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SubjectRe: [PATCH v8 8/9] hisi_acc_vfio_pci: Add support for VFIO live migration
On Thu, Mar 03, 2022 at 11:01:30PM +0000, Shameer Kolothum wrote:
> From: Longfang Liu <liulongfang@huawei.com>
>
> VMs assigned with HiSilicon ACC VF devices can now perform live migration
> if the VF devices are bind to the hisi_acc_vfio_pci driver.
>
> Signed-off-by: Longfang Liu <liulongfang@huawei.com>
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
> ---
> drivers/vfio/pci/hisilicon/Kconfig | 7 +
> .../vfio/pci/hisilicon/hisi_acc_vfio_pci.c | 1078 ++++++++++++++++-
> .../vfio/pci/hisilicon/hisi_acc_vfio_pci.h | 114 ++
> 3 files changed, 1181 insertions(+), 18 deletions(-)
> create mode 100644 drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.h
>
> diff --git a/drivers/vfio/pci/hisilicon/Kconfig b/drivers/vfio/pci/hisilicon/Kconfig
> index dc723bad05c2..2a68d39f339f 100644
> --- a/drivers/vfio/pci/hisilicon/Kconfig
> +++ b/drivers/vfio/pci/hisilicon/Kconfig
> @@ -3,6 +3,13 @@ config HISI_ACC_VFIO_PCI
> tristate "VFIO PCI support for HiSilicon ACC devices"
> depends on ARM64 || (COMPILE_TEST && 64BIT)
> depends on VFIO_PCI_CORE
> + depends on PCI && PCI_MSI

PCI is already in the depends from the 2nd line in
drivers/vfio/pci/Kconfig, but it is harmless

> + depends on UACCE || UACCE=n
> + depends on ACPI

Scratching my head a bit on why we have these

Looks OK though:

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason
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