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From: Ingo Molnar <mingo@elte.hu>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Tejun Heo <htejun@gmail.com>,
	Arjan van de Ven <arjan@infradead.org>,
	Hugh Dickins <hugh@veritas.com>,
	linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH] Fix kunmap() argument in sg_miter_stop
Date: Mon, 17 Nov 2008 09:50:46 +0100	[thread overview]
Message-ID: <20081117085046.GE28786@elte.hu> (raw)
In-Reply-To: <20081117083022.GE26778@kernel.dk>


* Jens Axboe <jens.axboe@oracle.com> wrote:

> On Mon, Nov 17 2008, Ingo Molnar wrote:
> > 
> > * Jens Axboe <jens.axboe@oracle.com> wrote:
> > 
> > > +#define kunmap(p)			\
> > > +	do {				\
> > > +		struct page *__p;	\
> > > +		(void) (&__p == &(p));	\
> > > +		__kunmap(p);		\
> > > +	} while (0)
> > > +
> > > +#define kunmap_atomic(a, t)		\
> > > +	do {				\
> > > +		void *__p;		\
> > > +		(void) (&__p == &(a));	\
> > > +		__kunmap_atomic(a, t);	\
> > > +	} while (0)
> > 
> > Agreed - but please use the typecheck() primitive. (linux/typecheck.h)
> 
> Neat, didn't know about that, thanks.

and ack on your patch obviously. Feel free to push it via the block 
tree straight away, it doesnt collide with anything pending in the x86 
tree.

Acked-by: Ingo Molnar <mingo@elte.hu>

	Ingo

  reply	other threads:[~2008-11-17  8:51 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-15 19:27 [PATCH] Fix kunmap() argument in sg_miter_stop Arjan van de Ven
2008-11-15 20:15 ` Hugh Dickins
2008-11-15 20:27   ` Arjan van de Ven
2008-11-15 20:39   ` Arjan van de Ven
2008-11-16  5:16     ` Tejun Heo
2008-11-17  8:11       ` Jens Axboe
2008-11-17  8:22         ` Ingo Molnar
2008-11-17  8:30           ` Jens Axboe
2008-11-17  8:50             ` Ingo Molnar [this message]
2008-11-17  8:58               ` Jens Axboe
2008-11-17  9:34                 ` Jens Axboe
2008-11-17  9:41                   ` Ingo Molnar
2008-11-17  9:45                     ` Jens Axboe
2008-11-17 11:13                       ` Jens Axboe
2008-11-17 17:08                         ` Jeremy Fitzhardinge
2008-11-17 17:10                           ` Ingo Molnar
2008-11-17 17:15                             ` Jeremy Fitzhardinge
2008-11-17 17:25                               ` Linus Torvalds
2008-11-17 17:35                                 ` Jeremy Fitzhardinge
2008-11-17 18:14                                   ` [PATCH] xen: fix scrub_page() Ingo Molnar
2008-11-17 18:07                                 ` [PATCH] Fix kunmap() argument in sg_miter_stop Jens Axboe
2008-11-17 18:16                                   ` Linus Torvalds
2008-11-17 18:26                                     ` Jens Axboe
2008-11-18  8:27                                       ` Ingo Molnar

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