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Date: Tue, 17 Nov 2015 16:30:14 -0800 From: Tim Chen <tim.c.chen@...ux.intel.com> To: Herbert Xu <herbert@...dor.apana.org.au> Cc: "H. Peter Anvin" <hpa@...or.com>, "David S.Miller" <davem@...emloft.net>, Stephan Mueller <smueller@...onox.de>, Chandramouli Narayanan <mouli_7982@...oo.com>, Vinodh Gopal <vinodh.gopal@...el.com>, James Guilford <james.guilford@...el.com>, Wajdi Feghali <wajdi.k.feghali@...el.com>, Jussi Kivilinna <jussi.kivilinna@....fi>, linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure support On Wed, 2015-11-18 at 08:07 +0800, Herbert Xu wrote: > On Tue, Nov 17, 2015 at 02:59:29PM -0800, Tim Chen wrote: > > > > Herbert, would you prefer me to use ablkcipher scatter walk instead, > > assuming the overhead of both walk are about the same? > > Well since you are going to potentially sleep in the middle of > an operation I'd think ablkcipher is required, no? We're using blkcipher walk in the implementation. As long as we use kmap and instead of kmap_atomic, it allows us to sleep in the middle of the walk. Tim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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