From 90489f1dee8b703a3301857917c0aba0b22b5d83 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Fri, 15 Oct 2021 03:16:33 +0200 Subject: [PATCH] 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: Thomas Gleixner Signed-off-by: Borislav Petkov Link: https://lkml.kernel.org/r/20211015011539.792363754@linutronix.de --- arch/x86/include/asm/fpu/api.h | 9 +++++++++ arch/x86/include/asm/fpu/internal.h | 9 --------- arch/x86/kernel/fpu/internal.h | 3 +++ arch/x86/math-emu/fpu_entry.c | 2 +- 4 files changed, 13 insertions(+), 10 deletions(-) diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h index 77a732ea4cda..56cf884ecdae 100644 --- a/arch/x86/include/asm/fpu/api.h +++ b/arch/x86/include/asm/fpu/api.h @@ -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); diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index 74b7cc3d2e77..d8bb49134ebb 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -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); diff --git a/arch/x86/kernel/fpu/internal.h b/arch/x86/kernel/fpu/internal.h index 5ddc09e03c2a..bd7f813242dd 100644 --- a/arch/x86/kernel/fpu/internal.h +++ b/arch/x86/kernel/fpu/internal.h @@ -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 diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c index 8679a9d6c47f..50195e249753 100644 --- a/arch/x86/math-emu/fpu_entry.c +++ b/arch/x86/math-emu/fpu_entry.c @@ -31,7 +31,7 @@ #include #include #include -#include +#include #include "fpu_system.h" #include "fpu_emu.h" -- GitLab