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-rw-r--r--arch/powerpc/kernel/signal.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
index c284f75afe7..77efb3d5465 100644
--- a/arch/powerpc/kernel/signal.h
+++ b/arch/powerpc/kernel/signal.h
@@ -24,8 +24,32 @@ extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
siginfo_t *info, sigset_t *oldset,
struct pt_regs *regs);
+
+#ifdef CONFIG_PPC64
+
+static inline int is_32bit_task(void)
+{
+ return test_thread_flag(TIF_32BIT);
+}
+
extern int handle_rt_signal64(int signr, struct k_sigaction *ka,
siginfo_t *info, sigset_t *set,
struct pt_regs *regs);
+#else /* CONFIG_PPC64 */
+
+static inline int is_32bit_task(void)
+{
+ return 1;
+}
+
+static inline int handle_rt_signal64(int signr, struct k_sigaction *ka,
+ siginfo_t *info, sigset_t *set,
+ struct pt_regs *regs)
+{
+ return -EFAULT;
+}
+
+#endif /* !defined(CONFIG_PPC64) */
+
#endif /* _POWERPC_ARCH_SIGNAL_H */