Re: [RFC PATCH] Use vAPIC when doing IPI for PVHVM guests.

2015-10-07 Thread Juergen Gross
On 10/07/2015 10:21 PM, Konrad Rzeszutek Wilk wrote: Hey, I was running some tools in which we would heavily do rescheduling of events - and realized to my surprise that the event channels (and the hypercall) would slow things down. If I used the vAPIC with its IPI support (so no VMEXIT) I got

Re: [RFC PATCH] Use vAPIC when doing IPI for PVHVM guests.

2015-10-07 Thread Juergen Gross
On 10/07/2015 10:21 PM, Konrad Rzeszutek Wilk wrote: Hey, I was running some tools in which we would heavily do rescheduling of events - and realized to my surprise that the event channels (and the hypercall) would slow things down. If I used the vAPIC with its IPI support (so no VMEXIT) I got