[PATCH 4/6] staging: vc04_services: Remove dmac_map_area

[Eric Anholt]

Greg KH <gregkh at linuxfoundation.org> writes:

> On Wed, Oct 19, 2016 at 01:37:30AM -0700, Michael Zoran wrote:
>> >From 8084d0832baf89990adef43a62801fccde20d0d8 Mon Sep 17 00:00:00 2001
>> F
>> rom: Michael Zoran <mzoran at crowfest.net>
>> Date: Wed, 19 Oct 2016 00:54:11
>> -0700
>> Subject: [PATCH 4/6] staging: vc04_services: Remove dmac_map_area
>> 
>> T
>> he arm specific code of VCHIQ uses dmac_map_area which is
>> not currently
>> supported on arm64.  This change adds
>> an architecture neutral
>> replacement based on
>> dma_map_page that does not use this feature.
>
> From what I can read in this email, I like the patch, but have you
> noticed any performance issues?  I know the comment says they are doing
> this "for a good reason", but is there really one?

Performance tests were in the cover letter.  They should probably be in
this commit message, though.
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