DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org;
	h=Received:Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References:X-Mailer:Mime-Version:Content-Type:Content-Transfer-Encoding:X-Identified-User;
	b=tUREBbmI7754wwX253J74hroYa+GyeoXVUGgQL8EcL72yVJfqt7jbMqD/2/Eq+0Lh5gpUbYaX9LwvZDvh4aakbz+logI4aFGI090QNRjWd9WqgIC+zim7XciymAlnYNy;
Date: Tue, 31 Mar 2009 18:57:12 -0700
From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: suresh.b.siddha@intel.com
Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
       Eric Anholt <eric@anholt.net>, lkml <linux-kernel@vger.kernel.org>,
       airlied@gmail.com
Subject: Re: PAGE_CACHE_WC strikes again
Message-ID: <20090331185712.482877d6@hobbes>
In-Reply-To: <1238549424.27006.7757.camel@localhost.localdomain>
References: <1238544647.8369.682.camel@gaiman.anholt.net>
	<20090331171431.69ad044f@hobbes>
	<7E82351C108FA840AB1866AC776AEC4657F48B3E@orsmsx505.amr.corp.intel.com>
	<1238547790.27006.7743.camel@localhost.localdomain>
	<20090331181251.46cf95b1@hobbes>
	<1238549424.27006.7757.camel@localhost.localdomain>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1087
Lines: 26

On Tue, 31 Mar 2009 17:30:24 -0800
Suresh Siddha <suresh.b.siddha@intel.com> wrote:

> On Tue, 2009-03-31 at 18:12 -0700, Jesse Barnes wrote:
> > Right, the drm driver code went in before we had
> > pgprot_writecombine. Now that it's available we should definitely
> > use it.  I'm not sure about the set_memory_* routines though; we
> > create io mappings in i915_dma.c at init time, and I thought we
> > took care of things in i915_gem.c but we may need updates there.
> 
> Jesse, yes i915_gem.c seems to be doing the right thing.
> 
> What about various fault handlers in drm_vm.c like
> drm_do_vm_shm_fault() etc. None of these fault handlers require
> special attributes like wc/uc etc?

Those are legacy.  I don't think they need anything changed...  Dave
could correct me though.

-- 
Jesse Barnes, Intel Open Source Technology Center
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/