diff mbox

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

Message ID 20170324144632.5896-3-opendmb@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Doug Berger March 24, 2017, 2:46 p.m. UTC 
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 mbox

Patch

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"	},