Re: [GIT PULL] KVM changes for 4.18 merge window

From: Greg Kroah-Hartman
Date: Wed Jun 13 2018 - 00:49:09 EST


On Tue, Jun 12, 2018 at 08:52:08PM -0700, Linus Torvalds wrote:
> 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.

I should have read the whole thread :)

The revert is fine, I'll work on the kvm debugfs file stuff for 4.19.

thanks,

greg k-h