linux-kernel - Re: [RFC/RFT PATCH 00/15] crypto: improved skcipher, aead, and hash tests

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Message-ID: <20190124092359.hvizqdi2ptjdsot7@gondor.apana.org.au>
Date:   Thu, 24 Jan 2019 17:23:59 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:     Eric Biggers <ebiggers@...nel.org>,
        "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
        <linux-crypto@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Jason A . Donenfeld" <Jason@...c4.com>
Subject: Re: [RFC/RFT PATCH 00/15] crypto: improved skcipher, aead, and hash
 tests

On Thu, Jan 24, 2019 at 09:50:35AM +0100, Ard Biesheuvel wrote:
>
> Thanks for yet another round of cleanup
> 
> I'll look into these, but I'd like to clarify one thing first.
> 
> IIUC, you are trying to deal with the case where a single scatterlist
> element describes a range that strides two pages, and I wonder if that
> is a valid use of scatterlists in the first place.
> 
> Herbert?

Yes it is valid.  IIRC the network stack may generate such a
scatterlist.

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