Re: [Xen-devel] [PATCH] x86/HVM: prevent infinite VM entry retries

2014-11-27 Thread Jan Beulich
>>> On 27.11.14 at 13:46, wrote: > On 27/11/14 12:39, Jan Beulich wrote: >> if ( unlikely(exit_reason == VMEXIT_INVALID) ) >> { > > I think it would be good to retain the printk here from previous > versions of the patch, specifically identifies the below vmcb dump as > caused by a fail

Re: [Xen-devel] [PATCH] x86/HVM: prevent infinite VM entry retries

2014-11-27 Thread Andrew Cooper
On 27/11/14 12:39, Jan Beulich wrote: > This reverts the VMX side of commit 28b4baac ("x86/HVM: don't crash > guest upon problems occurring in user mode") and gets SVM in line with > the resulting VMX behavior. This is because Andrew validly says > > "A failed vmentry is overwhelmingly likely to be

[Xen-devel] [PATCH] x86/HVM: prevent infinite VM entry retries

2014-11-27 Thread Jan Beulich
This reverts the VMX side of commit 28b4baac ("x86/HVM: don't crash guest upon problems occurring in user mode") and gets SVM in line with the resulting VMX behavior. This is because Andrew validly says "A failed vmentry is overwhelmingly likely to be caused by corrupt VMC[SB] state. As a result