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

From	Herbert Xu <herbert@gondor.apana.org.au>
Newsgroups	linux.kernel
Subject	Re: [PATCH v7 05/14] crypto: marvell/CESA: add TDMA support
Date	2015-06-18 03:50 +0200
Message-ID	<pCx7Q-2ke-7@gated-at.bofh.it> (permalink)
References	<pCkDE-1gV-25@gated-at.bofh.it> <pClJn-2N5-1@gated-at.bofh.it> <pCn8u-4W5-25@gated-at.bofh.it> <pCnBv-5tP-1@gated-at.bofh.it>
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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.

Cheers,
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Email: Herbert Xu <herbert@gondor.apana.org.au>
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Re: [PATCH v7 05/14] crypto: marvell/CESA: add TDMA support Herbert Xu <herbert@gondor.apana.org.au> - 2015-06-18 03:50 +0200

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