linux-kernel - Re: [RFC PATCH 2/2] Crypto kernel tls socket

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Message-ID: <20151124115040.GK30089@oracle.com>
Date:	Tue, 24 Nov 2015 06:50:40 -0500
From:	Sowmini Varadhan <sowmini.varadhan@...cle.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	Stephan Mueller <smueller@...onox.de>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Tom Herbert <tom@...bertland.com>, netdev@...r.kernel.org,
	davem@...emloft.net, linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-team@...com
Subject: Re: [RFC PATCH 2/2] Crypto kernel tls socket

On (11/24/15 12:20), Hannes Frederic Sowa wrote:
> There are some crypto acclerators out there so that putting tls into the
> kernel would give a net benefit, because otherwise user space has to
> copy data into the kernel for device access and back to user space until
> it can finally be send out on the wire.
> 
> Since processors provide aesni and other crypto extensions as part of
> their instruction set architecture, this, of course, does not make sense
> any more.

BTW, that, exactly, was what happened to Solaris kssl. 

--Sowmini


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