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Date:   Thu, 23 Jun 2022 07:43:52 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Dexuan Cui <decui@microsoft.com>
Cc:     hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com,
        iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
        linux-hyperv@vger.kernel.org, mikelley@microsoft.com,
        Andrea.Parri@microsoft.com, Tianyu.Lan@microsoft.com
Subject: Re: [PATCH] dma-direct: use the correct size for
 dma_set_encrypted()
Message-ID: <20220623054352.GA12543@lst.de>
References: <20220622191424.15777-1-decui@microsoft.com>
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On Wed, Jun 22, 2022 at 12:14:24PM -0700, Dexuan Cui wrote:
> The third parameter of dma_set_encrypted() is a size in bytes rather than
> the number of pages.
> 
> Fixes: 4d0564785bb0 ("dma-direct: factor out dma_set_{de,en}crypted helpers")
> Signed-off-by: Dexuan Cui <decui@microsoft.com>

see:

commit 4a37f3dd9a83186cb88d44808ab35b78375082c9 (tag: dma-mapping-5.19-2022-05-25)
Author: Robin Murphy <robin.murphy@arm.com>
Date:   Fri May 20 18:10:13 2022 +0100

    dma-direct: don't over-decrypt memory