virtio: replace arch_has_restricted_virtio_memory_access()

Instead of using arch_has_restricted_virtio_memory_access() together
with CONFIG_ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS, replace those
with platform_has() and a new platform feature
PLATFORM_VIRTIO_RESTRICTED_MEM_ACCESS.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Tested-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> # Arm64 only
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Juergen Gross
2022-06-06 08:09:16 +02:00
parent 2130a790ca
commit 3f9dfbebdc
9 changed files with 14 additions and 38 deletions

View File

@@ -6,12 +6,6 @@ config VIRTIO
bus, such as CONFIG_VIRTIO_PCI, CONFIG_VIRTIO_MMIO, CONFIG_RPMSG
or CONFIG_S390_GUEST.
config ARCH_HAS_RESTRICTED_VIRTIO_MEMORY_ACCESS
bool
help
This option is selected if the architecture may need to enforce
VIRTIO_F_ACCESS_PLATFORM
config VIRTIO_PCI_LIB
tristate
help