On Tue, Jun 12, 2018 at 8:26 PM Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> 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. Linus