linux-kernel - [PATCH] arm64: move elf notes into readonly segment

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Message-ID: <1377271002.7359.2.camel@deneb.redhat.com>
Date:	Fri, 23 Aug 2013 11:16:42 -0400
From:	Mark Salter <msalter@...hat.com>
To:	catalin.marinas@....com, will.deacon@....com
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] arm64: move elf notes into readonly segment

The current vmlinux.lds.S places the notes sections between the
end of rw data and start of bss. This means that _edata doesn't
really point to the end of data. Since notes are read-only, this
patch moves them to the read-only segment so that _edata does
point to the end of initialized rw data.

Signed-off-by: Mark Salter <msalter@...hat.com>
---
 arch/arm64/kernel/vmlinux.lds.S | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index f5e5574..f8ab9d8 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -71,6 +71,7 @@ SECTIONS
 
 	RO_DATA(PAGE_SIZE)
 	EXCEPTION_TABLE(8)
+	NOTES
 	_etext = .;			/* End of text and rodata section */
 
 	. = ALIGN(PAGE_SIZE);
@@ -122,8 +123,6 @@ SECTIONS
 	}
 	_edata_loc = __data_loc + SIZEOF(.data);
 
-	NOTES
-
 	BSS_SECTION(0, 0, 0)
 	_end = .;
 
-- 
1.8.3.1



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