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From: Steven Rostedt <rostedt@goodmis.org>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Tejun Heo <tj@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	vlevenetz@mm-sol.com, vaibhav.hiremath@linaro.org,
	alex.elder@linaro.org, johan@kernel.org,
	akpm@linux-foundation.org, jack@suse.cz
Subject: Re: [Query] Preemption (hogging) of the work handler
Date: Wed, 6 Jul 2016 15:23:48 -0400	[thread overview]
Message-ID: <20160706152348.1e7ba9c7@gandalf.local.home> (raw)
In-Reply-To: <20160706182842.GS2671@ubuntu>

On Wed, 6 Jul 2016 11:28:42 -0700
Viresh Kumar <viresh.kumar@linaro.org> wrote:


> 
> I tried looking at if something related to this changed between 3.10
> and mainline, and found few patches at least. One of the important
> ones is:
> 
> commit 5874af2003b1 ("printk: enable interrupts before calling
> console_trylock_for_printk()")
> 
> I wasn't able to backport it cleanly to 3.10 yet to see it makes thing
> work better though. But it looks like it was targeting similar
> problems.
> 

Do you have the same issues with latest mainline, or is this only a
3.10 issue?

-- Steve

> @Jan Kara, Right ?
> 
> Any other useful piece of advice/information you guys have? I see Jan,
> Andrew and Steven do a bunch of stuff in printk.c to make it better
> and so Cc'ing them.
> 

  reply	other threads:[~2016-07-06 19:24 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-01 16:59 [Query] Preemption (hogging) of the work handler Viresh Kumar
2016-07-01 17:22 ` Tejun Heo
2016-07-01 17:28   ` Viresh Kumar
2016-07-06 18:28   ` Viresh Kumar
2016-07-06 19:23     ` Steven Rostedt [this message]
2016-07-06 19:25       ` Viresh Kumar
2016-07-11 10:26     ` Jan Kara
2016-07-11 15:44       ` Sergey Senozhatsky
2016-07-11 22:35         ` Viresh Kumar
2016-07-11 22:44           ` Rafael J. Wysocki
2016-07-11 22:46             ` Viresh Kumar
2016-07-12 12:24               ` Rafael J. Wysocki
2016-07-12 13:02                 ` Viresh Kumar
2016-07-12 13:56                   ` Petr Mladek
2016-07-12 14:04                     ` Viresh Kumar
2016-07-12  9:38           ` Sergey Senozhatsky
2016-07-12 12:52             ` Petr Mladek
2016-07-12 13:12               ` Viresh Kumar
2016-07-12 17:11                 ` Viresh Kumar
2016-07-12 19:59                   ` Rafael J. Wysocki
2016-07-12 20:08                     ` Viresh Kumar
2016-07-13  7:00                   ` Sergey Senozhatsky
2016-07-13 12:05                     ` Rafael J. Wysocki
2016-07-13 12:57                       ` Sergey Senozhatsky
2016-07-13 13:22                         ` Rafael J. Wysocki
2016-07-12 14:03               ` Sergey Senozhatsky
2016-07-12 14:12                 ` Viresh Kumar
2016-07-14 23:52                 ` Viresh Kumar
2016-07-15 13:11                   ` Sergey Senozhatsky
2016-07-15 15:57                     ` Viresh Kumar
2016-07-12 23:19           ` Viresh Kumar
2016-07-13  0:18             ` Viresh Kumar
2016-07-13  5:45             ` Sergey Senozhatsky
2016-07-13 15:39               ` Viresh Kumar
2016-07-13 23:08                 ` Rafael J. Wysocki
2016-07-13 23:18                   ` Viresh Kumar
2016-07-13 23:38                     ` Greg Kroah-Hartman
2016-07-14  0:55                 ` Sergey Senozhatsky
2016-07-14  1:09                   ` Rafael J. Wysocki
2016-07-14  1:32                     ` Sergey Senozhatsky
2016-07-14 21:57                       ` Viresh Kumar
2016-07-14 21:55                   ` Viresh Kumar
2016-07-14 14:12               ` Jan Kara
2016-07-14 14:33                 ` Rafael J. Wysocki
2016-07-14 14:39                   ` Jan Kara
2016-07-14 14:47                     ` Rafael J. Wysocki
2016-07-14 14:55                       ` Jan Kara
2016-07-14 22:14                         ` Viresh Kumar
2016-07-14 14:34                 ` Sergey Senozhatsky
2016-07-14 15:03                   ` Jan Kara
2016-07-14 22:12                 ` Viresh Kumar
2016-07-18 11:01                   ` Jan Kara
2016-07-18 11:49                     ` Rafael J. Wysocki
2016-07-29 20:42               ` Viresh Kumar
2016-07-30  2:12                 ` Sergey Senozhatsky
2016-07-11 19:03       ` Viresh Kumar

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