powerpc/interrupt: Fix CONFIG ifdef typo

CONFIG_PPC_BOOK3S should be CONFIG_PPC_BOOK3S_64. restore_math is a
no-op for other configurations.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
[np: split from another patch]
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210617155116.2167984-2-npiggin@gmail.com

diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c
index e0938ba..f2baeee 100644 (file)
--- a/arch/powerpc/kernel/interrupt.c
+++ b/arch/powerpc/kernel/interrupt.c
@@ -303,7 +303,7 @@ again:
                ti_flags = READ_ONCE(current_thread_info()->flags);
        }
 
-       if (IS_ENABLED(CONFIG_PPC_BOOK3S) && IS_ENABLED(CONFIG_PPC_FPU)) {
+       if (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && IS_ENABLED(CONFIG_PPC_FPU)) {
                if (IS_ENABLED(CONFIG_PPC_TRANSACTIONAL_MEM) &&
                                unlikely((ti_flags & _TIF_RESTORE_TM))) {
                        restore_tm_state(regs);