1 files changed, 13 insertions, 0 deletions

diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 23b0b03af5ea..1e21e125fe3a 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -581,6 +581,19 @@ static struct fsr_info ifsr_info[] = {
         { do_bad,               SIGBUS,  0,             "unknown 31"                       },
 };
 
+void __init
+hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs *),
+                 int sig, int code, const char *name)
+{
+        if (nr < 0 || nr >= ARRAY_SIZE(ifsr_info))
+                BUG();
+
+        ifsr_info[nr].fn   = fn;
+        ifsr_info[nr].sig  = sig;
+        ifsr_info[nr].code = code;
+        ifsr_info[nr].name = name;
+}
+
 asmlinkage void __exception
 do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
 {