linux-kernel - Re: [PATCH] scsi/st: remove BKL from open

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Message-ID: <alpine.LNX.2.00.1004302201200.6758@kai.makisara.local>
Date:	Fri, 30 Apr 2010 22:03:34 +0300 (EEST)
From:	Kai Makisara <Kai.Makisara@...umbus.fi>
To:	Frederic Weisbecker <fweisbec@...il.com>
cc:	Arnd Bergmann <arnd@...db.de>, dgilbert@...erlog.com,
	Jens Axboe <axboe@...nel.dk>, Vivek Goyal <vgoyal@...hat.com>,
	Tejun Heo <tj@...nel.org>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...hat.com>, John Kacur <jkacur@...hat.com>,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	James Bottomley <James.Bottomley@...e.de>
Subject: Re: [PATCH] scsi/st: remove BKL from open

On Fri, 30 Apr 2010, Frederic Weisbecker wrote:

> On Thu, Apr 15, 2010 at 10:51:38PM +0200, Arnd Bergmann wrote:
> > The st_open function is serialized through the st_dev_arr_lock
> > and the STp->in_use flag, so there is no race that the BKL
> > can protect against in the driver itself, and the function
> > does not access any global state outside of the driver that
> > might be protected with the BKL.
> > 
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> > ---
> 
> 
> 
> Kai, can we get your ack on this?
> 
I am sorry, I have forgotten to send it.

Acked-by: Kai Makisara <kai.makisara@...umbus.fi>

Thanks,
Kai
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