From: Herbert Xu <herbert@gondor.apana.org.au>
To: Gary R Hook <gary.hook@amd.com>
Cc: linux-crypto@vger.kernel.org, thomas.lendacky@amd.com,
davem@davemloft.net
Subject: Re: [PATCH] crypto: ccp - Make some CCP DMA channels private
Date: Fri, 24 Mar 2017 22:18:07 +0800 [thread overview]
Message-ID: <20170324141807.GM14780@gondor.apana.org.au> (raw)
In-Reply-To: <20170323175330.8742.62747.stgit@taos>
On Thu, Mar 23, 2017 at 12:53:30PM -0500, Gary R Hook wrote:
> The CCP registers its queues as channels capable of handling
> general DMA operations. The NTB driver will use DMA if
> directed, but as public channels can be reserved for use in
> asynchronous operations some channels should be held back
> as private. Since the public/private determination is
> handled at a device level, reserve the "other" (secondary)
> CCP channels as private.
>
> Add a module parameter that allows for override, to be
> applied to all channels on all devices.
>
> CC: <stable@vger.kernel.org> # 4.10.x-
> Signed-off-by: Gary R Hook <gary.hook@amd.com>
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
prev parent reply other threads:[~2017-03-24 14:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-23 17:53 [PATCH] crypto: ccp - Make some CCP DMA channels private Gary R Hook
2017-03-24 14:18 ` Herbert Xu [this message]
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