On Thu, 4 Sept 2025 at 14:04, Haiyue Wang <haiyuewa@xxxxxxx> wrote:
>
> The commit ced17ee32a99 ("Revert "virtio: reject shm region if length is zero"")
> exposes the following DAX page fault bug (this fix the failure that getting shm
> region alway returns false because of zero length):
>
> The commit 21aa65bf82a7 ("mm: remove callers of pfn_t functionality") handles
> the DAX physical page address incorrectly: the removed macro 'phys_to_pfn_t()'
> should be replaced with 'PHYS_PFN()'.
Reviewed-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Christian, can you please pick this up?
Thanks,
Miklos
