linux-kernel - Re: [PATCH 2/8] powerpc: share .data output section definition between 32 and 64 bits.

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Date:	Thu, 30 Apr 2009 21:56:20 -0400 (EDT)
From:	Tim Abbott <tabbott@....EDU>
To:	Michael Ellerman <michael@...erman.id.au>
cc:	Sam Ravnborg <sam@...nborg.org>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	Jeff Arnold <jbarnold@....edu>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Anders Kaseorg <andersk@....edu>, linuxppc-dev@...abs.org,
	Paul Mackerras <paulus@...ba.org>,
	Waseem Daher <wdaher@....edu>
Subject: Re: [PATCH 2/8] powerpc: share .data output section definition
 between 32 and 64 bits.

On Fri, 1 May 2009, Michael Ellerman wrote:

> On Thu, 2009-04-30 at 19:56 -0400, Tim Abbott wrote:
> > +#ifndef CONFIG_PPC32
> 
> This would be clearer in the positive, as in #ifdef CONFIG_PPC64.

Good point.  New version below.

	-Tim Abbott

powerpc: share .data output section definition between 32 and 64 bits.

Since upcoming changes will add several more common pieces of code
between the 32-bit and 64-bit powerpc architectures, it seems best to
unify these two blocks.

Signed-off-by: Tim Abbott <tabbott@....edu>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: linuxppc-dev@...abs.org
---
 arch/powerpc/kernel/vmlinux.lds.S |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index b9ef164..de80f89 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -219,20 +219,19 @@ SECTIONS
 	. = ALIGN(PAGE_SIZE);
 	_sdata = .;
 
-#ifdef CONFIG_PPC32
 	.data : AT(ADDR(.data) - LOAD_OFFSET) {
 		DATA_DATA
+#ifdef CONFIG_PPC32
 		*(.sdata)
 		*(.got.plt) *(.got)
-	}
 #else
-	.data : AT(ADDR(.data) - LOAD_OFFSET) {
-		DATA_DATA
 		*(.data.rel*)
 		*(.toc1)
 		*(.branch_lt)
+#endif
 	}
 
+#ifdef CONFIG_PPC64
 	.opd : AT(ADDR(.opd) - LOAD_OFFSET) {
 		*(.opd)
 	}
-- 
1.6.2.1

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