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From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: sergey.senozhatsky.work@gmail.com, sergey.senozhatsky@gmail.com,
	pmladek@suse.com, mhocko@kernel.org, pavel@ucw.cz,
	rostedt@goodmis.org, andi@lisas.de, jack@suse.cz,
	dri-devel@lists.freedesktop.org, linux-mm@kvack.org,
	daniel.vetter@ffwll.ch
Subject: Re: printk: Should console related code avoid __GFP_DIRECT_RECLAIM memory allocations?
Date: Mon, 10 Jul 2017 14:07:40 +0900	[thread overview]
Message-ID: <20170710050740.GA7706@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <201707082230.ECB51545.JtFFFVHOOSMLOQ@I-love.SAKURA.ne.jp>

Hello,

On (07/08/17 22:30), Tetsuo Handa wrote:
> Hmm... should we consider addressing console_sem problem before
> introducing printing kernel thread and offloading to that kernel
> thread?

printk-kthread addresses a completely different set of problems.

console_sem is hard to fix quickly, because it involves rework of
tty/fbcon/drm/etc/etc/etc sub-systems; printk is the easiest part
here...

	-ss

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  reply	other threads:[~2017-07-10  5:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-06 10:28 Tetsuo Handa
2017-07-07  2:39 ` Sergey Senozhatsky
2017-07-07  8:41   ` Daniel Vetter
2017-07-08 13:30   ` Tetsuo Handa
2017-07-10  5:07     ` Sergey Senozhatsky [this message]
2017-07-10 12:59     ` Petr Mladek
2017-07-10 18:07       ` Daniel Vetter
2017-07-11  2:31         ` Sergey Senozhatsky
2017-07-11  4:57           ` Sergey Senozhatsky
2017-07-11  7:50             ` Daniel Vetter
2017-07-11  9:48               ` Sergey Senozhatsky
2017-07-11 11:36                 ` Daniel Vetter
2017-07-10 13:33   ` Michal Hocko

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