[RFC PATCH 0/5] nohz: Move nohz kick out of scheduler IPI, v3

Frederic Weisbecker
2014-05-11T23:34:06Z

Hi,

So this version gives up with smp_queue_function_single() and extends
irq work to support remote queuing. As suggested by Peterz.

Comments?

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
timers/nohz-irq-work

Thanks,
Frederic
---

Frederic Weisbecker (5):
irq_work: Architecture support for remote irq work raise
irq_work: Force non-lazy works on 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/Kconfig | 12 +++++++
arch/alpha/kernel/time.c | 3 +-
arch/arm/Kconfig | 1 +
arch/arm/kernel/smp.c | 4 +--
arch/powerpc/kernel/time.c | 3 +-
arch/sparc/kernel/pcr.c | 3 +-
arch/x86/Kconfig | 1 +
arch/x86/kernel/irq_work.c | 10 ++----
include/linux/irq_work.h | 3 ++
include/linux/tick.h | 9 ++++-
kernel/irq_work.c | 87 +++++++++++++++++++++++++++++++---------------
kernel/sched/core.c | 14 ++++----
kernel/sched/sched.h | 12 +++++--
kernel/time/Kconfig | 2 ++
kernel/time/tick-sched.c | 10 +++---
kernel/timer.c | 2 +-
16 files changed, 118 insertions(+), 58 deletions(-)