[PATCH] um: Add mark_rodata_ro support.

[Thomas Meyer]

This is actually a no-op as all read-only should be read-only in the ELF.

Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---
Âarch/um/Kconfig.common | 1 +
Âarch/um/kernel/mem.cÂÂÂ| 5 ++++-
Â2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 85f6dd2..061009b 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -2,6 +2,7 @@ config UML
Â	bool
Â	default y
Â	select ARCH_HAS_KCOV
+	select ARCH_HAS_STRICT_KERNEL_RWX
Â	select HAVE_ARCH_AUDITSYSCALL
Â	select HAVE_ARCH_SECCOMP_FILTER
Â	select HAVE_UID16
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index e7437ec..027ed03 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -168,7 +168,6 @@ void __init paging_init(void)
 * This can't do anything because nothing in the kernel image can be freed
 * since it's not in kernel physical memory.
 */
-
Âvoid free_initmem(void)
Â{
Â}
@@ -238,3 +237,7 @@ void *uml_kmalloc(int size, int flags)
Â{
Â	return kmalloc(size, flags);
Â}
+
+void mark_rodata_ro(void)
+{
+}