Re: [PATCH 0/2] Lapic LDR fixup

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Paolo Bonzini (pbonzini@redhat.com) wrote:
> On 17/11/2017 12:52, Dr. David Alan Gilbert (git) wrote:
> > From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> > 
> > In x2apic mode the LDR should be fixed, however
> > it gets overwritten when the lapic state is loaded
> > after a migration.  Change the fixup to keep LDR constant.
> > 
> > Dave
> > 
> > Dr. David Alan Gilbert (2):
> >   KVM: lapic: Split out x2apic ldr calculation
> >   KVM: lapic: Fixup LDR on load in x2apic
> > 
> >  arch/x86/kvm/lapic.c | 12 +++++++++++-
> >  1 file changed, 11 insertions(+), 1 deletion(-)
> > 
> 
> Queued, thanks.

Hang on, there's something not right here.
I've got a Linux guest migration that's unstable with this
patch.
(Tasks blocked for >22seconds, generally memory related, so I'm
wondering if it's IPIs not happening)

I'll get back to you next week.

Dave

> Paolo
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK