[v3] vfio: Some fixes and optimizations for VFIO migration

[PATCH v3 0/3] vfio: Some fixes and optimizations for VFIO migration

Shenming Lu posted 3 patches 3 years, 2 months ago

Diff against v2 v4
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git fetch https://github.com/patchew-project/qemu tags/patchew/20210223022225.50-1-lushenming@huawei.com

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

There is a newer version of this series

hw/pci/msix.c         |  2 +-
hw/vfio/migration.c   | 28 +++++++++++++++++-----------
hw/vfio/pci.c         | 20 +++++++++++++++++---
include/hw/pci/msix.h |  1 +
4 files changed, 36 insertions(+), 15 deletions(-)

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[PATCH v3 0/3] vfio: Some fixes and optimizations for VFIO migration

Posted by Shenming Lu 3 years, 2 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.

History:

v2 -> v3:
- Nit fixes.
- Set error in migration stream for migration to fail in Patch 1.
- Tested Patch 3 with a Windows guest.

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         |  2 +-
 hw/vfio/migration.c   | 28 +++++++++++++++++-----------
 hw/vfio/pci.c         | 20 +++++++++++++++++---
 include/hw/pci/msix.h |  1 +
 4 files changed, 36 insertions(+), 15 deletions(-)

-- 
2.19.1

Re: [PATCH v3 0/3] vfio: Some fixes and optimizations for VFIO migration

Posted by Shenming Lu 3 years, 2 months ago

Hi Alex,

Does this series need any further modification? Wish you can pick it up. :-)

On 2021/2/23 10:22, 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.
> 
> History:
> 
> v2 -> v3:
> - Nit fixes.
> - Set error in migration stream for migration to fail in Patch 1.
> - Tested Patch 3 with a Windows guest.
> 
> 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         |  2 +-
>  hw/vfio/migration.c   | 28 +++++++++++++++++-----------
>  hw/vfio/pci.c         | 20 +++++++++++++++++---
>  include/hw/pci/msix.h |  1 +
>  4 files changed, 36 insertions(+), 15 deletions(-)
>