virtio-mem currently depends on !DEVMEM | STRICT_DEVMEM. Let's default STRICT_DEVMEM to "y" just like we do for arm64 and x86. There could be ways in the future to filter access to virtio-mem device memory even without STRICT_DEVMEM, but for now let's just keep it simple. Tested-by: Mario Casquero <mcasquer@xxxxxxxxxx> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> --- lib/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 7315f643817a..e7a917540e2a 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1905,7 +1905,7 @@ config STRICT_DEVMEM bool "Filter access to /dev/mem" depends on MMU && DEVMEM depends on ARCH_HAS_DEVMEM_IS_ALLOWED || GENERIC_LIB_DEVMEM_IS_ALLOWED - default y if PPC || X86 || ARM64 + default y if PPC || X86 || ARM64 || S390 help If this option is disabled, you allow userspace (root) access to all of memory, including kernel and userspace memory. Accidental -- 2.46.1