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x86/fpu: Mop up the internal.h leftovers 

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011539.948837194@linutronix.de
This commit is contained in:
Thomas Gleixner 2021-10-15 03:16:38 +02:00 committed by Borislav Petkov
parent ff0c37e191
commit 6415bb8092
4 changed files with 14 additions and 18 deletions
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10
arch/x86/include/asm/fpu/api.h
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@ -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

18
arch/x86/include/asm/fpu/internal.h
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@ -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 */

1
arch/x86/kernel/fpu/init.c
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@ -12,6 +12,7 @@
#include "internal.h"
#include "legacy.h"
#include "xstate.h"
/*
* Initialize the registers found in all CPUs, CR0 and CR4:

3
arch/x86/kernel/fpu/xstate.h
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@ -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