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Re: [PATCH v2 9/9] mm: rename vm_ops->find_special_page() to vm_ops->find_normal_page()
- To: David Hildenbrand <david@xxxxxxxxxx>
- From: Wei Yang <richard.weiyang@xxxxxxxxx>
- Date: Tue, 29 Jul 2025 07:53:33 +0000
- Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, nvdimm@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>, "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Suren Baghdasaryan <surenb@xxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Zi Yan <ziy@xxxxxxxxxx>, Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>, Nico Pache <npache@xxxxxxxxxx>, Ryan Roberts <ryan.roberts@xxxxxxx>, Dev Jain <dev.jain@xxxxxxx>, Barry Song <baohua@xxxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Pedro Falcato <pfalcato@xxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Lance Yang <lance.yang@xxxxxxxxx>, David Vrabel <david.vrabel@xxxxxxxxxx>
- Delivery-date: Tue, 29 Jul 2025 07:53:36 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Thu, Jul 17, 2025 at 01:52:12PM +0200, David Hildenbrand wrote:
>... and hide it behind a kconfig option. There is really no need for
>any !xen code to perform this check.
>
>The naming is a bit off: we want to find the "normal" page when a PTE
>was marked "special". So it's really not "finding a special" page.
>
>Improve the documentation, and add a comment in the code where XEN ends
>up performing the pte_mkspecial() through a hypercall. More details can
>be found in commit 923b2919e2c3 ("xen/gntdev: mark userspace PTEs as
>special on x86 PV guests").
>
>Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
>Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
>Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Wei Yang <richard.weiyang@xxxxxxxxx>
--
Wei Yang
Help you, Help me
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