powerpc/traps: machine_check_generic() is only used on 32-bit

Make it clear that the fallback version of machine_check_generic() is
only used on 32-bit configs.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 1b1ae79..ef957c2 100644 (file)
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -618,7 +618,7 @@ int machine_check_8xx(struct pt_regs *regs)
        return 0;
 #endif
 }
-#else
+#elif defined(CONFIG_PPC32)
 int machine_check_generic(struct pt_regs *regs)
 {
        unsigned long reason = regs->msr;