linux-kernel - [PATCH] powerpc/misc: merge reloc_offset() and add_reloc

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Message-Id: <20180417112310.BD2686C07F@po15720vm.idsi0.si.c-s.fr>
Date:   Tue, 17 Apr 2018 13:23:10 +0200 (CEST)
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] powerpc/misc: merge reloc_offset() and add_reloc_offset()

reloc_offset() is the same as add_reloc_offset(0)

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/kernel/misc.S | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index 384357cb8bc0..e1f3a5d054c4 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -25,23 +25,12 @@
 /*
  * Returns (address we are running at) - (address we were linked at)
  * for use before the text and data are mapped to KERNELBASE.
- */
-
-_GLOBAL(reloc_offset)
-	mflr	r0
-	bl	1f
-1:	mflr	r3
-	PPC_LL	r4,(2f-1b)(r3)
-	subf	r3,r4,r3
-	mtlr	r0
-	blr
 
-	.align	3
-2:	PPC_LONG 1b
-
-/*
  * add_reloc_offset(x) returns x + reloc_offset().
  */
+
+_GLOBAL(reloc_offset)
+	li	r3, 0
 _GLOBAL(add_reloc_offset)
 	mflr	r0
 	bl	1f
-- 
2.13.3