From: Ralf Baechle <ralf@linux-mips.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>, x86 team <x86@kernel.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Takashi Iwai <tiwai@suse.de>, Jens Axboe <jens.axboe@oracle.com>
Subject: Re: [patch] i8253: Convert i8253_lock to raw_spinlock
Date: Wed, 17 Feb 2010 17:57:41 +0100 [thread overview]
Message-ID: <20100217165741.GA5504@linux-mips.org> (raw)
In-Reply-To: <20100217163751.030764372@linutronix.de>
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@linutronix.de>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: Takashi Iwai <tiwai@suse.de>
> Cc: Jens Axboe <jens.axboe@oracle.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Ralf
next prev parent reply other threads:[~2010-02-17 16:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-17 16:47 [patch] i8253: Convert i8253_lock to raw_spinlock Thomas Gleixner
2010-02-17 16:57 ` Ralf Baechle [this message]
2010-02-17 20:56 ` Dmitry Torokhov
2010-02-17 21:32 ` Takashi Iwai
2010-03-02 9:39 ` [tip:core/locking] " tip-bot for Thomas Gleixner
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