[tip:x86/urgent] x86: Include all of .data.* sections in _edata on 64-bit

tip-bot for Catalin Marinas
2009-07-18T12:07:09Z

Commit-ID: 8bcdbe427924a1e4b4e4cf68020e92e9f93fe011
Gitweb: http://git.kernel.org/tip/8bcdbe427924a1e4b4e4cf68020e92e9f93fe011
Author: Catalin Marinas <catalin.marinas@arm.com>
AuthorDate: Tue, 14 Jul 2009 10:52:55 +0100
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Sat, 18 Jul 2009 13:59:20 +0200

x86: Include all of .data.* sections in _edata on 64-bit

The .data.read_mostly and .data.cacheline_aligned sections
aren't covered by the _sdata .. _edata range on x86-64. This
affects kmemleak reporting leading to possible false
positives by not scanning the whole data section.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Alexey Fisher <bug-track@fisher-privat.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <1247565175.28240.37.camel@pc1117.cambridge.arm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Sam Ravnborg <sam@ravnborg.org>

---
arch/x86/kernel/vmlinux.lds.S | 7 -------
1 files changed, 0 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 367e878..59f31d2 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -112,11 +112,6 @@ SECTIONS
_sdata = .;
DATA_DATA
CONSTRUCTORS
-
-#ifdef CONFIG_X86_64
- /* End of data section */
- _edata = .;
-#endif
} :data

#ifdef CONFIG_X86_32
@@ -156,10 +151,8 @@ SECTIONS
.data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
*(.data.read_mostly)

-#ifdef CONFIG_X86_32
/* End of data section */
_edata = .;
-#endif
}

#ifdef CONFIG_X86_64