Re: [PATCH v4 08/14] vfio/pci: Move to the device set infrastructure

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On Thu, Aug 05 2021, Jason Gunthorpe <jgg@xxxxxxxxxx> wrote:

> From: Yishai Hadas <yishaih@xxxxxxxxxx>
>
> PCI wants to have the usual open/close_device() logic with the slight
> twist that the open/close_device() must be done under a singelton lock
> shared by all of the vfio_devices that are in the PCI "reset group".
>
> The reset group, and thus the device set, is determined by what devices
> pci_reset_bus() touches, which is either the entire bus or only the slot.
>
> Rely on the core code to do everything reflck was doing and delete reflck
> entirely.
>
> Signed-off-by: Yishai Hadas <yishaih@xxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> ---
>  drivers/vfio/pci/vfio_pci.c         | 162 +++++++---------------------
>  drivers/vfio/pci/vfio_pci_private.h |   7 --
>  2 files changed, 37 insertions(+), 132 deletions(-)

Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>




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