Re: [Xen-devel] Question about the XEN platform pci

2016-04-12 Thread karim.allah.ah...@gmail.com
The INTx interrupt of this platform device can be used by Xen in HVM case to notify the guest of pending events in the event channel. However that's usually not used in favor of vector callbacks support in Xen where a vector is injected directly to the vCPU bypassing LAPIC. (that said, the platfor

Re: [Xen-devel] Question about the XEN platform pci

2016-04-13 Thread karim.allah.ah...@gmail.com
On Tue, Apr 12, 2016 at 5:45 PM, Konrad Rzeszutek Wilk wrote: > On Tue, Apr 12, 2016 at 05:33:47PM +0200, karim.allah.ah...@gmail.com wrote: >> The INTx interrupt of this platform device can be used by Xen in HVM case to >> notify the guest of pending events in the event channel.

Re: [Xen-devel] Question about the XEN platform pci

2016-04-13 Thread karim.allah.ah...@gmail.com
On Wed, Apr 13, 2016 at 9:28 AM, Wu, Bob wrote: > > From: karim.allah.ah...@gmail.com [mailto:karim.allah.ah...@gmail.com] > Sent: 2016年4月13日 15:00 > To: Konrad Rzeszutek Wilk > Cc: Wu, Bob; xen-de...@lists.xenproject.org > Subject: Re: [Xen-devel] Question about the XEN platf

Re: [Xen-devel] Question about the XEN platform pci

2016-04-14 Thread karim.allah.ah...@gmail.com
On Wed, Apr 13, 2016 at 11:55 AM, Konrad Rzeszutek Wilk wrote: > On Wed, Apr 13, 2016 at 09:00:18AM +0200, karim.allah.ah...@gmail.com wrote: >> On Tue, Apr 12, 2016 at 5:45 PM, Konrad Rzeszutek Wilk >> wrote: >> > On Tue, Apr 12, 2016 at 05:33:47PM +0200, karim.allah.ah.