RE: [PATCH v3 0/6] pci-hyper: Fix race condition bugs for fast device hotplug

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> From: Dexuan Cui
> Sent: Thursday, April 20, 2023 7:04 PM
> > ...
> >
> > Dexuan Cui (6):
> >   PCI: hv: Fix a race condition bug in hv_pci_query_relations()
> >   PCI: hv: Fix a race condition in hv_irq_unmask() that can cause panic
> >   PCI: hv: Remove the useless hv_pcichild_state from struct hv_pci_dev
> >   Revert "PCI: hv: Fix a timing issue which causes kdump to fail
> >     occasionally"
> >   PCI: hv: Add a per-bus mutex state_lock
> >   PCI: hv: Use async probing to reduce boot time
> >
> >  drivers/pci/controller/pci-hyperv.c | 145 +++++++++++++++++-----------
> >  1 file changed, 86 insertions(+), 59 deletions(-)
> Hi Bjorn, Lorenzo, since basically this patchset is Hyper-V stuff, I would
> like it to go through the hyper-v tree if you have no objection.
> The hyper-v tree already has one big PCI patch from Michael:
> hyperv-next&id=2c6ba4216844ca7918289b49ed5f3f7138ee2402
> Thanks,
> Dexuan

Hi Lorenzo, thanks for Ack'ing the patch:
  Re: [PATCH v2] PCI: hv: Replace retarget_msi_interrupt_params with hyperv_pcpu_input_arg

It would be great if you and/or Bjorn can Ack this patchset as well :-)

v1 of this patchset was posted on 3/28:
and v3 got Michael Kelley's and Long Li's Reviewed-by.

I have done a long-haul testing against the patchset and it worked
reliably without causing any issue: without the patchset, usually the VM
can crash within 1~2 days; with the patchset, the VM is still running fine 
after 2 weeks.


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