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Re: [PATCH v4 4/6] xen/p2m: move xenmem_access_to_p2m_access() to common p2m.c
- To: Penny Zheng <Penny.Zheng@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Thu, 15 Jan 2026 10:08:15 -0500
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- Cc: <ray.huang@xxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, "Alexandru Isaila" <aisaila@xxxxxxxxxxxxxxx>, Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, "Michal Orzel" <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, "Stefano Stabellini" <sstabellini@xxxxxxxxxx>
- Delivery-date: Thu, 15 Jan 2026 15:21:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2026-01-15 04:28, Penny Zheng wrote:
Memory access and ALTP2M are two seperate features, while both depending on
helper xenmem_access_to_p2m_access(). So it betters lives in common p2m.c,
other than mem_access.c which will be compiled out when VM_EVENT=n && ALTP2M=y.
Guard xenmem_access_to_p2m_access() with VM_EVENT || ALTP2M, otherwise it
will become unreachable when both VM_EVENT=n and ALTP2M=n, and hence
violating Misra rule 2.1
We also need to move declaration from mem_access.h to p2m-common.h
An extra blank line is inserted after each case-block to correct coding
style at the same time.
Signed-off-by: Penny Zheng <Penny.Zheng@xxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
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