Re: [Qemu-devel] [PATCH 04/13] spapr/xive: introduce a VM state change handler

2019-02-05 Thread David Gibson
On Mon, Jan 07, 2019 at 07:39:37PM +0100, Cédric Le Goater wrote: > This handler is in charge of stabilizing the flow of event notifications > in the XIVE controller before migrating a guest. This is a requirement > before transferring the guest EQ pages to a destination. > > When the VM is stoppe

[Qemu-devel] [PATCH 04/13] spapr/xive: introduce a VM state change handler

2019-01-07 Thread Cédric Le Goater
This handler is in charge of stabilizing the flow of event notifications in the XIVE controller before migrating a guest. This is a requirement before transferring the guest EQ pages to a destination. When the VM is stopped, the handler masks the sources (PQ=01) to stop the flow of events and save