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Re: [XEN v5 07/10] xen/arm: Restrict zeroeth_table_offset for ARM_64
- To: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Michal Orzel <michal.orzel@xxxxxxx>
- Date: Fri, 21 Apr 2023 10:03:23 +0200
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- Delivery-date: Fri, 21 Apr 2023 08:03:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hi Ayan,
On 13/04/2023 19:37, Ayan Kumar Halder wrote:
>
>
> When 32 bit physical addresses are used (ie PHYS_ADDR_T_32=y),
> "va >> ZEROETH_SHIFT" causes an overflow.
> Also, there is no zeroeth level page table on Arm32.
>
> Also took the opportunity to clean up dump_pt_walk(). One could use
> DECLARE_OFFSETS() macro instead of declaring the declaring an array
s/declaring the declaring/declaring/
> of page table offsets.
>
> Signed-off-by: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
Reviewed-by: Michal Orzel <michal.orzel@xxxxxxx>
~Michal
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