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Re: [PATCH v4 04/11] xen: introduce domain-layout.h with common domain_use_host_layout()
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 7 May 2026 09:25:23 +0200
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- Cc: Romain Caritey <Romain.Caritey@xxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 07 May 2026 07:25:36 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 06.05.2026 17:47, Oleksii Kurochko wrote:
> On 5/4/26 2:59 PM, Jan Beulich wrote:
>> On 28.04.2026 16:33, Oleksii Kurochko wrote:
>>> --- /dev/null
>>> +++ b/xen/include/xen/domain-layout.h
>>> @@ -0,0 +1,27 @@
>>> +#ifndef __XEN_DOMAIN_LAYOUT_H__
>>> +#define __XEN_DOMAIN_LAYOUT_H__
>>> +
>>> +#include <xen/domain.h>
>>
>> This isn't really needed. It is ...
>>
>>> +#include <xen/paging.h>
>>> +#include <xen/sched.h>
>>
>> ... included by this one anyway (pretty much unavoidably right now, I
>> guess).
>
> Then it will be needed to re-order them.
>
> Do you want to put the comment above xen/sched.h:
>
> /*
> * Ensure xen/sched.h is included before xen/paging.h, since paging.h
> depends
> * on xen/domain.h, which is pulled in via sched.h.
> */
> #include <xen/sched.h>
> #include <xen/paging.h>
>
> or just add this to commit message instead?
No. xen/paging.h only includes two asm/*.h, so doesn't itself require anything.
If there's anything missing for that header to be included first, I would assume
it's then RISC-V's asm/paging.h or asm/p2m.h which lack a necessary #include?
Yet without you indicating what exactly the missing piece is, this is somewhat
guesswork on my part.
Jan
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