[tip:x86/urgent] x86: fix build error and kconfig for ia32_emulation and binfmt

From: tip-bot for Randy Dunlap
Date: Tue Jun 18 2013 - 20:25:11 EST

Commit-ID: d1603990ea626668c78527376d9ec084d634202d
Gitweb: http://git.kernel.org/tip/d1603990ea626668c78527376d9ec084d634202d
Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
AuthorDate: Tue, 18 Jun 2013 12:33:40 -0700
Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Tue, 18 Jun 2013 16:20:32 -0500

x86: fix build error and kconfig for ia32_emulation and binfmt

Fix kconfig warning and build errors on x86_64 by selecting BINFMT_ELF
when COMPAT_BINFMT_ELF is being selected.

warning: (IA32_EMULATION) selects COMPAT_BINFMT_ELF which has unmet direct dependencies (COMPAT && BINFMT_ELF)

fs/built-in.o: In function `elf_core_dump':
compat_binfmt_elf.c:(.text+0x3e093): undefined reference to `elf_core_extra_phdrs'
compat_binfmt_elf.c:(.text+0x3ebcd): undefined reference to `elf_core_extra_data_size'
compat_binfmt_elf.c:(.text+0x3eddd): undefined reference to `elf_core_write_extra_phdrs'
compat_binfmt_elf.c:(.text+0x3f004): undefined reference to `elf_core_write_extra_data'

[ hpa: This was sent to me for -next but it is a low risk build fix ]

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/51C0B614.5000708@xxxxxxxxxxxxx
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
arch/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 685692c..fe120da 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2265,6 +2265,7 @@ source "fs/Kconfig.binfmt"
bool "IA32 Emulation"
depends on X86_64
+ select BINFMT_ELF
select HAVE_UID16
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