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SubjectRe: [GIT PULL] KVM changes for 4.18 merge window
On Tue, Jun 12, 2018 at 8:00 PM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> Yeah, the biusection seems to actually be diving into Greg's device pulls.
>
> Odd. I'm not seeing why that would break kvm, but maybe there's
> something in the device core layer that really messed it up.
>
> I'll continue to bisect to see.

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.

Greg, Thomas, perhaps some alternative model? I'm not sure exactly
what kvm needs from debugfs.

Linus

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