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Date: Tue, 11 May 2010 20:57:08 +0100
To: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: DRM Error on Acer Aspire One
Cc: Jaswinder Singh Rajput <jaswinderlinux@gmail.com>,
       dri-devel@lists.freedesktop.org, Dave Airlie <airlied@linux.ie>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Keith Packard <keithp@keithp.com>, Eric Anholt <eric@anholt.net>,
       Ingo Molnar <mingo@elte.hu>
References: <AANLkTilSNZ11CaRUH5s3w6NoAnDQ5t7U9Y0Ce-iHpq3O@mail.gmail.com> <89kc63$grtht6@fmsmga002.fm.intel.com> <20100511104818.8382a7de.akpm@linux-foundation.org> <89khjo$fd26d3@orsmga002.jf.intel.com> <20100511113555.a78c9c8e.akpm@linux-foundation.org> <89kc63$grv1m8@fmsmga002.fm.intel.com> <20100511121001.0731a9c2.akpm@linux-foundation.org>
From: Chris Wilson <chris@chris-wilson.co.uk>
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On Tue, 11 May 2010 12:10:01 -0700, Andrew Morton <akpm@linux-foundation.org> wrote:
> On Tue, 11 May 2010 19:52:31 +0100
> Chris Wilson <chris@chris-wilson.co.uk> wrote:
> 
> > On Tue, 11 May 2010 11:35:55 -0400, Andrew Morton <akpm@linux-foundation.org> wrote:
> > > No, io_mapping_map_atomic_wc() cannot be used from [soft]irq context:
> > > it hardwires use of KM_USER0.  I suggest that io_mapping_create_wc(),
> > > io_mapping_map_atomic_wc() etc be changed so that the caller passes in the
> > > KM_foo kmap slot index.
> > 
> > Argh, sorry for the noise, read the mail in the wrong order. Thanks for
> > the review. It would be sensible to go with your simpler patch whilst
> > io_mapping_map_atomic_wc() is improved.
> 
> OK.  I'll be sending a bunch of fixes Linuswards in an hour or two.  
> Should I include this?

Yes.

Acked-by: Chris Wilson <chris@chris-wilson.co.uk>

-- 
Chris Wilson, Intel Open Source Technology Centre