On Fri, Jun 04, 2021 at 02:25:01PM +0200, Vitaly Kuznetsov wrote:
> Commit ccf953d8f3d6 ("fb_defio: Remove custom address_space_operations")
> seems to be breaking Hyper-V framebuffer
https://lore.kernel.org/linux-mm/YLZUrEjVJWBGGMxf@phenom.ffwll.local/