[tip:x86/asm] x86/compat: Define ARCH_WANT_OLD_COMPAT_IPC only for 32-bit compat

From: tip-bot for Brian Gerst
Date: Mon Jul 06 2015 - 11:50:28 EST


Commit-ID: 3bead553ab657d482c3fd6559a1fd7f024414a63
Gitweb: http://git.kernel.org/tip/3bead553ab657d482c3fd6559a1fd7f024414a63
Author: Brian Gerst <brgerst@xxxxxxxxx>
AuthorDate: Mon, 22 Jun 2015 07:55:19 -0400
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
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@xxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1434974121-32575-11-git-send-email-brgerst@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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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