powerpc: Move is_32bit_task

Move is_32bit_task into asm/thread_info.h, that allows us to test for
32/64bit tasks without an ugly CONFIG_PPC64 ifdef.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index 9665a26a253a..995ab7b80f69 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -154,6 +154,13 @@ static inline void set_restore_sigmask(void)
         ti->local_flags |= _TLF_RESTORE_SIGMASK;
         set_bit(TIF_SIGPENDING, &ti->flags);
 }
+
+#ifdef CONFIG_PPC64
+#define is_32bit_task() (test_thread_flag(TIF_32BIT))
+#else
+#define is_32bit_task() (1)
+#endif
+
 #endif  /* !__ASSEMBLY__ */
 
 #endif /* __KERNEL__ */