Re: [PATCH v3 05/28] hw/xen: fix XenStore watch delivery to guest

2023-10-27 Thread Durrant, Paul
On 25/10/2023 15:50, David Woodhouse wrote: From: David Woodhouse When fire_watch_cb() found the response buffer empty, it would call deliver_watch() to generate the XS_WATCH_EVENT message in the response buffer and send an event channel notification to the guest… without actually *copying*

[PATCH v3 05/28] hw/xen: fix XenStore watch delivery to guest

2023-10-25 Thread David Woodhouse
From: David Woodhouse When fire_watch_cb() found the response buffer empty, it would call deliver_watch() to generate the XS_WATCH_EVENT message in the response buffer and send an event channel notification to the guest… without actually *copying* the response buffer into the ring. So there was