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

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Date:	Thu, 21 Aug 2014 16:52:48 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Catalin Iacob <iacobcatalin@...il.com>,
	Dave Jones <davej@...hat.com>, Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [RFC PATCH 0/9] nohz: Nohz full kick fixes

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(-)
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