Re: [PATCH] KVM: nVMX: Skip PF interception check when queuing during nested run

[Gleb Natapov <gleb@redhat.com>]

On Sun, Apr 28, 2013 at 02:30:38PM +0000, Ren, Yongjie wrote:
> > -----Original Message-----
> > From: kvm-owner@vger.kernel.org [mailto:kvm-owner@vger.kernel.org]
> > On Behalf Of Jan Kiszka
> > Sent: Sunday, April 28, 2013 3:25 PM
> > To: Gleb Natapov; Marcelo Tosatti
> > Cc: kvm; Nakajima, Jun; Ren, Yongjie
> > Subject: [PATCH] KVM: nVMX: Skip PF interception check when queuing
> > during nested run
> > 
> > From: Jan Kiszka <jan.kiszka@siemens.com>
> > 
> > While a nested run is pending, vmx_queue_exception is only called to
> > requeue exceptions that were previously picked up via
> > vmx_cancel_injection. Therefore, we must not check for PF interception
> > by L1, possibly causing a bogus nested vmexit.
> > 
> > Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> > ---
> > 
> > This and the KVM_REQ_IMMEDIATE_EXIT fix allows me to boot an L2 Linux
> > without problems. Yongjie, please check if it resolves your issue(s) as
> > well.
> > 
> The two patches can fix my issue. When both of them are applied, I can have
> more tests against next branch.
They are both applied now.

--
			Gleb.