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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.

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/1441438363-9999-7-git-send-email-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2015-09-05 09:32:34 +02:00
parent 3f623a5b27
commit 337a167d1a
2 changed files with 2 additions and 23 deletions
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3
arch/x86/include/uapi/asm/sigcontext.h
View File

@ -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;

22
arch/x86/include/uapi/asm/sigcontext32.h
View File

@ -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: */