linux-kernel - Re: Intel QAT on A2SDi-8C-HLN4F causes massive data corruption with dm-crypt + xfs

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Date:   Tue, 1 Mar 2022 11:26:37 +1200
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Giovanni Cabiddu <giovanni.cabiddu@...el.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Kyle Sanderson <kyle.leet@...il.com>,
        Dave Chinner <david@...morbit.com>, qat-linux@...el.com,
        Linux-Kernal <linux-kernel@...r.kernel.org>,
        linux-xfs <linux-xfs@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        device-mapper development <dm-devel@...hat.com>,
        Greg KH <gregkh@...uxfoundation.org>
Subject: Re: Intel QAT on A2SDi-8C-HLN4F causes massive data corruption with
 dm-crypt + xfs

On Mon, Feb 28, 2022 at 08:39:11PM +0000, Giovanni Cabiddu wrote:
>
> The dm-crypt + QAT use-case is already disabled since kernel 5.10 due to
> a different issue.

Indeed, qat has been disabled for dm-crypt since

commit b8aa7dc5c7535f9abfca4bceb0ade9ee10cf5f54
Author: Mikulas Patocka <mpatocka@...hat.com>
Date:   Thu Jul 9 23:20:41 2020 -0700

    crypto: drivers - set the flag CRYPTO_ALG_ALLOCATES_MEMORY

So this should no longer be an issue with an up-to-date kernel.

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