On Thu, Aug 03, 2017 at 12:22:45PM -0700, Greg KH wrote:

On Mon, Jul 31, 2017 at 11:08:30AM +1000, Paul Mackerras wrote:

quoted

commit e47057151422a67ce08747176fa21cb3b526a2c9 upstream.

Commit 46a704f8409f ("KVM: PPC: Book3S HV: Preserve userspace HTM state
properly", 2017-06-15) added code to read transactional memory (TM)
registers but forgot to enable TM before doing so.  The result is
that if userspace does have live values in the TM registers, a KVM_RUN
ioctl will cause a host kernel crash like this:

I also have already taken this one, right?

Yep.  I included it as I hadn't seen the "patch applied" mail from you
when I sent the series.

Paul.