linux-kernel - Re: [PATCH 1/2] xen/virtio: Fix n_pages calculation in xen_grant_dma_map(unmap)

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Message-ID: <8abd9c77-286f-903c-d398-3d441bf830a6@suse.com>
Date:   Thu, 6 Oct 2022 07:06:00 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Oleksandr Tyshchenko <olekstysh@...il.com>,
        xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Cc:     Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
        Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH 1/2] xen/virtio: Fix n_pages calculation in
 xen_grant_dma_map(unmap)_page()

On 05.10.22 19:48, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>
> 
> Take page offset into the account when calculating the number of pages
> to be granted.
> 
> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>
> Fixes: d6aca3504c7d ("xen/grant-dma-ops: Add option to restrict memory access under Xen")

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen


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