linux-kernel - Re: [PATCH v2 0/4] Introduce bulk mode for crypto engine framework

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Message-ID: <20160415134849.GA32694@gondor.apana.org.au>
Date:	Fri, 15 Apr 2016 21:48:49 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Baolin Wang <baolin.wang@...aro.org>
Cc:	davem@...emloft.net, agk@...hat.com, snitzer@...hat.com,
	axboe@...com, dm-devel@...hat.com, akpm@...ux-foundation.org,
	david.s.gordon@...el.com, thomas.lendacky@....com,
	robert.jarzmik@...e.fr, yamada.masahiro@...ionext.com,
	smueller@...onox.de, tadeusz.struk@...el.com,
	standby24x7@...il.com, shli@...nel.org, broonie@...nel.org,
	linus.walleij@...aro.org, arnd@...db.de,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
	linux-raid@...r.kernel.org
Subject: Re: [PATCH v2 0/4] Introduce bulk mode for crypto engine framework

On Tue, Mar 15, 2016 at 03:47:58PM +0800, Baolin Wang wrote:
> Now some cipher hardware engines prefer to handle bulk block by merging requests
> to increase the block size and thus increase the hardware engine processing speed.
> 
> This patchset introduces request bulk mode to help the crypto hardware drivers
> improve in efficiency.

Could you please explain why this merging can't be done in dm-crypt
instead?

Thanks,
-- 
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