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Date: Thu, 6 Jun 2019 15:15:48 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Horia Geanta <horia.geanta@....com>
Cc: Ard Biesheuvel <ard.biesheuvel@...aro.org>,
Iuliana Prodan <iuliana.prodan@....com>,
Eric Biggers <ebiggers@...nel.org>,
"David S. Miller" <davem@...emloft.net>,
Sascha Hauer <s.hauer@...gutronix.de>,
"open list:HARDWARE RANDOM NUMBER GENERATOR CORE"
<linux-crypto@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH] crypto: gcm - fix cacheline sharing
On Thu, Jun 06, 2019 at 07:10:06AM +0000, Horia Geanta wrote:
>
> Not really.
> I am in favor of using the HW to update the IV, which would work for all
> skcipher algorithms.
> I have the fix ready, will send it in a couple of days.
OK that would be interesting to see. But I presume you are still
going to do a copy after the DMA unmap since you can't do DMA to
req->iv?
Cheers,
--
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
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