[v2] vfio: Some fixes and optimizations for VFIO migration

[RFC PATCH v2 0/3] vfio: Some fixes and optimizations for VFIO migration

Shenming Lu posted 3 patches 3 years, 4 months ago

Diff against v3 v4
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Maintainers: Alex Williamson <alex.williamson@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>

There is a newer version of this series

hw/pci/msix.c         | 17 +++++++++++++++++
hw/vfio/migration.c   | 28 +++++++++++++++++-----------
hw/vfio/pci.c         | 10 ++++++++--
include/hw/pci/msix.h |  2 ++
4 files changed, 44 insertions(+), 13 deletions(-)

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[RFC PATCH v2 0/3] vfio: Some fixes and optimizations for VFIO migration

Posted by Shenming Lu 3 years, 4 months ago

This patch set includes two fixes and one optimization for VFIO migration
as blew:
Patch 1-2:
- Fix two ordering problems in migration.

Patch 3:
- Optimize the enabling process of the MSI-X vectors in migration.

Thanks,
Shenming

Shenming Lu (3):
  vfio: Move the saving of the config space to the right place in VFIO
    migration
  vfio: Set the priority of the VFIO VM state change handler explicitly
  vfio: Avoid disabling and enabling vectors repeatedly in VFIO
    migration

 hw/pci/msix.c         | 17 +++++++++++++++++
 hw/vfio/migration.c   | 28 +++++++++++++++++-----------
 hw/vfio/pci.c         | 10 ++++++++--
 include/hw/pci/msix.h |  2 ++
 4 files changed, 44 insertions(+), 13 deletions(-)

-- 
2.19.1

Re: [RFC PATCH v2 0/3] vfio: Some fixes and optimizations for VFIO migration

Posted by Shenming Lu 3 years, 3 months ago

On 2020/12/9 16:09, Shenming Lu wrote:
> This patch set includes two fixes and one optimization for VFIO migration
> as blew:
> Patch 1-2:
> - Fix two ordering problems in migration.
> 
> Patch 3:
> - Optimize the enabling process of the MSI-X vectors in migration.
> 

Hi,

Friendly ping, is there any further comments on this series (especially
for patch 1 and 3)?  :-)

Thanks,
Shenming

> 
> Shenming Lu (3):
>   vfio: Move the saving of the config space to the right place in VFIO
>     migration
>   vfio: Set the priority of the VFIO VM state change handler explicitly
>   vfio: Avoid disabling and enabling vectors repeatedly in VFIO
>     migration
> 
>  hw/pci/msix.c         | 17 +++++++++++++++++
>  hw/vfio/migration.c   | 28 +++++++++++++++++-----------
>  hw/vfio/pci.c         | 10 ++++++++--
>  include/hw/pci/msix.h |  2 ++
>  4 files changed, 44 insertions(+), 13 deletions(-)
>