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RE: [PATCH v1 5/7] xen/x86: move declaration from mem_access.h to altp2m.h
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: "Penny, Zheng" <penny.zheng@xxxxxxx>
- Date: Tue, 18 Nov 2025 11:09:59 +0000
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>, Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 18 Nov 2025 11:10:27 +0000
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- Thread-topic: [PATCH v1 5/7] xen/x86: move declaration from mem_access.h to altp2m.h
[Public]
> -----Original Message-----
> From: Jan Beulich <jbeulich@xxxxxxxx>
> Sent: Thursday, November 13, 2025 5:35 PM
> To: Penny, Zheng <penny.zheng@xxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>; Roger Pau Monné
> <roger.pau@xxxxxxxxxx>; Tamas K Lengyel <tamas@xxxxxxxxxxxxx>; Alexandru
> Isaila <aisaila@xxxxxxxxxxxxxxx>; Petre Pircalabu
> <ppircalabu@xxxxxxxxxxxxxxx>;
> xen-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH v1 5/7] xen/x86: move declaration from mem_access.h to
> altp2m.h
>
> On 13.11.2025 04:16, Penny Zheng wrote:
> > Memory access and ALTP2M are two seperate features, and each could be
> > controlled via VM_EVENT or ALTP2M. In order to avoid implicit
> > declaration when ALTP2M=y and VM_EVENT=n on compiling hvm.o/altp2m.o,
> > we move declaration of the following functions from <asm/mem_access.h> to
> <asm/altp2m.h>:
> > - p2m_set_suppress_ve
> > - p2m_set_suppress_ve_multi
> > - p2m_get_suppress_ve
> > Potential error on altp2m.c also breaks Misra Rule 8.4.
> >
> > Signed-off-by: Penny Zheng <Penny.Zheng@xxxxxxx>
>
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
>
Thx
> This looks to be independent of all earlier changes, and hence could go in
> ahead of
> any of them?
Yes, it could.
>
> Jan
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