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Re: [PATCH v5 8/9] xen: introduce prepare_staticmem_pages
- To: Penny Zheng <Penny.Zheng@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 31 May 2022 10:48:54 +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: Tue, 31 May 2022 08:49:05 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 31.05.2022 05:12, Penny Zheng wrote:
> Later, we want to use acquire_domstatic_pages() for populating memory
> for static domain on runtime, however, there are a lot of pointless work
> (checking mfn_valid(), scrubbing the free part, cleaning the cache...)
> considering we know the page is valid and belong to the guest.
>
> This commit splits acquire_staticmem_pages() in two parts, and
> introduces prepare_staticmem_pages to bypass all "pointless work".
>
> Signed-off-by: Penny Zheng <penny.zheng@xxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
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