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Date:   Fri, 8 Jan 2021 15:41:48 +1100
From:   Herbert Xu <>
To:     Doug Anderson <>
Cc:     Kirill Tkhai <>,
        Ard Biesheuvel <>,
        Arnd Bergmann <>,
        "David S. Miller" <>,
        Linux Crypto Mailing List <>,
        Linux Kernel Mailing List <>
Subject: Re: [PATCH v2] crypto: Fix divide error in do_xor_speed()

On Tue, Jan 05, 2021 at 01:24:18PM -0800, Doug Anderson wrote:
> while I think your fix will avoid the crash and could land as a
> stopgap, it's a sign that we need to run more repetitions on your
> particular setup to get accurate timings.  Your patch will probably
> cause it to just randomly pick one of the implementations.

We can always do a follow-up patch.

Email: Herbert Xu <>
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