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Commit 1a7dc0db authored by Ingo Molnar's avatar Ingo Molnar
Browse files

x86/fpu: Rename fpu_detect() to fpu__detect() 



Use the fpu__*() namespace to organize FPU ops better.

Also document fpu__detect() a bit.

Reviewed-by: default avatarBorislav 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: default avatarIngo Molnar <mingo@kernel.org>
parent 87cdb98a

arch/x86/include/asm/processor.h

+1 −1
Original line number Diff line number Diff line
@@ -166,7 +166,7 @@ extern const struct seq_operations cpuinfo_op; 
#define cache_line_size()	(boot_cpu_data.x86_cache_alignment)



extern void cpu_detect(struct cpuinfo_x86 *c);

extern void fpu_detect(struct cpuinfo_x86 *c);

extern void fpu__detect(struct cpuinfo_x86 *c);



extern void early_cpu_init(void);

extern void identify_boot_cpu(void);

arch/x86/kernel/cpu/common.c

+1 −1
Original line number Diff line number Diff line
@@ -759,7 +759,7 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c) 
	cpu_detect(c);

	get_cpu_vendor(c);

	get_cpu_cap(c);

	fpu_detect(c);

	fpu__detect(c);



	if (this_cpu->c_early_init)

		this_cpu->c_early_init(c);

arch/x86/kernel/i387.c

+5 −1
Original line number Diff line number Diff line
@@ -640,7 +640,11 @@ static int __init no_387(char *s) 


__setup("no387", no_387);



void fpu_detect(struct cpuinfo_x86 *c)

/*

 * Set the X86_FEATURE_FPU CPU-capability bit based on

 * trying to execute an actual sequence of FPU instructions:

 */

void fpu__detect(struct cpuinfo_x86 *c)

{

	unsigned long cr0;

	u16 fsw, fcw;