linux-kernel - Re: [PATCH 2/2] crypto: talitos - do not perform unnecessary dma synchronisation

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Message-ID: <20180309151759.GD13567@gondor.apana.org.au>
Date:   Fri, 9 Mar 2018 23:17:59 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Horia Geanta <horia.geanta@....com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH  2/2] crypto: talitos - do not perform unnecessary dma
 synchronisation

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@....fr>

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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