Messages in this thread | | | Subject | Re: [PATCH x86 kvm] Fix register corruption in pvclock_scale_delta | From | Ian Campbell <> | Date | Wed, 22 Jun 2011 10:52:01 +0100 |
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On Wed, 2011-06-22 at 10:40 +0100, Avi Kivity wrote: > On 06/22/2011 12:35 PM, Ian Campbell wrote: > > On Sun, 2011-06-19 at 15:44 +0300, Avi Kivity wrote: > > > On 06/16/2011 06:50 AM, Zachary Amsden wrote: > > > > The 128-bit multiply in pvclock.h was missing an output constraint for > > > > EDX which caused a register corruption to appear. > > > > Was there any particular symptom associated with corruption at that > > particular point or just general badness? > > > > Time went backwards and forwards as vcpus were migrated across cpus.
Oops!
> The problem was in the host, not the guest, so Xen should not be affected.
Good to know, thanks!
Ian.
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