linux-kernel - [tip:x86/asm] x86/compat: Separate ia32 and x32 compat ABIs

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Message-ID: <tip-9b54050bfe438d9e1108211d28cb0b995b1f347c@git.kernel.org>
Date:	Mon, 6 Jul 2015 08:50:04 -0700
From:	tip-bot for Brian Gerst <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	mingo@...nel.org, dvlasenk@...hat.com, tglx@...utronix.de,
	torvalds@...ux-foundation.org, peterz@...radead.org, bp@...en8.de,
	linux-kernel@...r.kernel.org, hpa@...or.com, luto@...capital.net,
	brgerst@...il.com
Subject: [tip:x86/asm] x86/compat: Separate ia32 and x32 compat ABIs

Commit-ID:  9b54050bfe438d9e1108211d28cb0b995b1f347c
Gitweb:     http://git.kernel.org/tip/9b54050bfe438d9e1108211d28cb0b995b1f347c
Author:     Brian Gerst <brgerst@...il.com>
AuthorDate: Mon, 22 Jun 2015 07:55:21 -0400
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 6 Jul 2015 15:28:58 +0200

x86/compat: Separate ia32 and x32 compat ABIs

The x32 ABI is now independent of the ia32 compat ABI.  Common
code is now conditional on CONFIG_COMPAT, but unshared code like
syscall entry, signal handling, and the VDSO are under separate
config options.

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/1434974121-32575-13-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 d823a33..aa94fd0 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2530,7 +2530,7 @@ config IA32_AOUT
 
 config X86_X32
 	bool "x32 ABI for 64-bit mode"
-	depends on X86_64 && IA32_EMULATION
+	depends on X86_64
 	---help---
 	  Include code to run binaries for the x32 native 32-bit ABI
 	  for 64-bit processors.  An x32 process gets access to the
--
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