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authorThomas Gleixner <tglx@linutronix.de>2021-10-15 04:16:38 +0300
committerBorislav Petkov <bp@suse.de>2021-10-20 16:27:29 +0300
commit6415bb80926379310afd74800415f6ebf4bb5c31 (patch)
treeedabb155c09be9b8a7baebb78eb62125d5f8dc82
parentff0c37e191f2629bf2776dbd95db5d06f704ab93 (diff)
downloadlinux-6415bb80926379310afd74800415f6ebf4bb5c31.tar.xz
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
-rw-r--r--arch/x86/include/asm/fpu/api.h10
-rw-r--r--arch/x86/include/asm/fpu/internal.h18
-rw-r--r--arch/x86/kernel/fpu/init.c1
-rw-r--r--arch/x86/kernel/fpu/xstate.h3
4 files changed, 14 insertions, 18 deletions
diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h
index 17893af0880c..c691f079a56e 100644
--- a/arch/x86/include/asm/fpu/api.h
+++ b/arch/x86/include/asm/fpu/api.h
@@ -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
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 8f97d3e375de..8df83e887ff6 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -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 */
diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index e77084a6ae7c..d420d29e58be 100644
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -12,6 +12,7 @@
#include "internal.h"
#include "legacy.h"
+#include "xstate.h"
/*
* Initialize the registers found in all CPUs, CR0 and CR4:
diff --git a/arch/x86/kernel/fpu/xstate.h b/arch/x86/kernel/fpu/xstate.h
index ae61baa97682..bb6d7d298d2a 100644
--- a/arch/x86/kernel/fpu/xstate.h
+++ b/arch/x86/kernel/fpu/xstate.h
@@ -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