From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Petr Mladek <pmladek@suse.com>
Cc: "Sergey Senozhatsky" <sergey.senozhatsky.work@gmail.com>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Theodore Y. Ts'o" <tytso@mit.edu>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Lech Perczak" <l.perczak@camlintechnologies.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Arnd Bergmann" <arnd@arndb.de>,
"Krzysztof Drobiński" <k.drobinski@camlintechnologies.com>,
"Pawel Lenkow" <p.lenkow@camlintechnologies.com>,
"John Ogness" <john.ogness@linutronix.de>,
"Tejun Heo" <tj@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>
Subject: Re: Regression in v4.19.106 breaking waking up of readers of /proc/kmsg and /dev/kmsg
Date: Mon, 2 Mar 2020 18:59:16 +0900 [thread overview]
Message-ID: <20200302095916.GA66317@google.com> (raw)
In-Reply-To: <20200302094907.qdbhe6iobegah56t@pathway.suse.cz>
On (20/03/02 10:49), Petr Mladek wrote:
[..]
> It is just a detail. But I would make the flag independent
> on the existing printk_safe stuff. printk_safe will get removed
> with the lockless printk buffer. While the irq_work() will still
> be needed for the wakeup functions.
Yeah, somehow I thought, for a moment, that we would also remove
printk_deferred() once we have lockless buffer, but seems that we
can remove it only when console_sem is gone.
> Sergey, do you agree and want to update your patch accordingly?
Yes, can update the patch.
-ss
next prev parent reply other threads:[~2020-03-02 9:59 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-27 11:09 Regression in v4.19.106 breaking waking up of readers of /proc/kmsg and /dev/kmsg Lech Perczak
2020-02-27 12:36 ` Greg Kroah-Hartman
2020-02-27 12:39 ` Lech Perczak
2020-02-27 14:08 ` Lech Perczak
2020-02-28 3:13 ` Sergey Senozhatsky
2020-02-28 9:11 ` John Ogness
2020-02-28 12:02 ` Sergey Senozhatsky
2020-02-28 10:04 ` Petr Mladek
2020-02-28 10:58 ` Greg Kroah-Hartman
2020-02-28 11:32 ` Petr Mladek
2020-02-28 11:39 ` Greg Kroah-Hartman
2020-02-28 13:02 ` Petr Mladek
2020-02-28 13:41 ` Greg Kroah-Hartman
2020-02-28 20:53 ` Theodore Y. Ts'o
2020-02-29 3:32 ` Sergey Senozhatsky
2020-02-29 4:08 ` Sergey Senozhatsky
2020-02-29 23:47 ` Steven Rostedt
2020-03-01 5:22 ` Sergey Senozhatsky
2020-03-02 9:49 ` Petr Mladek
2020-03-02 9:59 ` Sergey Senozhatsky [this message]
2020-02-28 11:49 ` Sergey Senozhatsky
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