On Tue, Nov 16, 2021 at 02:54:10PM +0100, Andreas Gruenbacher wrote: > On Tue, Nov 16, 2021 at 1:54 AM Sasha Levin <sashal@xxxxxxxxxx> wrote: > > On Mon, Nov 15, 2021 at 06:47:41PM +0100, Andreas Gruenbacher wrote: > > >Greg, > > > > > >On Mon, Nov 15, 2021 at 6:10 PM Greg Kroah-Hartman > > ><gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > >> From: Andreas Gruenbacher <agruenba@xxxxxxxxxx> > > >> > > >> commit 0c8eb2884a42d992c7726539328b7d3568f22143 upstream. > > >> > > >> When switching from __get_user to fault_in_pages_readable, commit > > >> 9f9eae5ce717 broke kvm_use_magic_page: like __get_user, > > >> fault_in_pages_readable returns 0 on success. > > > > > >I've not heard back from the maintainers about this patch so far, so > > >it would probably be safer to leave it out of stable for now. > > > > What do you mean exactly? It's upstream. > > Mathieu Malaterre broke this test in 2018 (commit 9f9eae5ce717) but > that wasn't noticed until now (commit 0c8eb2884a42). This means that > this fix probably isn't critical, so I shouldn't be backported. Then why did you tag it to be explicitly backported to all stable kernels newer than 4.18? We are just doing what you asked to be done here... confused, greg k-h
