Re: [PATCH v3 1/4] mm: Fix invalid page pointer returned with FOLL_PIN gups

[Christoph Hellwig]

On Thu, Feb 03, 2022 at 01:32:29AM -0800, John Hubbard wrote:
> From: Peter Xu <peterx@xxxxxxxxxx>
> 
> Alex reported invalid page pointer returned with pin_user_pages_remote() from
> vfio after upstream commit 4b6c33b32296 ("vfio/type1: Prepare for batched
> pinning with struct vfio_batch").  This problem breaks NVIDIA vfio mdev.

There still isn't any nvidia vfio mdev driver in the tree, so this
changelog stilldoesn't make sense.