So this version now implements remote irq works using the generic IPI
interrupt available in most archs, as suggested by Peterz.
Keep in mind that the first patch is really just a draft to build the
mockup. It needs to be turned into an internal state set on boot or so.
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
timers/nohz-irq-work-v2
Thanks,
Frederic
---
Frederic Weisbecker (5):
irq_work: Let arch tell us if it can raise irq work
irq_work: Force non-lazy works to the IPI
irq_work: Allow remote queueing
nohz: Move full nohz kick to its own IPI
nohz: Use IPI implicit full barrier against rq->nr_running r/w
arch/alpha/kernel/time.c | 5 +++
arch/arm/kernel/smp.c | 5 +++
arch/powerpc/kernel/time.c | 5 +++
arch/sparc/kernel/pcr.c | 5 +++
arch/x86/kernel/irq_work.c | 7 ++++
include/linux/irq_work.h | 3 ++
include/linux/tick.h | 9 ++++-
kernel/irq_work.c | 83 +++++++++++++++++++++++++++++++---------------
kernel/sched/core.c | 14 ++++----
kernel/sched/sched.h | 12 +++++--
kernel/smp.c | 3 ++
kernel/time/tick-sched.c | 10 +++---
kernel/timer.c | 2 +-
13 files changed, 119 insertions(+), 44 deletions(-)
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