Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure support

From	Herbert Xu <herbert@gondor.apana.org.au>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure support
Date	2015-11-17 14:10 +0100
Message-ID	<qvObg-5rX-3@gated-at.bofh.it> (permalink)
References	<qp3RM-64M-5@gated-at.bofh.it> <qp3RM-64M-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, Oct 29, 2015 at 03:21:03PM -0700, Tim Chen wrote:
> 
> c) Add support to crypto scatterwalk support that can sleep during
> encryption operation, as we may have buffers for jobs in data lanes
> that are half-finished, waiting for additional jobs to come to fill
> empty lanes before we start the encryption again.  Therefore, we need to
> enhance crypto walk with the option to map data buffers non-atomically.
> This is done by algorithms run from crypto daemon who knows it is safe
> to do so as it can save and restore FPU state in correct context.

What about the existing ablkcipher scatterwalk helpers?

Cheers,
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Email: Herbert Xu <herbert@gondor.apana.org.au>
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Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Herbert Xu <herbert@gondor.apana.org.au> - 2015-11-17 14:10 +0100
  Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Tim Chen <tim.c.chen@linux.intel.com> - 2015-11-18 00:10 +0100
    Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Herbert Xu <herbert@gondor.apana.org.au> - 2015-11-18 01:10 +0100
      Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Tim Chen <tim.c.chen@linux.intel.com> - 2015-11-18 01:40 +0100
        Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Herbert Xu <herbert@gondor.apana.org.au> - 2015-11-18 06:10 +0100
          Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Tim Chen <tim.c.chen@linux.intel.com> - 2015-11-18 17:00 +0100
            Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Herbert Xu <herbert@gondor.apana.org.au> - 2015-11-19 01:20 +0100
              Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Tim Chen <tim.c.chen@linux.intel.com> - 2015-11-19 03:40 +0100
                Re: [PATCH v2 1/5] crypto: Multi-buffer encryptioin infrastructure  support Herbert Xu <herbert@gondor.apana.org.au> - 2015-11-19 10:50 +0100

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