Commit 90489f1d authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Borislav Petkov
Browse files

x86/fpu: Move fpstate functions to api.h 



Move function declarations which need to be globally available to api.h
where they belong.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011539.792363754@linutronix.de
parent d9d005f3

arch/x86/include/asm/fpu/api.h

+9 −0
Original line number Diff line number Diff line
@@ -110,6 +110,15 @@ extern int cpu_has_xfeatures(u64 xfeatures_mask, const char **feature_name); 


static inline void update_pasid(void) { }



#ifdef CONFIG_MATH_EMULATION

extern void fpstate_init_soft(struct swregs_state *soft);

#else

static inline void fpstate_init_soft(struct swregs_state *soft) {}

#endif



/* fpstate */

extern union fpregs_state init_fpstate;



/* fpstate-related functions which are exported to KVM */

extern void fpu_init_fpstate_user(struct fpu *fpu);

arch/x86/include/asm/fpu/internal.h

+0 −9
Original line number Diff line number Diff line
@@ -42,15 +42,6 @@ extern void fpu__init_system(struct cpuinfo_x86 *c); 
extern void fpu__init_check_bugs(void);

extern void fpu__resume_cpu(void);



extern union fpregs_state init_fpstate;

extern void fpstate_init_user(union fpregs_state *state);



#ifdef CONFIG_MATH_EMULATION

extern void fpstate_init_soft(struct swregs_state *soft);

#else

static inline void fpstate_init_soft(struct swregs_state *soft) {}

#endif



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);

arch/x86/kernel/fpu/internal.h

+3 −0
Original line number Diff line number Diff line
@@ -22,4 +22,7 @@ static __always_inline __pure bool use_fxsr(void) 
/* Init functions */

extern void fpu__init_prepare_fx_sw_frame(void);



/* Used in init.c */

extern void fpstate_init_user(union fpregs_state *state);



#endif

arch/x86/math-emu/fpu_entry.c

+1 −1
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ 
#include <linux/uaccess.h>

#include <asm/traps.h>

#include <asm/user.h>

#include <asm/fpu/internal.h>

#include <asm/fpu/api.h>



#include "fpu_system.h"

#include "fpu_emu.h"