[S390] implement is_compat_task
Implement is_compat_task and use it all over the place.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 3cf74c3..062bd64 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -26,6 +26,7 @@
#include <linux/binfmts.h>
#include <linux/tracehook.h>
#include <linux/syscalls.h>
+#include <linux/compat.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
#include <asm/lowcore.h>
@@ -482,7 +483,7 @@
/* Whee! Actually deliver the signal. */
int ret;
#ifdef CONFIG_COMPAT
- if (test_thread_flag(TIF_31BIT)) {
+ if (is_compat_task()) {
ret = handle_signal32(signr, &ka, &info, oldset, regs);
}
else