linux-kernel - [PATCH 06/15] x86/headers: Unify register type definitions between 32-bit compat and i386

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Message-Id: <1441438363-9999-7-git-send-email-mingo@kernel.org>
Date:	Sat,  5 Sep 2015 09:32:34 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	Mikko Rapeli <mikko.rapeli@....fi>,
	Andy Lutomirski <luto@...capital.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Brian Gerst <brgerst@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Borislav Petkov <bp@...en8.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 06/15] x86/headers: Unify register type definitions between 32-bit compat and i386

The following sigcontext related types were duplicated across native 32-bit and
compat 32-bit headers:

  struct _fpreg;
  struct _fpxreg;
  struct _xmmreg;

  X86_FXSR_MAGIC

Unify them.

Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mikko Rapeli <mikko.rapeli@....fi>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/uapi/asm/sigcontext.h   |  3 ++-
 arch/x86/include/uapi/asm/sigcontext32.h | 22 ----------------------
 2 files changed, 2 insertions(+), 23 deletions(-)

diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h
index 07b0e32a1d23..9df4df3e40ef 100644
--- a/arch/x86/include/uapi/asm/sigcontext.h
+++ b/arch/x86/include/uapi/asm/sigcontext.h
@@ -63,7 +63,6 @@ struct _fpx_sw_bytes {
 	__u32				padding[7];
 };
 
-#ifdef __i386__
 /*
  * As documented in the iBCS2 standard:
  *
@@ -96,6 +95,8 @@ struct _xmmreg {
 
 #define X86_FXSR_MAGIC			0x0000
 
+#ifdef __i386__
+
 struct _fpstate {
 	/* Legacy FPU environment: */
 	__u32				cw;
diff --git a/arch/x86/include/uapi/asm/sigcontext32.h b/arch/x86/include/uapi/asm/sigcontext32.h
index 939a84885673..356caab997e7 100644
--- a/arch/x86/include/uapi/asm/sigcontext32.h
+++ b/arch/x86/include/uapi/asm/sigcontext32.h
@@ -3,30 +3,8 @@
 
 /* Signal context definitions for compat 32-bit programs: */
 
-#include <linux/types.h>
-
 #include <asm/sigcontext.h>
 
-/* 10-byte legacy floating point register: */
-struct _fpreg {
-	__u16				significand[4];
-	__u16				exponent;
-};
-
-/* 16-byte floating point register: */
-struct _fpxreg {
-	__u16				significand[4];
-	__u16				exponent;
-	__u16				padding[3];
-};
-
-/* 16-byte XMM vector register: */
-struct _xmmreg {
-	__u32	element[4];
-};
-
-#define X86_FXSR_MAGIC			0x0000
-
 /* FXSAVE frame: FSAVE frame with extensions */
 struct _fpstate_ia32 {
 	/* Regular FPU environment: */
-- 
2.1.4

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