linux-kernel - [PATCH 05/11] powerpc/32: add START_EXCEPTION() in head

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Date:   Mon, 28 Jan 2019 11:11:21 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 05/11] powerpc/32: add START_EXCEPTION() in head_32.h

Add START_EXCEPTION() in head_32.h for preparing the use
of head_32.h in head_40x.S

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/kernel/head_32.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/head_32.h b/arch/powerpc/kernel/head_32.h
index 643dd8d34aac..f77f13142410 100644
--- a/arch/powerpc/kernel/head_32.h
+++ b/arch/powerpc/kernel/head_32.h
@@ -72,10 +72,13 @@
 /*
  * Exception vectors.
  */
-#define EXCEPTION(n, label, hdlr, xfer)		\
+#define	START_EXCEPTION(n, label)		\
 	. = n;					\
 	DO_KVM n;				\
-label:						\
+label:
+
+#define EXCEPTION(n, label, hdlr, xfer)		\
+	START_EXCEPTION(n, label)		\
 	EXCEPTION_PROLOG;			\
 	addi	r3,r1,STACK_FRAME_OVERHEAD;	\
 	xfer(n, hdlr)
-- 
2.13.3