From: Pavel Machek <pavel@ucw.cz>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Jan Kara <jack@suse.com>, Petr Mladek <pmladek@suse.com>,
Tejun Heo <tj@kernel.org>,
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
linux-kernel@vger.kernel.org,
Byungchul Park <byungchul.park@lge.com>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [RFC][PATCH v4 0/2] printk: Make printk() completely async
Date: Sat, 23 Apr 2016 21:36:08 +0200 [thread overview]
Message-ID: <20160423193608.GA15755@amd> (raw)
In-Reply-To: <1457964820-4642-1-git-send-email-sergey.senozhatsky@gmail.com>
On Mon 2016-03-14 23:13:38, Sergey Senozhatsky wrote:
> Hello,
>
> RFC
>
> The patch set is based on slightly updated Jan Kara's patches.
>
> This patch set makes printk() completely asynchronous: new messages
> are getting upended to the kernel printk buffer, but instead of 'direct'
> printing the actual print job is performed by a dedicated kthread.
> This has the advantage that printing always happens from a schedulable
> context and thus we don't lockup any particular CPU or even
> interrupts.
And that means that printk() will become mostly useless for debugging,
right?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2016-04-23 19:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-14 14:13 [RFC][PATCH v4 0/2] printk: Make printk() completely async Sergey Senozhatsky
2016-03-14 14:13 ` [RFC][PATCH v4 1/2] " Sergey Senozhatsky
2016-03-15 10:03 ` Jan Kara
2016-03-15 14:07 ` Sergey Senozhatsky
2016-03-16 5:39 ` Byungchul Park
2016-03-16 6:58 ` Sergey Senozhatsky
2016-03-16 7:30 ` Byungchul Park
2016-03-16 7:56 ` Sergey Senozhatsky
2016-03-16 10:34 ` Byungchul Park
2016-03-17 0:34 ` Sergey Senozhatsky
2016-03-18 5:49 ` Byungchul Park
2016-03-18 7:11 ` Sergey Senozhatsky
2016-03-18 8:23 ` byungchul.park
2016-03-16 7:00 ` Byungchul Park
2016-03-16 7:07 ` Sergey Senozhatsky
2016-03-15 15:58 ` Petr Mladek
2016-03-16 2:01 ` Sergey Senozhatsky
2016-03-16 2:10 ` Byungchul Park
2016-03-16 2:31 ` Sergey Senozhatsky
2016-03-14 14:13 ` [RFC][PATCH v4 2/2] printk: Skip messages on oops Sergey Senozhatsky
2016-03-17 10:56 ` Sergey Senozhatsky
2016-04-23 19:36 ` Pavel Machek [this message]
2016-04-24 5:03 ` [RFC][PATCH v4 0/2] printk: Make printk() completely async Sergey Senozhatsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160423193608.GA15755@amd \
--to=pavel@ucw.cz \
--cc=akpm@linux-foundation.org \
--cc=byungchul.park@lge.com \
--cc=jack@suse.com \
--cc=linux-kernel@vger.kernel.org \
--cc=penguin-kernel@I-love.SAKURA.ne.jp \
--cc=pmladek@suse.com \
--cc=sergey.senozhatsky.work@gmail.com \
--cc=sergey.senozhatsky@gmail.com \
--cc=tj@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.