Commit 6415bb80 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Borislav Petkov
Browse files

x86/fpu: Mop up the internal.h leftovers 



Move the global interfaces to api.h and the rest into the core.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011539.948837194@linutronix.de
parent ff0c37e1

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

+10 −0
Original line number Diff line number Diff line
@@ -110,6 +110,16 @@ extern int cpu_has_xfeatures(u64 xfeatures_mask, const char **feature_name); 


static inline void update_pasid(void) { }



/* Trap handling */

extern int  fpu__exception_code(struct fpu *fpu, int trap_nr);

extern void fpu_sync_fpstate(struct fpu *fpu);



/* Boot, hotplug and resume */

extern void fpu__init_cpu(void);

extern void fpu__init_system(struct cpuinfo_x86 *c);

extern void fpu__init_check_bugs(void);

extern void fpu__resume_cpu(void);



#ifdef CONFIG_MATH_EMULATION

extern void fpstate_init_soft(struct swregs_state *soft);

#else

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

+0 −18
Original line number Diff line number Diff line
@@ -23,22 +23,4 @@ 
#include <asm/cpufeature.h>

#include <asm/trace/fpu.h>



/*

 * High level FPU state handling functions:

 */

extern void fpu__clear_user_states(struct fpu *fpu);

extern int  fpu__exception_code(struct fpu *fpu, int trap_nr);



extern void fpu_sync_fpstate(struct fpu *fpu);



/*

 * Boot time FPU initialization functions:

 */

extern void fpu__init_cpu(void);

extern void fpu__init_system_xstate(void);

extern void fpu__init_cpu_xstate(void);

extern void fpu__init_system(struct cpuinfo_x86 *c);

extern void fpu__init_check_bugs(void);

extern void fpu__resume_cpu(void);



#endif /* _ASM_X86_FPU_INTERNAL_H */

arch/x86/kernel/fpu/init.c

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 


#include "internal.h"

#include "legacy.h"

#include "xstate.h"



/*

 * Initialize the registers found in all CPUs, CR0 and CR4:

arch/x86/kernel/fpu/xstate.h

+3 −0
Original line number Diff line number Diff line
@@ -18,6 +18,9 @@ static inline void xstate_init_xcomp_bv(struct xregs_state *xsave, u64 mask) 
extern void __copy_xstate_to_uabi_buf(struct membuf to, struct xregs_state *xsave,

				      u32 pkru_val, enum xstate_copy_mode copy_mode);



extern void fpu__init_cpu_xstate(void);

extern void fpu__init_system_xstate(void);



/* XSAVE/XRSTOR wrapper functions */



#ifdef CONFIG_X86_64