vfio: Some fixes about vfio-pci MMIO BARs mapping

[PATCH v3 0/2] vfio: Some fixes about vfio-pci MMIO BARs mapping

Kunkun Jiang posted 2 patches 4 years, 3 months ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20211027090406.761-1-jiangkunkun@huawei.com

Maintainers: Alex Williamson <alex.williamson@redhat.com>

hw/vfio/common.c |  7 +++++++
hw/vfio/pci.c    | 19 ++++++++++++++++++-
2 files changed, 25 insertions(+), 1 deletion(-)

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[PATCH v3 0/2] vfio: Some fixes about vfio-pci MMIO BARs mapping

Posted by Kunkun Jiang 4 years, 3 months ago

This series include patches as below:

Patch 1:
- Added support for mmapping sub-page MMIO BAR after live migration to improve
  IO performance for some devices

Patch 2:
- Added a trace point to informe users when a MMIO RAM section cannot be mapped

History:

v2 -> v3:
- Modify commit message [Eric Auger]

v1 -> v2:
- Add iterate sub-page BARs in vfio_pci_load_config and try to update them [Alex Williamson]

Kunkun Jiang (2):
  vfio/pci: Add support for mmapping sub-page MMIO BARs after live
    migration
  vfio/common: Add a trace point when a MMIO RAM section cannot be
    mapped

 hw/vfio/common.c |  7 +++++++
 hw/vfio/pci.c    | 19 ++++++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

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2.23.0