linux-kernel - [PATCH v1 12/15] powerpc/32: Remove msr argument in EXC_XFER

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Message-Id: <7d896a74e638f60dde8fd6d29ed928149b8c121f.1608641533.git.christophe.leroy@csgroup.eu>
Date:   Tue, 22 Dec 2020 13:28:34 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, npiggin@...il.com
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v1 12/15] powerpc/32: Remove msr argument in
 EXC_XFER_TEMPLATE() on 6xx/8xx

Only MSR_KERNEL is used as msr in EXC_XFER_TEMPLATE(), no need
to make it an argument.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/kernel/head_6xx_8xx.h | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/head_6xx_8xx.h b/arch/powerpc/kernel/head_6xx_8xx.h
index 2536f0a660af..11b608b6f4b7 100644
--- a/arch/powerpc/kernel/head_6xx_8xx.h
+++ b/arch/powerpc/kernel/head_6xx_8xx.h
@@ -194,21 +194,19 @@
 	addi	r3,r1,STACK_FRAME_OVERHEAD;	\
 	xfer(n, hdlr)
 
-#define EXC_XFER_TEMPLATE(hdlr, trap, msr, tfer, ret)		\
+#define EXC_XFER_TEMPLATE(hdlr, trap, tfer, ret)		\
 	li	r10,trap;					\
 	stw	r10,_TRAP(r11);					\
-	LOAD_REG_IMMEDIATE(r10, msr);				\
+	LOAD_REG_IMMEDIATE(r10, MSR_KERNEL);			\
 	bl	tfer;						\
 	.long	hdlr;						\
 	.long	ret
 
 #define EXC_XFER_STD(n, hdlr)		\
-	EXC_XFER_TEMPLATE(hdlr, n, MSR_KERNEL, transfer_to_handler_full,	\
-			  ret_from_except_full)
+	EXC_XFER_TEMPLATE(hdlr, n, transfer_to_handler_full, ret_from_except_full)
 
 #define EXC_XFER_LITE(n, hdlr)		\
-	EXC_XFER_TEMPLATE(hdlr, n+1, MSR_KERNEL, transfer_to_handler, \
-			  ret_from_except)
+	EXC_XFER_TEMPLATE(hdlr, n + 1, transfer_to_handler, ret_from_except)
 
 .macro vmap_stack_overflow_exception
 #ifdef CONFIG_SMP
-- 
2.25.0