On 11/15/19 6:06 AM, Roger Pau Monné wrote:
> On Fri, Nov 15, 2019 at 05:23:51AM +, Tian, Kevin wrote:
>>> From: Roger Pau Monne [mailto:roger@citrix.com]
>>> Sent: Friday, November 8, 2019 9:34 PM
>>>
>>> When using posted interrupts and the guest migrates MSI from vCPUs Xen
>>> needs to
On Fri, Nov 15, 2019 at 05:23:51AM +, Tian, Kevin wrote:
> > From: Roger Pau Monne [mailto:roger@citrix.com]
> > Sent: Friday, November 8, 2019 9:34 PM
> >
> > When using posted interrupts and the guest migrates MSI from vCPUs Xen
> > needs to flush any pending PIRR vectors on the
> From: Roger Pau Monne [mailto:roger@citrix.com]
> Sent: Friday, November 8, 2019 9:34 PM
>
> When using posted interrupts and the guest migrates MSI from vCPUs Xen
> needs to flush any pending PIRR vectors on the previous vCPU, or else
> those vectors could get wrongly injected at a later
On 08.11.2019 14:34, Roger Pau Monne wrote:
> When using posted interrupts and the guest migrates MSI from vCPUs Xen
> needs to flush any pending PIRR vectors on the previous vCPU, or else
> those vectors could get wrongly injected at a later point when the MSI
> fields are already updated.
>
>
This patch synced PIRR with IRR when misx table updated, I ran same test
over 1.5 hours and did not reproduced it, without the patch, I could
reproduced within 10 minutes.
Tested-by: Joe Jin
Thanks,
Joe
On 11/8/19 5:34 AM, Roger Pau Monne wrote:
> When using posted interrupts and the guest
When using posted interrupts and the guest migrates MSI from vCPUs Xen
needs to flush any pending PIRR vectors on the previous vCPU, or else
those vectors could get wrongly injected at a later point when the MSI
fields are already updated.
Rename sync_pir_to_irr to vlapic_sync_pir_to_irr and
