RE: [PATCH 07/14] iommufd: Add enforced_cache_coherency to iommufd_hw_pagetable_alloc()

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> From: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Sent: Saturday, February 25, 2023 8:28 AM
> 
> Logically the HWPT should have the coherency set properly for the device
> that it is being created for when it is created.
> 
> This was happening implicitly if the immediate_attach was set because
> iommufd_hw_pagetable_attach() does it as the first thing.
> 
> Do it unconditionally so !immediate_attach works properly.
> 
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>




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