From: Herbert Xu <herbert@gondor.apana.org.au>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: "David S. Miller" <davem@davemloft.net>,
Horia Geanta <horia.geanta@nxp.com>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 2/2] crypto: talitos - do not perform unnecessary dma synchronisation
Date: Fri, 9 Mar 2018 23:17:59 +0800 [thread overview]
Message-ID: <20180309151759.GD13567@gondor.apana.org.au> (raw)
In-Reply-To: <e57399f4eb1de4b6330a47bdf8c82c9982999a8e.1519660621.git.christophe.leroy@c-s.fr>
On Mon, Feb 26, 2018 at 05:40:06PM +0100, Christophe Leroy wrote:
> req_ctx->hw_context is mainly used only by the HW. So it is not needed
> to sync the HW and the CPU each time hw_context in DMA mapped.
> This patch modifies the DMA mapping in order to limit synchronisation
> to necessary situations.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2018-03-09 15:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-26 16:40 [PATCH 1/2] crypto: talitos - don't persistently map req_ctx->hw_context and req_ctx->buf Christophe Leroy
2018-02-26 16:40 ` [PATCH 2/2] crypto: talitos - do not perform unnecessary dma synchronisation Christophe Leroy
2018-03-09 15:17 ` Herbert Xu [this message]
2018-03-02 18:19 ` [PATCH 1/2] crypto: talitos - don't persistently map req_ctx->hw_context and req_ctx->buf Horia Geantă
2018-03-09 15:17 ` Herbert Xu
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