Re: [Xen-devel] [PATCH v4] x86/hvm: Allow guest_request vm_events coming from userspace

2017-08-07 Thread Jan Beulich
>>> Alexandru Stefan ISAILA 08/07/17 10:38 AM >>> ​ Can you please properly use quoting in your replies (and stay away from sending HTML mails, if at all possible)? In your reply below, it is impossible to tell which parts of the mail are actually your comments. Jan >> quoted origina

Re: [Xen-devel] [PATCH v4] x86/hvm: Allow guest_request vm_events coming from userspace

2017-08-07 Thread Alexandru Stefan ISAILA
On Vi, 2017-08-04 at 19:32 -0600, Tamas K Lengyel wrote: On Fri, Aug 4, 2017 at 5:32 AM, Alexandru Isaila mailto:aisa...@bitdefender.com>> wrote: In some introspection usecases, an in-guest agent needs to communicate with the external introspection agent. An existing mechanism is HVMOP_guest_re

Re: [Xen-devel] [PATCH v4] x86/hvm: Allow guest_request vm_events coming from userspace

2017-08-07 Thread Alexandru Stefan ISAILA
​ From: Tamas K Lengyel Sent: Saturday, August 5, 2017 4:32 AM To: Alexandru Stefan ISAILA Cc: Xen-devel; wei.l...@citrix.com; Tim Deegan; Stefano Stabellini; Konrad Rzeszutek Wilk; Jan Beulich; Ian Jackson; George Dunlap; Andrew Cooper; Razvan Cojocaru Subject:

Re: [Xen-devel] [PATCH v4] x86/hvm: Allow guest_request vm_events coming from userspace

2017-08-05 Thread Tamas K Lengyel
On Sat, Aug 5, 2017 at 2:18 AM, Razvan Cojocaru wrote: > On 08/05/2017 04:32 AM, Tamas K Lengyel wrote: > > > > > > On Fri, Aug 4, 2017 at 5:32 AM, Alexandru Isaila > > mailto:aisa...@bitdefender.com>> wrote: > > > > In some introspection usecases, an in-guest agent needs to > communicate > >

Re: [Xen-devel] [PATCH v4] x86/hvm: Allow guest_request vm_events coming from userspace

2017-08-05 Thread Razvan Cojocaru
On 08/05/2017 04:32 AM, Tamas K Lengyel wrote: > > > On Fri, Aug 4, 2017 at 5:32 AM, Alexandru Isaila > mailto:aisa...@bitdefender.com>> wrote: > > In some introspection usecases, an in-guest agent needs to communicate > with the external introspection agent. An existing mechanism is >

Re: [Xen-devel] [PATCH v4] x86/hvm: Allow guest_request vm_events coming from userspace

2017-08-04 Thread Tamas K Lengyel
On Fri, Aug 4, 2017 at 5:32 AM, Alexandru Isaila wrote: > In some introspection usecases, an in-guest agent needs to communicate > with the external introspection agent. An existing mechanism is > HVMOP_guest_request_vm_event, but this is restricted to kernel usecases > like all other hypercalls

Re: [Xen-devel] [PATCH v4] x86/hvm: Allow guest_request vm_events coming from userspace

2017-08-04 Thread Andrew Cooper
On 04/08/17 12:32, Alexandru Isaila wrote: > In some introspection usecases, an in-guest agent needs to communicate > with the external introspection agent. An existing mechanism is > HVMOP_guest_request_vm_event, but this is restricted to kernel usecases > like all other hypercalls. > > Introduce