ACK: [Utopic][SRU][PATCH 0/2] Fix for LP #1448269

[Seth Forshee]

On Thu, Jun 25, 2015 at 11:56:00AM -0500, Chris J Arges wrote:
> BugLink: http://bugs.launchpad.net/bugs/1448269
> 
> [Impact]
> Users of nested KVM may experience the L1 VM hanging when booting an L2 VM.
> Overall this seems to be due to issues with external interrupts not reaching L1
> when L2 gets booted.
> 
> [Test Case]
> Run a nested KVM instance:
> https://gist.github.com/arges/9d21c6da03a8c10d3980
> 
> [Fix]
> commit 4fa7734c62cdd8c07edd54fa5a5e91482273071a
> commit f3380ca5d7edb5e31932998ab2e29dfdce39c5ed
> 
> I've tested kvm-unit-tests on this before and after the change, and the results
> are identical.
> 
> Paolo Bonzini (1):
>   KVM: nVMX: fix lifetime issues for vmcs02
> 
> Wanpeng Li (1):
>   KVM: nVMX: Fix nested vmexit ack intr before load vmcs01
> 
>  arch/x86/kvm/vmx.c | 51 ++++++++++++++++++++++++++++++++++-----------------
>  1 file changed, 34 insertions(+), 17 deletions(-)

A little hairy, but both are clean cherry picks with positive test
results. Ack for both.