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Re: [PATCH v7 9/9] xen: retrieve reserved pages on populate_physmap
- To: Penny Zheng <Penny.Zheng@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 22 Jun 2022 11:26:30 +0200
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- Cc: wei.chen@xxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 22 Jun 2022 09:26:34 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 20.06.2022 04:44, Penny Zheng wrote:
> When a static domain populates memory through populate_physmap at runtime,
> it shall retrieve reserved pages from resv_page_list to make sure that
> guest RAM is still restricted in statically configured memory regions.
> This commit also introduces a new helper acquire_reserved_page to make it
> work.
>
> Signed-off-by: Penny Zheng <penny.zheng@xxxxxxx>
> ---
> v7 changes:
> - remove the lock, since we add the page to rsv_page_list after it has
> been totally freed.
Was this meant to go into another patch? I can't seem to locate respective
code here, and the remark also doesn't give enough suitable context.
Jan
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