[RFC PATCH 0/9] nohz: Nohz full kick fixes

Frederic Weisbecker
2014-08-21T14:58:27Z

Hi,

There have been several reports of warnings and lockup lately due to
recent or longer term issues.

This patchset is a proposed solution to fix them.

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
nohz/fixes

Thanks,
Frederic
---

Frederic Weisbecker (9):
nohz: Restore NMI safe local irq work for local nohz kick
nohz: Move nohz full init call to tick init
irq_work: Force raised irq work to run on irq work interrupt
x86: Build irq work only if local apic support
x86: Tell irq work about self IPI support
arm: Tell irq work about self IPI support
arm64: Tell irq work about self IPI support
nohz: Consolidate nohz full init code
nohz: nohz full depends on irq work self IPI support

arch/arm/kernel/smp.c | 5 +++
arch/arm64/kernel/smp.c | 5 +++
arch/x86/Kconfig | 4 +++
arch/x86/include/asm/entry_arch.h | 2 +-
arch/x86/kernel/Makefile | 2 +-
arch/x86/kernel/entry_64.S | 2 +-
arch/x86/kernel/irq_work.c | 7 +++--
arch/x86/kernel/irqinit.c | 2 +-
include/linux/irq_work.h | 4 +++
include/linux/tick.h | 9 +-----
init/main.c | 2 +-
kernel/irq_work.c | 21 ++++++++++++-
kernel/time/tick-common.c | 1 +
kernel/time/tick-internal.h | 7 +++++
kernel/time/tick-sched.c | 66 ++++++++++++++++++++++++++++-----------
kernel/time/timer.c | 2 +-
16 files changed, 105 insertions(+), 36 deletions(-)