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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@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1434974121-32575-13-git-send-email-brgerst@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Brian Gerst 2015-06-22 07:55:21 -04:00 committed by Ingo Molnar
parent 0c3619ea67
commit 9b54050bfe
1 changed files with 1 additions and 1 deletions
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arch/x86/Kconfig
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@ -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