linux-kernel - Re: DRM Error on Acer Aspire One

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Message-Id: <89k77n$noi3t4@fmsmga001.fm.intel.com>
Date:	Tue, 11 May 2010 20:57:08 +0100
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jaswinder Singh Rajput <jaswinderlinux@...il.com>,
	dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...ux.ie>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Keith Packard <keithp@...thp.com>,
	Eric Anholt <eric@...olt.net>, Ingo Molnar <mingo@...e.hu>
Subject: Re: DRM Error on Acer Aspire One

On Tue, 11 May 2010 12:10:01 -0700, Andrew Morton <akpm@...ux-foundation.org> wrote:
> On Tue, 11 May 2010 19:52:31 +0100
> Chris Wilson <chris@...is-wilson.co.uk> wrote:
> 
> > On Tue, 11 May 2010 11:35:55 -0400, Andrew Morton <akpm@...ux-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@...is-wilson.co.uk>

-- 
Chris Wilson, Intel Open Source Technology Centre
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