linux-kernel - [tip:x86/asm] x86/compat: Define ARCH_WANT_OLD_COMPAT

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Date:	Mon, 6 Jul 2015 08:49:23 -0700
From:	tip-bot for Brian Gerst <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	brgerst@...il.com, dvlasenk@...hat.com, luto@...capital.net,
	bp@...en8.de, mingo@...nel.org, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org, peterz@...radead.org,
	tglx@...utronix.de, hpa@...or.com
Subject: [tip:x86/asm] x86/compat:
  Define ARCH_WANT_OLD_COMPAT_IPC only for 32-bit compat

Commit-ID:  3bead553ab657d482c3fd6559a1fd7f024414a63
Gitweb:     http://git.kernel.org/tip/3bead553ab657d482c3fd6559a1fd7f024414a63
Author:     Brian Gerst <brgerst@...il.com>
AuthorDate: Mon, 22 Jun 2015 07:55:19 -0400
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 6 Jul 2015 15:28:57 +0200

x86/compat: Define ARCH_WANT_OLD_COMPAT_IPC only for 32-bit compat

x32 does not need CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y.

Signed-off-by: Brian Gerst <brgerst@...il.com>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1434974121-32575-11-git-send-email-brgerst@gmail.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 55bced1..6e910ba 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2517,6 +2517,7 @@ config IA32_EMULATION
 	select BINFMT_ELF
 	select COMPAT_BINFMT_ELF
 	select HAVE_UID16
+	select ARCH_WANT_OLD_COMPAT_IPC
 	---help---
 	  Include code to run legacy 32-bit programs under a
 	  64-bit kernel. You should likely turn this on, unless you're
@@ -2544,7 +2545,6 @@ config X86_X32
 config COMPAT
 	def_bool y
 	depends on IA32_EMULATION || X86_X32
-	select ARCH_WANT_OLD_COMPAT_IPC
 
 if COMPAT
 config COMPAT_FOR_U64_ALIGNMENT
--
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