1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 45d2a032d890..2fb0a4cfb37a 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -30,6 +30,7 @@
 #include <asm/traps.h>
 
 #include "ptrace.h"
+#include "signal.h"
 
 const char *processor_modes[]=
 { "USER_26", "FIQ_26" , "IRQ_26" , "SVC_26" , "UK4_26" , "UK5_26" , "UK6_26" , "UK7_26" ,
@@ -683,6 +684,14 @@ void __init trap_init(void)
         memcpy((void *)0xffff0000, __vectors_start, __vectors_end - __vectors_start);
         memcpy((void *)0xffff0200, __stubs_start, __stubs_end - __stubs_start);
         memcpy((void *)0xffff1000 - kuser_sz, __kuser_helper_start, kuser_sz);
+
+        /*
+         * Copy signal return handlers into the vector page, and
+         * set sigreturn to be a pointer to these.
+         */
+        memcpy((void *)KERN_SIGRETURN_CODE, sigreturn_codes,
+               sizeof(sigreturn_codes));
+
         flush_icache_range(0xffff0000, 0xffff0000 + PAGE_SIZE);
         modify_domain(DOMAIN_USER, DOMAIN_CLIENT);
 }