linux-kernel - Re: [PATCH] kernel/cpu_pm: replace rwlock with raw

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Message-ID: <20160922210816.xx7tr6lldjmgenxh@acer>
Date:   Fri, 23 Sep 2016 00:08:17 +0300
From:   Andrey Utkin <andrey_utkin@...tmail.com>
To:     dpervushin@...il.com
Cc:     linux-kernel@...r.kernel.org, Nicolas Pitre <nico@...xnic.net>,
        Colin Cross <ccross@...roid.com>,
        Kevin Hilman <khilman@...libre.com>,
        Thomas Gleixner <tglx@...utronics.de>
Subject: Re: [PATCH] kernel/cpu_pm: replace rwlock with raw_spinlock

On Thu, Sep 22, 2016 at 06:24:19PM +0200, dpervushin@...il.com wrote:
> From: dmitry pervushin <dpervushin@...il.com>
> 
> Recently I faced the BUG in cpuidle driver, "scheduling while atomic"

So please show BUG text.

> The reason of this BUG is that rwlock behavior gets changed by
> RT patches

So add RT mailing list to recipients.

> The reason to change from spinning inside rwlock to sleeping mutex is
> described by Steven Rostedt's in [1]:

So add him to recipients.