diff options
Diffstat (limited to 'arch/s390/mm')
| -rw-r--r-- | arch/s390/mm/init.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index d3ddb4361361..284939f9661c 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -46,6 +46,7 @@ #include <asm/kasan.h> #include <asm/dma-mapping.h> #include <asm/uv.h> +#include <linux/virtio_config.h> pgd_t swapper_pg_dir[PTRS_PER_PGD] __section(.bss..swapper_pg_dir); @@ -162,6 +163,16 @@ 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_guest(); +} +EXPORT_SYMBOL(arch_has_restricted_virtio_memory_access); + +#endif + /* protected virtualization */ static void pv_init(void) { |