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Commit 3d3f487c authored by Glauber Costa's avatar Glauber Costa Committed by Ingo Molnar
Browse files

x86: provide hlt_works function. 



In x86_64, hlt always work. in i386, we'll query the cpuinfo associated
with this cpu

Signed-off-by: default avatarGlauber Costa <gcosta@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 2513926c

include/asm-x86/processor.h

+9 −0
Original line number Diff line number Diff line
@@ -144,6 +144,15 @@ DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info); 
#define current_cpu_data	boot_cpu_data

#endif



static inline int hlt_works(int cpu)

{

#ifdef CONFIG_X86_32

	return cpu_data(cpu).hlt_works_ok;

#else

	return 1;

#endif

}



#define cache_line_size()	(boot_cpu_data.x86_cache_alignment)



extern void cpu_detect(struct cpuinfo_x86 *c);