powerpc/kernel: Open code SET_DEFAULT_THREAD_PPR

This is only used in one location, open code it.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 651a655..0d525ce 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -316,7 +316,13 @@
 	subi	r12,r12,TI_FLAGS
 
 4:	/* Anything else left to do? */
-	SET_DEFAULT_THREAD_PPR(r3, r10)		/* Set thread.ppr = 3 */
+BEGIN_FTR_SECTION
+	lis	r3,INIT_PPR@highest	/* Set thread.ppr = 3 */
+	ld	r10,PACACURRENT(r13)
+	sldi	r3,r3,32	/* bits 11-13 are used for ppr */
+	std	r3,TASKTHREADPPR(r10)
+END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR)
+
 	andi.	r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP)
 	beq	ret_from_except_lite