From: Peter Zijlstra <peterz@infradead.org>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>, Petr Mladek <pmladek@suse.com>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-pm@vger.kernel.org, John Stultz <john.stultz@linaro.org>
Subject: Re: Regression in next with use printk_safe buffers in printk
Date: Tue, 14 Feb 2017 19:29:56 +0100 [thread overview]
Message-ID: <20170214182956.GS6500@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20170214165645.GB10321@tigerII.localdomain>
On Wed, Feb 15, 2017 at 01:56:45AM +0900, Sergey Senozhatsky wrote:
> that crossed my mind, but I kinda assumed that we do printk() from
> under tk_core using sched fair, and rt_runtime_lock is from sched rt.
That's all true; lockdep doesn't care :-) All it knows is that at some
point those locks nest.
next prev parent reply other threads:[~2017-02-14 18:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-13 18:59 Regression in next with use printk_safe buffers in printk Tony Lindgren
2017-02-14 16:01 ` Sergey Senozhatsky
2017-02-14 16:18 ` Peter Zijlstra
2017-02-14 16:56 ` Sergey Senozhatsky
2017-02-14 17:03 ` Tony Lindgren
2017-02-15 4:44 ` Sergey Senozhatsky
2017-02-14 18:29 ` Peter Zijlstra [this message]
2017-02-15 4:49 ` Sergey Senozhatsky
2017-02-14 16:54 ` Tony Lindgren
2017-02-15 18:01 ` Tony Lindgren
2017-02-16 1:31 ` Sergey Senozhatsky
2017-02-16 4:03 ` Tony Lindgren
2017-02-16 4:25 ` Sergey Senozhatsky
2017-02-16 15:10 ` Tony Lindgren
2017-02-16 16:31 ` Sergey Senozhatsky
2017-02-16 19:13 ` Tony Lindgren
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