Re: [PATCH v3 2/5] vfio/spapr: Move VFIO_CHECK_EXTENSION into tce_iommu_ioctl()

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On 17/10/22 20:38, Jason Gunthorpe wrote:
The PPC64 kconfig is a bit of a rats nest, but it turns out that if
CONFIG_SPAPR_TCE_IOMMU is on then EEH must be too:

config SPAPR_TCE_IOMMU
	bool "sPAPR TCE IOMMU Support"
	depends on PPC_POWERNV || PPC_PSERIES
	select IOMMU_API
	help
	  Enables bits of IOMMU API required by VFIO. The iommu_ops
	  is not implemented as it is not necessary for VFIO.

config PPC_POWERNV
	select FORCE_PCI

config PPC_PSERIES
	select FORCE_PCI

config EEH
	bool
	depends on (PPC_POWERNV || PPC_PSERIES) && PCI
	default y

So, just open code the call to eeh_enabled() into tce_iommu_ioctl().

Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
---
  drivers/vfio/vfio_iommu_spapr_tce.c | 10 ++++------
  drivers/vfio/vfio_spapr_eeh.c       |  6 ------
  2 files changed, 4 insertions(+), 12 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>



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