linux-kernel - [PATCH 059/105] x86: fix build error and kconfig for ia32

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Date:	Fri, 28 Jun 2013 11:51:21 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Randy Dunlap <rdunlap@...radead.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 059/105] x86: fix build error and kconfig for ia32_emulation and binfmt

3.8.13.4 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Randy Dunlap <rdunlap@...radead.org>

commit d1603990ea626668c78527376d9ec084d634202d upstream.

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@...radead.org>
Link: http://lkml.kernel.org/r/51C0B614.5000708@infradead.org
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0694d09..9e04074 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2214,6 +2214,7 @@ source "fs/Kconfig.binfmt"
 config IA32_EMULATION
 	bool "IA32 Emulation"
 	depends on X86_64
+	select BINFMT_ELF
 	select COMPAT_BINFMT_ELF
 	select HAVE_UID16
 	---help---
-- 
1.8.1.2

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