diff options
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r-- | arch/x86/include/asm/fpu/api.h | 3 | ||||
-rw-r--r-- | arch/x86/include/asm/fpu/internal.h | 7 | ||||
-rw-r--r-- | arch/x86/include/asm/fpu/signal.h | 13 |
3 files changed, 16 insertions, 7 deletions
diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h index 56cf884ecdae..17893af0880c 100644 --- a/arch/x86/include/asm/fpu/api.h +++ b/arch/x86/include/asm/fpu/api.h @@ -116,6 +116,9 @@ extern void fpstate_init_soft(struct swregs_state *soft); static inline void fpstate_init_soft(struct swregs_state *soft) {} #endif +/* State tracking */ +DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx); + /* fpstate */ extern union fpregs_state init_fpstate; diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index d8bb49134ebb..8f97d3e375de 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -26,7 +26,6 @@ /* * High level FPU state handling functions: */ -extern bool fpu__restore_sig(void __user *buf, int ia32_frame); extern void fpu__clear_user_states(struct fpu *fpu); extern int fpu__exception_code(struct fpu *fpu, int trap_nr); @@ -42,10 +41,4 @@ extern void fpu__init_system(struct cpuinfo_x86 *c); extern void fpu__init_check_bugs(void); extern void fpu__resume_cpu(void); -extern void restore_fpregs_from_fpstate(union fpregs_state *fpstate, u64 mask); - -extern bool copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size); - -DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx); - #endif /* _ASM_X86_FPU_INTERNAL_H */ diff --git a/arch/x86/include/asm/fpu/signal.h b/arch/x86/include/asm/fpu/signal.h index 04868a76239a..9a63a21c219d 100644 --- a/arch/x86/include/asm/fpu/signal.h +++ b/arch/x86/include/asm/fpu/signal.h @@ -5,6 +5,11 @@ #ifndef _ASM_X86_FPU_SIGNAL_H #define _ASM_X86_FPU_SIGNAL_H +#include <linux/compat.h> +#include <linux/user.h> + +#include <asm/fpu/types.h> + #ifdef CONFIG_X86_64 # include <uapi/asm/sigcontext.h> # include <asm/user32.h> @@ -31,4 +36,12 @@ fpu__alloc_mathframe(unsigned long sp, int ia32_frame, unsigned long fpu__get_fpstate_size(void); +extern bool copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size); +extern void fpu__clear_user_states(struct fpu *fpu); +extern bool fpu__restore_sig(void __user *buf, int ia32_frame); + +extern void restore_fpregs_from_fpstate(union fpregs_state *fpstate, u64 mask); + +extern bool copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size); + #endif /* _ASM_X86_FPU_SIGNAL_H */ |