Re: [Xen-devel] [PATCHv1] xen/evtchn: dynamically grow pending event channel ring

2015-11-26 Thread David Vrabel
On 26/11/15 18:49, Andrew Cooper wrote: > On 26/11/15 16:14, David Vrabel wrote: >> If more than 1024 event channels are bound to a evtchn device then it >> possible (even with well behaved applications) for the ring to >> overflow and events to be lost (reported as an -EFBIG error). >> >> Dynamica

Re: [Xen-devel] [PATCHv1] xen/evtchn: dynamically grow pending event channel ring

2015-11-26 Thread Andrew Cooper
On 26/11/15 16:14, David Vrabel wrote: > If more than 1024 event channels are bound to a evtchn device then it > possible (even with well behaved applications) for the ring to > overflow and events to be lost (reported as an -EFBIG error). > > Dynamically increase the size of the ring so there is a

[Xen-devel] [PATCHv1] xen/evtchn: dynamically grow pending event channel ring

2015-11-26 Thread David Vrabel
If more than 1024 event channels are bound to a evtchn device then it possible (even with well behaved applications) for the ring to overflow and events to be lost (reported as an -EFBIG error). Dynamically increase the size of the ring so there is always enough space for all bound events. Well b