From: Tim Chen <tim.c.chen@linux.intel.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
"David S.Miller" <davem@davemloft.net>,
Stephan Mueller <smueller@chronox.de>,
Chandramouli Narayanan <mouli_7982@yahoo.com>,
Vinodh Gopal <vinodh.gopal@intel.com>,
James Guilford <james.guilford@intel.com>,
Wajdi Feghali <wajdi.k.feghali@intel.com>,
Jussi Kivilinna <jussi.kivilinna@iki.fi>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure support
Date: Tue, 17 Nov 2015 16:30:14 -0800 [thread overview]
Message-ID: <1447806614.4933.32.camel@schen9-desk2.jf.intel.com> (raw)
In-Reply-To: <20151118000748.GC13894@gondor.apana.org.au>
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
next prev parent reply other threads:[~2015-11-18 0:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1446158797.git.tim.c.chen@linux.intel.com>
2015-10-29 22:20 ` [PATCH v2 0/5] crypto: x86 AES-CBC encryption with multibuffer Tim Chen
2015-10-29 22:21 ` [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure support Tim Chen
2015-11-17 13:06 ` Herbert Xu
2015-11-17 22:59 ` Tim Chen
2015-11-18 0:07 ` Herbert Xu
2015-11-18 0:30 ` Tim Chen [this message]
2015-11-18 5:06 ` Herbert Xu
2015-11-18 15:58 ` Tim Chen
2015-11-19 0:12 ` Herbert Xu
2015-11-19 2:39 ` Tim Chen
2015-11-19 9:39 ` Herbert Xu
2015-10-29 22:21 ` [PATCH v2 2/5] crypto: AES CBC multi-buffer data structures Tim Chen
2015-10-29 22:21 ` [PATCH v2 3/5] crypto: AES CBC multi-buffer scheduler Tim Chen
2015-10-29 22:21 ` [PATCH v2 4/5] crypto: AES CBC by8 encryption Tim Chen
2015-10-29 22:21 ` [PATCH v2 5/5] crypto: AES CBC multi-buffer glue code Tim Chen
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