x86/fpu: Factor out the FPU bug detection code into fpu__init_check_bugs()
Move the boot-time FPU bug detection code to the other FPU boot time
init code in fpu/init.c.
No change in code size:
text data bss dec hex filename
13044568 1884440 1130496 16059504 f50c70 vmlinux.before
13044568 1884440 1130496 16059504 f50c70 vmlinux.after
Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index c8ee395..89ae3e0 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -24,6 +24,7 @@
extern int dump_fpu(struct pt_regs *, struct user_i387_struct *);
extern void fpu__restore(void);
+extern void fpu__init_check_bugs(void);
extern bool irq_fpu_usable(void);