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
Date: Tue, 31 Mar 2009 18:57:12 -0700 [thread overview]
Message-ID: <20090331185712.482877d6@hobbes> (raw)
In-Reply-To: <1238549424.27006.7757.camel@localhost.localdomain>
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
next prev parent reply other threads:[~2009-04-01 1:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-01 0:10 Eric Anholt
2009-04-01 0:14 ` Jesse Barnes
2009-04-01 0:29 ` Pallipadi, Venkatesh
2009-04-01 0:49 ` Jesse Barnes
2009-04-01 1:03 ` Suresh Siddha
2009-04-01 1:12 ` Jesse Barnes
2009-04-01 1:30 ` Suresh Siddha
2009-04-01 1:57 ` Jesse Barnes [this message]
2009-04-01 3:18 ` Dave Airlie
2009-04-01 3:17 ` Pallipadi, Venkatesh
2009-04-01 1:22 ` Jesse Barnes
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