linux-kernel - [PATCH 12/12] x86/compat: Separate ia32 and x32 compat ABIs

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Date:	Mon, 22 Jun 2015 07:55:21 -0400
From:	Brian Gerst <brgerst@...il.com>
To:	x86@...nel.org
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Andy Lutomirski <luto@...capital.net>
Subject: [PATCH 12/12] 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>
---
 arch/x86/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 9236bed..70c1956 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2561,7 +2561,7 @@ 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
-- 
2.1.0

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