[patch 23/31] x86/fpu: Make WARN_ON_FPU() private

Thomas Gleixner
2021-10-12T00:06:33Z

No point in being in global headers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/fpu/internal.h | 9 ---------
arch/x86/kernel/fpu/init.c | 2 ++
arch/x86/kernel/fpu/internal.h | 6 ++++++
3 files changed, 8 insertions(+), 9 deletions(-)

--- 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 cpui
extern void fpu__init_check_bugs(void);
extern void fpu__resume_cpu(void);

-/*
- * Debugging facility:
- */
-#ifdef CONFIG_X86_DEBUG_FPU
-# define WARN_ON_FPU(x) WARN_ON_ONCE(x)
-#else
-# define WARN_ON_FPU(x) ({ (void)(x); 0; })
-#endif
-
extern union fpregs_state init_fpstate;
extern void fpstate_init_user(union fpregs_state *state);

--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -10,6 +10,8 @@
#include <linux/sched/task.h>
#include <linux/init.h>

+#include "internal.h"
+
/*
* Initialize the registers found in all CPUs, CR0 and CR4:
*/
--- a/arch/x86/kernel/fpu/internal.h
+++ b/arch/x86/kernel/fpu/internal.h
@@ -13,6 +13,12 @@ static __always_inline __pure bool use_f
return cpu_feature_enabled(X86_FEATURE_FXSR);
}

+#ifdef CONFIG_X86_DEBUG_FPU
+# define WARN_ON_FPU(x) WARN_ON_ONCE(x)
+#else
+# define WARN_ON_FPU(x) ({ (void)(x); 0; })
+#endif
+
/* Init functions */
extern void fpu__init_prepare_fx_sw_frame(void);