netdev - Re: [PATCH] crypto: aesni-intel

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Date:	Thu, 20 Nov 2014 15:43:42 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Steffen Klassert <steffen.klassert@...unet.com>
Cc:	Ming Liu <ming.liu@...driver.com>, davem@...emloft.net,
	ying.xue@...driver.com, linux-crypto@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] crypto: aesni-intel - avoid IPsec re-ordering

On Thu, Nov 20, 2014 at 08:26:51AM +0100, Steffen Klassert wrote:
>
> What about to use a fallback algorithm that does not need to touch
> FPU/SIMD in such cases? We would not need cryptd at all and it would
> keep the requests in the right order because we don't defer them.

This would be bad for throughput since the fallback is many orders
of magnitude slower than aesni.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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