[PATCH 2/9] arm64: mm: mark fault_info __ro_after_init

Doug Berger
2017-03-24T14:47:55Z

The fault_info table must be made writeable to allow installation
of custom memory abort handlers, but it can be made read-only
after initialization to provide some protection.

Signed-off-by: Doug Berger <opendmb@gmail.com>
---
arch/arm64/mm/fault.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index cdf1260f1005..43319ed58a47 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -493,7 +493,7 @@ static struct fault_info {
int sig;
int code;
const char *name;
-} fault_info[] = {
+} fault_info[] __ro_after_init = {
{ do_bad, SIGBUS, 0, "ttbr address size fault" },
{ do_bad, SIGBUS, 0, "level 1 address size fault" },
{ do_bad, SIGBUS, 0, "level 2 address size fault" },
--
2.12.0