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authorThomas Gleixner <tglx@linutronix.de>2021-10-15 03:16:33 +0200
committerBorislav Petkov <bp@suse.de>2021-10-20 15:27:28 +0200
commit90489f1dee8b703a3301857917c0aba0b22b5d83 (patch)
treeb542a1d39f349f53a4436c165c8e104ae426bc2d
parentd9d005f32aac7362a1998f4b7fdf8874e91546bd (diff)
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 <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.792363754@linutronix.de
-rw-r--r--arch/x86/include/asm/fpu/api.h9
-rw-r--r--arch/x86/include/asm/fpu/internal.h9
-rw-r--r--arch/x86/kernel/fpu/internal.h3
-rw-r--r--arch/x86/math-emu/fpu_entry.c2
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 <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"