On Fri, 18 Dec 2015, Stefano Stabellini wrote:
> On Wed, 2 Dec 2015, Michael S. Tsirkin wrote:
> > On Wed, Dec 02, 2015 at 05:16:18PM +, Stefano Stabellini wrote:
> > > On Wed, 2 Dec 2015, Michael S. Tsirkin wrote:
> > > > On Wed, Dec 02, 2015 at 04:56:21PM +, Stefano Stabellini wrote:
> >
On Wed, 2 Dec 2015, Michael S. Tsirkin wrote:
> On Wed, Dec 02, 2015 at 05:16:18PM +, Stefano Stabellini wrote:
> > On Wed, 2 Dec 2015, Michael S. Tsirkin wrote:
> > > On Wed, Dec 02, 2015 at 04:56:21PM +, Stefano Stabellini wrote:
> > > > On Xen MSIs can be remapped into pirqs, which are
On Xen MSIs can be remapped into pirqs, which are a type of event
channels. It's mostly for the benefit of PCI passthrough devices, to
avoid the overhead of interacting with the emulated lapic.
However remapping interrupts and MSIs is also supported for emulated
devices, such as the e1000 and
On Wed, Dec 02, 2015 at 04:56:21PM +, Stefano Stabellini wrote:
> On Xen MSIs can be remapped into pirqs, which are a type of event
> channels. It's mostly for the benefit of PCI passthrough devices, to
> avoid the overhead of interacting with the emulated lapic.
>
> However remapping
On Wed, 2 Dec 2015, Michael S. Tsirkin wrote:
> On Wed, Dec 02, 2015 at 04:56:21PM +, Stefano Stabellini wrote:
> > On Xen MSIs can be remapped into pirqs, which are a type of event
> > channels. It's mostly for the benefit of PCI passthrough devices, to
> > avoid the overhead of interacting
On Wed, Dec 02, 2015 at 05:16:18PM +, Stefano Stabellini wrote:
> On Wed, 2 Dec 2015, Michael S. Tsirkin wrote:
> > On Wed, Dec 02, 2015 at 04:56:21PM +, Stefano Stabellini wrote:
> > > On Xen MSIs can be remapped into pirqs, which are a type of event
> > > channels. It's mostly for the