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...rompt "Protected virtualization guest support" + select ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS help Select this option, if you want to be able to run this kernel as a protected virtualization KVM guest. diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 0d282081dc1f..f40b9b63d3d6 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -160,6 +160,16 @@ bool force_dma_unencrypted(struct device *dev) return is_prot_virt_guest(); } +#ifdef CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS + +int arch_has_restricted_virtio_memory_access(void) +{ + return is_prot_virt_g...

Hi all, The goal of the series is to give a chance to the architecture to validate VIRTIO device features. The tests are back to virtio_finalize_features. No more argument for the architecture callback which only reports if the architecture needs guest memory access restrictions for VIRTIO. I renamed the callback to arch_has_restricted_virtio_memory_access, the config option to

Hi all, The goal of the series is to give a chance to the architecture to validate VIRTIO device features. The tests are back to virtio_finalize_features. No more argument for the architecture callback which only reports if the architecture needs guest memory access restrictions for VIRTIO. I renamed the callback to arch_has_restricted_virtio_memory_access, the config option to