On Wed, Jun 20, 2012 at 04:15:13PM -0500, Anthony Liguori wrote:
> On 06/19/2012 01:39 AM, Benjamin Herrenschmidt wrote:
> >From: David Gibson<da...@gibson.dropbear.id.au>
> >
> >This patch adds cpu_physical_memory_set() function. This is equivalent to
> >calling cpu_physical_memory_write() with a buffer filled with a character,
> >ie, a memset of target memory.
> >
> >It uses a small temporary buffer on the stack.
> >
> >Signed-off-by: David Gibson<da...@gibson.dropbear.id.au>
> >Signed-off-by: Benjamin Herrenschmidt<b...@kernel.crashing.org>
>
> Why should this be in the core API? Shouldn't this be a helper on
> top of the DMA API?
Well, I was hoping to avoid having to allocate a temporary buffer of
zeroes, which is necessary to do this in terms of the existing
cpu_physical_memory_write() api.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
