diff mbox

arm64: mm: mark fault_info table const

Message ID 1465837022-17582-1-git-send-email-mark.rutland@arm.com
State Accepted
Commit bbb1681ee3653bdcfc6a4ba31902738118311fd4
Headers show

Commit Message

Mark Rutland June 13, 2016, 4:57 p.m. UTC 
Unlike the debug_fault_info table, we never intentionally alter the
fault_info table at runtime, and all derived pointers are treated as
const currently.

Make the table const so that it can be placed in .rodata and protected
from unintentional writes, as we do for the syscall tables.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
---
 arch/arm64/mm/fault.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
1.9.1


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diff mbox

Patch

diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index ba3fc12..013e2cb 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -441,7 +441,7 @@  static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs)
 	return 1;
 }
 
-static struct fault_info {
+static const struct fault_info {
 	int	(*fn)(unsigned long addr, unsigned int esr, struct pt_regs *regs);
 	int	sig;
 	int	code;