Re: [PATCH v2 09/16] KVM: PPC: Book3S HV: XIVE: add a control to dirty the XIVE EQ pages

2019-03-13 Thread David Gibson
On Wed, Mar 13, 2019 at 12:48:57PM +0100, Cédric Le Goater wrote: > On 2/25/19 3:53 AM, David Gibson wrote: > > On Fri, Feb 22, 2019 at 12:28:33PM +0100, Cédric Le Goater wrote: > >> When migration of a VM is initiated, a first copy of the RAM is > >> transferred to the destination before the VM

Re: [PATCH v2 09/16] KVM: PPC: Book3S HV: XIVE: add a control to dirty the XIVE EQ pages

2019-03-13 Thread Cédric Le Goater
On 2/25/19 3:53 AM, David Gibson wrote: > On Fri, Feb 22, 2019 at 12:28:33PM +0100, Cédric Le Goater wrote: >> When migration of a VM is initiated, a first copy of the RAM is >> transferred to the destination before the VM is stopped, but there is >> no guarantee that the EQ pages in which the

Re: [PATCH v2 09/16] KVM: PPC: Book3S HV: XIVE: add a control to dirty the XIVE EQ pages

2019-02-24 Thread David Gibson
On Fri, Feb 22, 2019 at 12:28:33PM +0100, Cédric Le Goater wrote: > When migration of a VM is initiated, a first copy of the RAM is > transferred to the destination before the VM is stopped, but there is > no guarantee that the EQ pages in which the event notification are > queued have not been

[PATCH v2 09/16] KVM: PPC: Book3S HV: XIVE: add a control to dirty the XIVE EQ pages

2019-02-22 Thread Cédric Le Goater
When migration of a VM is initiated, a first copy of the RAM is transferred to the destination before the VM is stopped, but there is no guarantee that the EQ pages in which the event notification are queued have not been modified. To make sure migration will capture a consistent memory state,