[SRU][Xenial][PATCH 0/1] Fixes for LP#1714859

Daniel Axtens dja at axtens.net
Mon Sep 4 23:39:04 UTC 2017

[SRU Justification]

ppc64le system OOPSes shortly after boot when KVM guests are started.

Cherry-pick patch e47057151422a67ce08747176fa21cb3b526a2c9

Tested at IBM - boot a machine with a KVM guest configured to start at
boot. Without this patch, observe OOPS, with this patch, observe no

[Regression Potential]
Patch is contained in arch/powerpc; so regression potential limited to
that arch. Patch accepted to kernel stable trees, suggesting others
also believe it to be of low risk.

Not applicable to Zesty (as far as I can tell) as Zesty hasn't pulled
in 46a704f8409f7 ("KVM: PPC: Book3S HV: Preserve userspace HTM state

Paul Mackerras (1):
  KVM: PPC: Book3S HV: Enable TM before accessing TM registers

 arch/powerpc/kvm/book3s_hv.c | 2 ++
 1 file changed, 2 insertions(+)


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