From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Dmitry Safonov <dima@arista.com>,
linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>, Petr Mladek <pmladek@suse.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [RFC] printk/sysrq: Don't play with console_loglevel
Date: Tue, 28 May 2019 13:22:08 +0900 [thread overview]
Message-ID: <20190528042208.GD26865@jagdpanzerIV> (raw)
In-Reply-To: <4a9c1b20-777d-079a-33f5-ddf0a39ff788@i-love.sakura.ne.jp>
On (05/28/19 12:21), Tetsuo Handa wrote:
[..]
> What I suggested in my proposal ("printk: Introduce "store now but print later" prefix." at
> https://lore.kernel.org/lkml/1550896930-12324-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp/T/#u )
> is "whether the caller wants to defer printing to consoles regarding
> this printk() call". And your suggestion is "whether the caller wants
> to apply ignore_loglevel regarding this printk() call".
I'm not sure about "store now but print later" here. What Dmitry is
talking about:
bump console_loglevel on *this* particular CPU only,
not system-wide.
/* Which is implemented in a form of - all messages from this-CPU
* only should be printed regardless the loglevel, the rest should
* pass the usual suppress_message_printing() check. */
-ss
next prev parent reply other threads:[~2019-05-28 4:22 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-28 0:24 [RFC] printk/sysrq: Don't play with console_loglevel Dmitry Safonov
2019-05-28 3:21 ` Tetsuo Handa
2019-05-28 4:22 ` Sergey Senozhatsky [this message]
2019-05-28 8:02 ` Tetsuo Handa
2019-05-28 8:51 ` Sergey Senozhatsky
2019-05-28 10:15 ` Tetsuo Handa
2019-05-28 13:49 ` Petr Mladek
2019-06-07 17:09 ` Pavel Machek
2019-06-08 2:45 ` Tetsuo Handa
2019-06-11 15:10 ` Petr Mladek
2019-06-12 10:06 ` Tetsuo Handa
2019-05-28 4:15 ` Sergey Senozhatsky
2019-05-28 4:46 ` Sergey Senozhatsky
2019-05-28 13:42 ` Petr Mladek
2019-05-28 14:21 ` Tetsuo Handa
2019-05-28 15:03 ` Petr Mladek
2019-05-28 15:21 ` Tetsuo Handa
2019-05-28 15:58 ` Dmitry Safonov
2019-05-31 14:11 ` Tetsuo Handa
2019-06-02 6:13 ` [RFC] printk: Introduce per context console loglevel Tetsuo Handa
2019-06-02 6:13 ` Tetsuo Handa
2019-06-06 7:59 ` Petr Mladek
2019-06-06 7:59 ` Petr Mladek
2019-06-03 6:51 ` [RFC] printk/sysrq: Don't play with console_loglevel Sergey Senozhatsky
2019-06-06 7:10 ` Petr Mladek
2019-06-12 8:36 ` Sergey Senozhatsky
2019-06-12 12:00 ` Petr Mladek
2019-06-12 14:47 ` Dmitry Safonov
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