Re: [Xen-devel] [PATCH for-4.5] x86/HVM: Partial revert of 28b4baacd5

2014-11-25 Thread Jan Beulich
On 25.11.14 at 11:08, andrew.coop...@citrix.com wrote: A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state. As a result, injecting a fault and retrying the the vmentry is likely to fail in the same way. That's not all that unlikely - remember that the change was

Re: [Xen-devel] [PATCH for-4.5] x86/HVM: Partial revert of 28b4baacd5

2014-11-25 Thread Tim Deegan
At 10:08 + on 25 Nov (1416906538), Andrew Cooper wrote: A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state. As a result, injecting a fault and retrying the the vmentry is likely to fail in the same way. In particular, the guest's privilege level won't change until

Re: [Xen-devel] [PATCH for-4.5] x86/HVM: Partial revert of 28b4baacd5

2014-11-25 Thread Andrew Cooper
On 25/11/14 10:42, Jan Beulich wrote: On 25.11.14 at 11:08, andrew.coop...@citrix.com wrote: A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state. As a result, injecting a fault and retrying the the vmentry is likely to fail in the same way. That's not all that

Re: [Xen-devel] [PATCH for-4.5] x86/HVM: Partial revert of 28b4baacd5

2014-11-25 Thread Jan Beulich
On 25.11.14 at 11:46, andrew.coop...@citrix.com wrote: On 25/11/14 10:42, Jan Beulich wrote: On 25.11.14 at 11:08, andrew.coop...@citrix.com wrote: A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state. As a result, injecting a fault and retrying the the vmentry is

Re: [Xen-devel] [PATCH for-4.5] x86/HVM: Partial revert of 28b4baacd5

2014-11-25 Thread Andrew Cooper
On 25/11/14 10:46, Andrew Cooper wrote: On 25/11/14 10:42, Jan Beulich wrote: On 25.11.14 at 11:08, andrew.coop...@citrix.com wrote: A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state. As a result, injecting a fault and retrying the the vmentry is likely to fail

Re: [Xen-devel] [PATCH for-4.5] x86/HVM: Partial revert of 28b4baacd5

2014-11-25 Thread Jan Beulich
On 25.11.14 at 11:58, andrew.coop...@citrix.com wrote: On 25/11/14 10:46, Andrew Cooper wrote: On 25/11/14 10:42, Jan Beulich wrote: On 25.11.14 at 11:08, andrew.coop...@citrix.com wrote: A failed vmentry is overwhelmingly likely to be caused by corrupt VMCS state. As a result, injecting a

Re: [Xen-devel] [PATCH for-4.5] x86/HVM: Partial revert of 28b4baacd5

2014-11-25 Thread Andrew Cooper
On 25/11/14 11:31, Jan Beulich wrote: On 25.11.14 at 11:58, andrew.coop...@citrix.com wrote: On 25/11/14 10:46, Andrew Cooper wrote: On 25/11/14 10:42, Jan Beulich wrote: On 25.11.14 at 11:08, andrew.coop...@citrix.com wrote: A failed vmentry is overwhelmingly likely to be caused by corrupt

Re: [Xen-devel] [PATCH for-4.5] x86/HVM: Partial revert of 28b4baacd5

2014-11-25 Thread Jan Beulich
On 25.11.14 at 13:10, andrew.coop...@citrix.com wrote: On 25/11/14 11:31, Jan Beulich wrote: On 25.11.14 at 11:58, andrew.coop...@citrix.com wrote: On 25/11/14 10:46, Andrew Cooper wrote: On 25/11/14 10:42, Jan Beulich wrote: On 25.11.14 at 11:08, andrew.coop...@citrix.com wrote: A failed