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x86/fpu: Factor out fpu/regset.h from fpu/internal.h

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Only a few places use the regset definitions, so factor them out.

Also fix related header dependency assumptions.

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2015-04-30 08:53:18 +02:00
parent fcbc99c403
commit 59a36d16be
6 changed files with 26 additions and 14 deletions
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13
arch/x86/include/asm/fpu/internal.h
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@ -10,7 +10,6 @@
#ifndef _ASM_X86_FPU_INTERNAL_H
#define _ASM_X86_FPU_INTERNAL_H
#include <linux/regset.h>
#include <linux/compat.h>
#include <linux/sched.h>
#include <linux/slab.h>
@ -48,18 +47,6 @@ extern void fpu__resume_cpu(void);
DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx);
extern user_regset_active_fn regset_fpregs_active, regset_xregset_fpregs_active;
extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get,
xstateregs_get;
extern user_regset_set_fn fpregs_set, xfpregs_set, fpregs_soft_set,
xstateregs_set;
/*
* xstateregs_active == regset_fpregs_active. Please refer to the comment
* at the definition of regset_fpregs_active.
*/
#define xstateregs_active regset_fpregs_active
#ifdef CONFIG_MATH_EMULATION
extern void finit_soft_fpu(struct i387_soft_struct *soft);
#else

21
arch/x86/include/asm/fpu/regset.h Normal file
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@ -0,0 +1,21 @@
/*
* FPU regset handling methods:
*/
#ifndef _ASM_X86_FPU_REGSET_H
#define _ASM_X86_FPU_REGSET_H
#include <linux/regset.h>
extern user_regset_active_fn regset_fpregs_active, regset_xregset_fpregs_active;
extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get,
xstateregs_get;
extern user_regset_set_fn fpregs_set, xfpregs_set, fpregs_soft_set,
xstateregs_set;
/*
* xstateregs_active == regset_fpregs_active. Please refer to the comment
* at the definition of regset_fpregs_active.
*/
#define xstateregs_active regset_fpregs_active
#endif /* _ASM_X86_FPU_REGSET_H */

1
arch/x86/include/asm/fpu/xstate.h
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@ -3,6 +3,7 @@
#include <linux/types.h>
#include <asm/processor.h>
#include <linux/uaccess.h>
/* Bit 63 of XCR0 is reserved for future expansion */
#define XSTATE_EXTEND_MASK (~(XSTATE_FPSSE | (1ULL << 63)))

1
arch/x86/kernel/fpu/core.c
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@ -6,6 +6,7 @@
* Gareth Hughes <gareth@valinux.com>, May 2000
*/
#include <asm/fpu/internal.h>
#include <asm/fpu/regset.h>
#include <asm/fpu/signal.h>
#include <linux/hardirq.h>

2
arch/x86/kernel/fpu/xstate.c
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@ -5,9 +5,11 @@
*/
#include <linux/compat.h>
#include <linux/cpu.h>
#include <asm/fpu/api.h>
#include <asm/fpu/internal.h>
#include <asm/fpu/signal.h>
#include <asm/fpu/regset.h>
#include <asm/sigframe.h>
#include <asm/tlbflush.h>

2
arch/x86/kernel/ptrace.c
View File

@ -11,7 +11,6 @@
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/ptrace.h>
#include <linux/regset.h>
#include <linux/tracehook.h>
#include <linux/user.h>
#include <linux/elf.h>
@ -30,6 +29,7 @@
#include <asm/processor.h>
#include <asm/fpu/internal.h>
#include <asm/fpu/signal.h>
#include <asm/fpu/regset.h>
#include <asm/debugreg.h>
#include <asm/ldt.h>
#include <asm/desc.h>