From: Miklos Szeredi <miklos@szeredi.hu>
To: Christian Brauner <brauner@kernel.org>
Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
"Alistair Popple" <apopple@nvidia.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Haiyue Wang" <haiyuewa@163.com>,
"David Hildenbrand" <david@redhat.com>,
"Vivek Goyal" <vgoyal@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Eugenio Pérez" <eperezma@redhat.com>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"open list:VIRTIO FILE SYSTEM" <virtualization@lists.linux.dev>,
"open list" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] fuse: virtio_fs: fix page fault for DAX page address
Date: Thu, 4 Sep 2025 14:10:45 +0200 [thread overview]
Message-ID: <CAJfpegswS_KRpOxsCYCR9-z3uCGKrJz_=-c1__CHimHC7Y=M2Q@mail.gmail.com> (raw)
In-Reply-To: <20250904120339.972-1-haiyuewa@163.com>
On Thu, 4 Sept 2025 at 14:04, Haiyue Wang <haiyuewa@163.com> 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@redhat.com>
Christian, can you please pick this up?
Thanks,
Miklos
next prev parent reply other threads:[~2025-09-04 12:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-04 12:01 Haiyue Wang
2025-09-04 12:10 ` Miklos Szeredi [this message]
2025-09-05 13:56 ` Christian Brauner
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