Messages in this thread Patch in this message | | | Date | Sat, 18 Jul 2009 12:06:11 GMT | From | tip-bot for Catalin Marinas <> | Subject | [tip:x86/urgent] x86: Include all of .data.* sections in _edata on 64-bit |
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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
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