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Re: [XEN PATCH v3 2/6] x86/intel: move vmce_has_lmce() routine to header
- To: Sergiy Kibrik <sergiy_kibrik@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 21 May 2024 12:19:19 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 21 May 2024 10:19:33 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 21.05.2024 12:00, Sergiy Kibrik wrote:
> 21.05.24 09:05, Jan Beulich:
>>> This is because MCG_LMCE_P is defined in arch/x86/cpu/mcheck/x86_mca.h
>>> -- so either MCG_LMCE_P (+ a bunch of MCG_* declarations) has to be
>>> moved to common header to be accessible, or local x86_mca.h got to be
>>> included from common arch/x86/include/asm/mce.h.
>>>
>>> As for the MCG_* declarations movement I didn't think there's a good
>>> enough reason to do it; as for the inclusion of x86_mca.h it didn't look
>>> nice at all.
>> I'm afraid I don't follow the latter: Why's including x86_mca.h any worse
>> than what you do right now?
>
> To include x86_mca.h from asm/mce.h something like this line would be
> needed:
>
> #include "../../cpu/mcheck/x86_mca.h"
>
> I've found only two include-s of such kind, so I presume they're not common.
Indeed, and I have to apologize for not reading your earlier reply quite
right.
Jan
> Besides xen/sched.h includes asm/mce.h before declaration of struct
> vcpu, so body of vmce_has_lmce(const struct vcpu *v) can't really be
> compiled in asm/mce.h
>
> -Sergiy
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