On Tue, Jun 12, 2018 at 08:52:08PM -0700, Linus Torvalds wrote:
> On Tue, Jun 12, 2018 at 8:26 PM Linus Torvalds
> <torva...@linux-foundation.org> wrote:
> > Ok, so commit 95cde3c59966 ("debugfs: inode: debugfs_create_dir uses
> > mode permission from parent") breaks lkvm, and I think qemu-kvm too.
> > The commit looks like the RightThing(tm) to do, but we do not break
> > existing work-flows, no matter how much we'd like to. So it gets
> > reverted.
> I suspect it's the special kvm debugfs entries - see kvm_create_vm_debugfs()
> Anyway, I've verified that both qemu-kvm and kvm-tool work fine with
> the revert in place.
I should have read the whole thread :)
The revert is fine, I'll work on the kvm debugfs file stuff for 4.19.