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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>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: "Halder, Ayan Kumar" <ayankuma@xxxxxxx>
- Date: Thu, 9 Apr 2026 13:12:59 +0100
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, "Volodymyr Babchuk" <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Thu, 09 Apr 2026 12:13:25 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 09/04/2026 12:39, Michal Orzel 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.
good catch
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: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- Ayan
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