linux-kernel - [PATCH 0/2] watchdog: avoid races in watchdog_nmi_{en|disable} functions

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Date:	Fri,  7 Aug 2015 11:58:06 +0200
From:	Ulrich Obergfell <uobergfe@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, dzickus@...hat.com, atomlin@...hat.com,
	uobergfe@...hat.com, jolsa@...nel.org, mhocko@...e.cz,
	eranian@...gle.com, cmetcalf@...hip.com, fweisbec@...il.com,
	linux@...ck-us.net
Subject: [PATCH 0/2] watchdog: avoid races in watchdog_nmi_{en|disable} functions - follow up patches

This small series follows up to patch discussion related
to $subject patch series which is now in linux-next at:

- introduce watchdog_park_threads() and watchdog_unpark_threads()
  https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/kernel/watchdog.c?id=89f536017155c7f76c8a620e6aed03809e53cd4c

- introduce watchdog_suspend() and watchdog_resume()
  https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/kernel/watchdog.c?id=e0dd9ee3ecf3394e93343cf9542d8ca1b54eca08

- use park/unpark functions in update_watchdog_all_cpus()
  https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/kernel/watchdog.c?id=eef1a759acfb98766fef20afca9e06f014299e3f

- use suspend/resume interface in fixup_ht_bug()
  https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/kernel/watchdog.c?id=77592a82363dd508ce3dbe4eaaa2c6c45b966ebb

Changes based on patch discussion:

- Patch 1/2: rename watchdog_{suspend|resume}, add comment blocks
  http://marc.info/?l=linux-kernel&m=143844050610220&w=2
  http://marc.info/?l=linux-kernel&m=143876224114821&w=2

- Patch 2/2: use pr_debug() instead of pr_info()
  http://marc.info/?l=linux-kernel&m=143869949229461&w=2

Ulrich Obergfell (2):
  watchdog: rename watchdog_suspend() and watchdog_resume()
  watchdog: use pr_debug() in fixup_ht_bug() failure path

 arch/x86/kernel/cpu/perf_event_intel.c |  6 +++---
 include/linux/nmi.h                    |  8 ++++----
 kernel/watchdog.c                      | 26 ++++++++++++++++++++++----
 3 files changed, 29 insertions(+), 11 deletions(-)

-- 
1.7.11.7

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