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From: Andi Kleen <andi@firstfloor.org>
To: David Miller <davem@davemloft.net>
Cc: andi@firstfloor.org, airlied@linux.ie,
	dri-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org,
	arnd@arndb.de
Subject: Re: is avoiding compat ioctls possible?
Date: Wed, 28 Oct 2009 09:19:09 +0100	[thread overview]
Message-ID: <20091028081909.GP7744@basil.fritz.box> (raw)
In-Reply-To: <20091028.011141.267473962.davem@davemloft.net>

On Wed, Oct 28, 2009 at 01:11:41AM -0700, David Miller wrote:
> From: Andi Kleen <andi@firstfloor.org>
> Date: Wed, 28 Oct 2009 08:59:08 +0100
> 
> >>  	}
> >> -	chunk_array_ptr = (uint64_t *)(unsigned long)(cs->chunks);
> >> +#ifdef CONFIG_COMPAT
> >> +	if (is_compat_task())
> > 
> > Are the COMPAT ifdefs really needed? The compiler should optimize that
> > away anyways on non compat aware architectures, shouldn't it?
> 
> There are no non-compat is_compat_task() definitions, nor are there
> non-compat build definitions of compat_uptr_t and the assosciated
> interfaces.

That seems wrong then, better fix that too? It would be certainly better
than adding a lot of ifdefs.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.

  reply	other threads:[~2009-10-28  8:19 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-28  1:22 is avoiding compat ioctls possible? Dave Airlie
2009-10-28  2:25 ` David Miller
2009-10-28  3:01   ` Dave Airlie
2009-10-28  2:53 ` Andi Kleen
2009-10-28  3:05   ` Dave Airlie
2009-10-28  3:19     ` Andi Kleen
2009-10-28  3:28       ` Dave Airlie
2009-10-28  3:34         ` Andi Kleen
2009-10-28  3:43           ` David Miller
2009-10-28  3:41         ` David Miller
2009-10-28 21:05       ` Maciej W. Rozycki
2009-10-29  8:27         ` Arnd Bergmann
2009-10-28  3:38     ` David Miller
2009-10-28  3:43       ` Dave Airlie
2009-10-28  3:45         ` David Miller
2009-10-28  3:51           ` Andi Kleen
2009-10-28  3:54           ` Dave Airlie
2009-10-28  5:28             ` David Miller
2009-10-28  5:42               ` Dave Airlie
2009-10-28  6:04                 ` David Miller
2009-10-28  7:53                   ` David Miller
2009-10-28  7:59                     ` Andi Kleen
2009-10-28  8:11                       ` David Miller
2009-10-28  8:19                         ` Andi Kleen [this message]
2009-10-28  8:28                           ` David Miller
2009-10-28 12:13                     ` Arnd Bergmann
2009-10-28 12:16                       ` David Miller
2009-10-28 15:40                         ` Arnd Bergmann
2009-10-29  5:41                           ` David Miller
2009-10-29  8:16                             ` Arnd Bergmann
2009-10-29  8:34                             ` Heiko Carstens
2009-10-29  8:39                               ` David Miller
2009-10-28 12:17                       ` David Miller
2009-10-30  1:13                     ` Dave Airlie
2009-10-30 10:13                       ` Arnd Bergmann
2009-11-18  0:26                         ` Dave Airlie
2009-11-18  9:09                           ` Andi Kleen
2009-11-18 14:42                             ` Arnd Bergmann
2009-10-28  3:37   ` David Miller
2009-10-28  4:36     ` Andi Kleen
2009-10-28  5:29       ` David Miller
2009-10-28 10:27       ` Arnd Bergmann

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