman <[email protected]> > Cc: Paul E. McKenney <[email protected]> Acked-by: Peter Zijlstra <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Viresh Kumar <[email protected]> > Signed-off-by: Frederic Weisbecker <[email protected]> > --- > include/linux/tick.h | 9 ++++++++- > kernel/sched/core.c | 5 +---- > kernel/sched/sched.h | 2 +- > kernel/time/tick-sched.c | 10 ++++++---- > 4 files changed, 16 insertions(+), 10 deletions(-) >
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