linux-kernel - Re: [patch] i8253: Convert i8253_lock to raw

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Message-Id: <3310E995-FF29-4537-84CC-A15BA09F3DE9@gmail.com>
Date:	Wed, 17 Feb 2010 12:56:58 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Ralf Baechle <ralf@...ux-mips.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>, x86 team <x86@...nel.org>,
	Takashi Iwai <tiwai@...e.de>,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: [patch] i8253: Convert i8253_lock to raw_spinlock

On Feb 17, 2010, at 8:57 AM, Ralf Baechle <ralf@...ux-mips.org> wrote:

> On Wed, Feb 17, 2010 at 04:47:10PM -0000, Thomas Gleixner wrote:
>
>> i8253_lock needs to be a real spinlock in preempt-rt, i.e. it can
>> not be converted to a sleeping lock.
>>
>> Convert it to raw_spinlock and fix up all users.
>>
>> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
>> Cc: Ralf Baechle <ralf@...ux-mips.org>
>> Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
>> Cc: Takashi Iwai <tiwai@...e.de>
>> Cc: Jens Axboe <jens.axboe@...cle.com>
>
> Acked-by: Ralf Baechle <ralf@...ux-mips.org>

Acked-by: Dmitry Torokhov <dtor@...l.ru>

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