mbox series

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

Message ID 20211027090406.761-1-jiangkunkun@huawei.com
Headers show
Series vfio: Some fixes about vfio-pci MMIO BARs mapping | expand

Message

Kunkun Jiang Oct. 27, 2021, 9:04 a.m. UTC 
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(-)