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Piccoli" , Qais Yousef , Petr Mladek , Santosh Sivaraj , Vlastimil Babka , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2,RESEND 4/4] doc: watchdog: Modify the doc related to "watchdog/%u" Date: Thu, 29 Apr 2021 17:04:28 +0800 Message-Id: <1619687073-24686-5-git-send-email-wangqing@vivo.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1619687073-24686-2-git-send-email-wangqing@vivo.com> References: <1619687073-24686-2-git-send-email-wangqing@vivo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZS1VLWVdZKFlBSE83V1ktWUFJV1kPCR oVCBIfWUFZQhpOQ1ZDHx1PSU5NHRlMSUtVEwETFhoSFyQUDg9ZV1kWGg8SFR0UWUFZT0tIVUpKS0 hKTFVLWQY+ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6NAg6TSo6AT8JQ0kpTk0pFzYO HT5PCVZVSlVKTUpCTUNMSkpITkpLVTMWGhIXVQwaFRwKEhUcOw0SDRRVGBQWRVlXWRILWUFZTkNV SU5LVUpMTVVJSUJZV1kIAVlBSEhMTDcG X-HM-Tid: 0a791ce001d2da01kuwsb08b5400a7 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "watchdog/%u" threads has be replaced by cpu_stop_work. The current description is extremely misleading. --- Documentation/admin-guide/sysctl/kernel.rst | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 1d56a6b..32b0791 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -1282,11 +1282,11 @@ This parameter can be used to control the soft lockup detector. = ================================= The soft lockup detector monitors CPUs for threads that are hogging the CPUs -without rescheduling voluntarily, and thus prevent the 'watchdog/N' threads -from running. The mechanism depends on the CPUs ability to respond to timer -interrupts which are needed for the 'watchdog/N' threads to be woken up by -the watchdog timer function, otherwise the NMI watchdog — if enabled — can -detect a hard lockup condition. +without rescheduling voluntarily, and thus prevent the 'migration/N' threads +from running, causing the watchdog work fail to execute. The mechanism depends +on the CPUs ability to respond to timer interrupts which are needed for the +watchdog work to be queued by the watchdog timer function, otherwise the NMI +watchdog — if enabled — can detect a hard lockup condition. stack_erasing -- 2.7.4