Hi guys,
Ping...
I just sent out V3, please review on V3, thanks!
在 2021/9/9 14:06, Longpeng(Mike) 写道:
> Hi guys,
>
> In vfio migration resume phase, the cost would increase if the
> vfio device has more unmasked vectors. We try to optimize it in
> this series.
>
> You can see the commit message in PATCH 9 for details.
>
> Patch 1-5 are simple cleanups and fixup.
> Patch 6-8 are the preparations for the optimization.
> Patch 9 optimizes the vfio msix setup path.
>
> Changes v1->v2:
> - fix several typos and grammatical errors [Alex, Philippe]
> - split fixups and cleanups into separate patches [Alex, Philippe]
> - introduce kvm_irqchip_add_deferred_msi_route to
> minimize code changes [Alex]
> - enable the optimization in msi setup path [Alex]
>
> Longpeng (Mike) (9):
> vfio: simplify the conditional statements in vfio_msi_enable
> vfio: move re-enabling INTX out of the common helper
> vfio: simplify the failure path in vfio_msi_enable
> msix: simplify the conditional in msix_set/unset_vector_notifiers
> msix: reset poll_notifier to NULL if fail to set notifiers
> kvm: irqchip: extract kvm_irqchip_add_deferred_msi_route
> vfio: add infrastructure to commit the deferred kvm routing
> Revert "vfio: Avoid disabling and enabling vectors repeatedly in VFIO
> migration"
> vfio: defer to commit kvm irq routing when enable msi/msix
>
> accel/kvm/kvm-all.c | 15 ++++++-
> hw/pci/msix.c | 7 ++-
> hw/vfio/pci.c | 125 +++++++++++++++++++++++++++++++++------------------
> hw/vfio/pci.h | 1 +
> include/sysemu/kvm.h | 6 +++
> 5 files changed, 105 insertions(+), 49 deletions(-)
>