powerpc: make facility_unavailable_exception 64s

The facility unavailable exception is only available on ppc book3s
machines so use CONFIG_PPC_BOOK3S_64 rather than CONFIG_PPC64.
tm_unavailable is only called from facility_unavailable_exception so can
also be under this Kconfig symbol.

Signed-off-by: Rashmica Gupta <rashmica@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220617042805.426231-1-rashmica@linux.ibm.com

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 3aaa50e..dadfcef 100644 (file)
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1676,7 +1676,7 @@ DEFINE_INTERRUPT_HANDLER(vsx_unavailable_exception)
        die("Unrecoverable VSX Unavailable Exception", regs, SIGABRT);
 }
 
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S_64
 static void tm_unavailable(struct pt_regs *regs)
 {
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM