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Re: [PATCH 3/3] xen/arm: gic-v3: Use vsize instead of csize for virtual CPU interface
- To: Michal Orzel <michal.orzel@xxxxxxx>
- From: Luca Fancellu <Luca.Fancellu@xxxxxxx>
- Date: Thu, 9 Apr 2026 13:40:14 +0000
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Thu, 09 Apr 2026 13:41:26 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH 3/3] xen/arm: gic-v3: Use vsize instead of csize for virtual CPU interface
Hi Michal,
> On 9 Apr 2026, at 12:39, Michal Orzel <michal.orzel@xxxxxxx> wrote:
>
> gicv3_iomem_deny_access() incorrectly uses csize (physical CPU
> interface size) instead of vsize (virtual CPU interface size) when
> calculating the number of pages to deny for the virtual CPU interface
> region at vbase.
>
> Fixes: 8300b3377e ("arm/gic: Add a new callback to deny Dom0 access to GIC
> regions")
> Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
> ---
Reviewed-by: Luca Fancellu <luca.fancellu@xxxxxxx>
Cheers,
Luca
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