Re: [PATCH v7 05/14] crypto: marvell/CESA: add TDMA support

From: Herbert Xu
Date: Wed Jun 17 2015 - 21:42:46 EST

On Wed, Jun 17, 2015 at 05:34:02PM +0200, Boris Brezillon wrote:
> I can check for that too, but note that it doesn't prevent one from
> providing different scatterlist structures pointing to the same memory
> region.

Pointing to the same memory should be fine, it's the act of passing
the same SG list to dma_map_sg twice that's wrong because dma_map_sg
will modify the SG list.

Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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