From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965993AbbEESHb (ORCPT ); Tue, 5 May 2015 14:07:31 -0400 Received: from mail-wi0-f177.google.com ([209.85.212.177]:36747 "EHLO mail-wi0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422835AbbEER7f (ORCPT ); Tue, 5 May 2015 13:59:35 -0400 From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: Andy Lutomirski , Borislav Petkov , Dave Hansen , Fenghua Yu , "H. Peter Anvin" , Linus Torvalds , Oleg Nesterov , Thomas Gleixner Subject: [PATCH 185/208] x86/fpu: Split out fpu/signal.h from fpu/internal.h for signal frame handling functions Date: Tue, 5 May 2015 19:58:09 +0200 Message-Id: <1430848712-28064-25-git-send-email-mingo@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1430848712-28064-1-git-send-email-mingo@kernel.org> References: <1430848712-28064-1-git-send-email-mingo@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Most of the FPU does not use them, so split it out and include them in signal.c and ia32_signal.c Also fix header file dependency assumption in fpu/core.c. Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Dave Hansen Cc: Fenghua Yu Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Oleg Nesterov Cc: Thomas Gleixner Signed-off-by: Ingo Molnar --- arch/x86/ia32/ia32_signal.c | 1 + arch/x86/include/asm/fpu/internal.h | 24 ------------------------ arch/x86/include/asm/fpu/signal.h | 31 +++++++++++++++++++++++++++++++ arch/x86/kernel/fpu/core.c | 2 ++ arch/x86/kernel/fpu/xstate.c | 1 + arch/x86/kernel/ptrace.c | 1 + arch/x86/kernel/signal.c | 1 + 7 files changed, 37 insertions(+), 24 deletions(-) diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index 54605eb1631f..ae3a29ae875b 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index dc4842b0831b..e2ceb49d310d 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -19,21 +19,6 @@ #include #include -#ifdef CONFIG_X86_64 -# include -# include -struct ksignal; -int ia32_setup_rt_frame(int sig, struct ksignal *ksig, - compat_sigset_t *set, struct pt_regs *regs); -int ia32_setup_frame(int sig, struct ksignal *ksig, - compat_sigset_t *set, struct pt_regs *regs); -#else -# define user_i387_ia32_struct user_i387_struct -# define user32_fxsr_struct user_fxsr_struct -# define ia32_setup_frame __setup_frame -# define ia32_setup_rt_frame __setup_rt_frame -#endif - #define MXCSR_DEFAULT 0x1f80 extern unsigned int mxcsr_feature_mask; @@ -63,11 +48,6 @@ extern void fpu__resume_cpu(void); DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx); -extern void convert_from_fxsr(struct user_i387_ia32_struct *env, - struct task_struct *tsk); -extern void convert_to_fxsr(struct task_struct *tsk, - const struct user_i387_ia32_struct *env); - 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; @@ -530,8 +510,4 @@ static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk) } } -unsigned long -fpu__alloc_mathframe(unsigned long sp, int ia32_frame, - unsigned long *buf_fx, unsigned long *size); - #endif /* _ASM_X86_FPU_INTERNAL_H */ diff --git a/arch/x86/include/asm/fpu/signal.h b/arch/x86/include/asm/fpu/signal.h new file mode 100644 index 000000000000..0803dc2aba80 --- /dev/null +++ b/arch/x86/include/asm/fpu/signal.h @@ -0,0 +1,31 @@ +/* + * x86 FPU signal frame handling methods: + */ +#ifndef _ASM_X86_FPU_SIGNAL_H +#define _ASM_X86_FPU_SIGNAL_H + +#ifdef CONFIG_X86_64 +# include +# include +struct ksignal; +int ia32_setup_rt_frame(int sig, struct ksignal *ksig, + compat_sigset_t *set, struct pt_regs *regs); +int ia32_setup_frame(int sig, struct ksignal *ksig, + compat_sigset_t *set, struct pt_regs *regs); +#else +# define user_i387_ia32_struct user_i387_struct +# define user32_fxsr_struct user_fxsr_struct +# define ia32_setup_frame __setup_frame +# define ia32_setup_rt_frame __setup_rt_frame +#endif + +extern void convert_from_fxsr(struct user_i387_ia32_struct *env, + struct task_struct *tsk); +extern void convert_to_fxsr(struct task_struct *tsk, + const struct user_i387_ia32_struct *env); + +unsigned long +fpu__alloc_mathframe(unsigned long sp, int ia32_frame, + unsigned long *buf_fx, unsigned long *size); + +#endif /* _ASM_X86_FPU_SIGNAL_H */ diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index c8eb76a41ce8..45a2ca26a36f 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -6,6 +6,8 @@ * Gareth Hughes , May 2000 */ #include +#include + #include /* diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 9bc3734acc16..78710740e9a0 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 4c615661ec72..51e73a685ce4 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index f4b205686527..206996c1669d 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include -- 2.1.0