[tip:x86/headers] x86/headers: Unify 'struct sigcontext_ia32' and 'struct sigcontext_32'

[tip-bot for Ingo Molnar <tipbot@zytor.com>]

Commit-ID:  db1e031401c6abab983919e882916d028f3b385e
Gitweb:     http://git.kernel.org/tip/db1e031401c6abab983919e882916d028f3b385e
Author:     Ingo Molnar <mingo@kernel.org>
AuthorDate: Sat, 5 Sep 2015 09:32:40 +0200
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 8 Sep 2015 10:03:58 +0200

x86/headers: Unify 'struct sigcontext_ia32' and 'struct sigcontext_32'

The two structures are identical - merge them and keep the
legacy name as a define.

Acked-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1441438363-9999-13-git-send-email-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/include/asm/sigframe.h          |  1 -
 arch/x86/include/uapi/asm/sigcontext.h   |  2 ++
 arch/x86/include/uapi/asm/sigcontext32.h | 26 --------------------------
 3 files changed, 2 insertions(+), 27 deletions(-)

diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h
index 5ff020a..98f0401 100644
--- a/arch/x86/include/asm/sigframe.h
+++ b/arch/x86/include/asm/sigframe.h
@@ -9,7 +9,6 @@
 #ifdef CONFIG_X86_32
 #define sigframe_ia32		sigframe
 #define rt_sigframe_ia32	rt_sigframe
-#define sigcontext_ia32		sigcontext
 #define ucontext_ia32		ucontext
 #else /* !CONFIG_X86_32 */
 
diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h
index d0def25..592bfaf 100644
--- a/arch/x86/include/uapi/asm/sigcontext.h
+++ b/arch/x86/include/uapi/asm/sigcontext.h
@@ -223,6 +223,8 @@ struct sigcontext_32 {
 	__u32				cr2;
 };
 
+#define sigcontext_ia32 sigcontext_32
+
 struct sigcontext_64 {
 	__u64				r8;
 	__u64				r9;
diff --git a/arch/x86/include/uapi/asm/sigcontext32.h b/arch/x86/include/uapi/asm/sigcontext32.h
index 06c749b..257fbb3 100644
--- a/arch/x86/include/uapi/asm/sigcontext32.h
+++ b/arch/x86/include/uapi/asm/sigcontext32.h
@@ -5,30 +5,4 @@
 
 #include <asm/sigcontext.h>
 
-/* 32-bit compat sigcontext: */
-struct sigcontext_ia32 {
-       __u16				gs, __gsh;
-       __u16				fs, __fsh;
-       __u16				es, __esh;
-       __u16				ds, __dsh;
-       __u32				di;
-       __u32				si;
-       __u32				bp;
-       __u32				sp;
-       __u32				bx;
-       __u32				dx;
-       __u32				cx;
-       __u32				ax;
-       __u32				trapno;
-       __u32				err;
-       __u32				ip;
-       __u16				cs, __csh;
-       __u32				flags;
-       __u32				sp_at_signal;
-       __u16				ss, __ssh;
-       __u32				fpstate;	/* Pointer to 'struct _fpstate_32' */
-       __u32				oldmask;
-       __u32				cr2;
-};
-
 #endif /* _ASM_X86_SIGCONTEXT32_H */