[PATCH] fsldma: add support to 36-bit physical address
dan.j.williams at intel.com
Fri Sep 24 08:11:57 EST 2010
On Tue, Sep 21, 2010 at 10:41 PM, Kumar Gala <galak at kernel.crashing.org> wrote:
> On Sep 21, 2010, at 5:34 PM, Timur Tabi wrote:
>> On Tue, Sep 21, 2010 at 5:17 PM, Scott Wood <scottwood at freescale.com> wrote:
>>> It needs to be the actual device that is performing the DMA -- the
>>> platform may need to do things such as IOMMU manipulation where
>>> knowing the device matters.
>> Ok, this all makes sense. So it appears that the patch is valid, at
>> least in theory. I would like to see some testing of it, but I
>> realize that may be too difficult. There's no easy way to force an
>> allocation above 4GB.
> I think the patch is pretty safe w/o testing. However I agree we need a better solution to testing 36-bit addressing.
I'll take that as an acked-by, but I'll wait for the next version of
the patch with the completed changelog before acting on it.
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