Messages in this thread | | | Date | Wed, 19 Nov 2014 12:27:04 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v2 01/10] crypto: AF_ALG: add user space interface for AEAD |
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On Wed, Nov 19, 2014 at 05:20:42AM +0100, Stephan Mueller wrote: > > When looking deeper into skcipher_sendmsg, I see that the input data is copied > into the kernel using memcpy_fromiovec. The memory is allocated before the > memcpy call by skcipher_alloc_sgl.
Zero-copy is done through sendpage.
Cheers, -- Email: Herbert Xu <herbert@gondor.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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