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Commit e04d645f authored by Glauber Costa's avatar Glauber Costa Committed by Ingo Molnar
Browse files

x86: move vgetcpu mode probing to cpu detection 



Take it out of time initialization and move it to
cpu detection time.

Signed-off-by: default avatarGlauber Costa <glommer@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 33c053d0

arch/x86/kernel/cpu/common.c

+12 −0
Original line number Diff line number Diff line
@@ -719,12 +719,24 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c) 
#endif

}



#ifdef CONFIG_X86_64

static void vgetcpu_set_mode(void)

{

	if (cpu_has(&boot_cpu_data, X86_FEATURE_RDTSCP))

		vgetcpu_mode = VGETCPU_RDTSCP;

	else

		vgetcpu_mode = VGETCPU_LSL;

}

#endif



void __init identify_boot_cpu(void)

{

	identify_cpu(&boot_cpu_data);

#ifdef CONFIG_X86_32

	sysenter_setup();

	enable_sep_cpu();

#else

	vgetcpu_set_mode();

#endif

}

arch/x86/kernel/time_64.c

+0 −4
Original line number Diff line number Diff line
@@ -130,10 +130,6 @@ void __init hpet_time_init(void) 
void __init time_init(void)

{

	tsc_init();

	if (cpu_has(&boot_cpu_data, X86_FEATURE_RDTSCP))

		vgetcpu_mode = VGETCPU_RDTSCP;

	else

		vgetcpu_mode = VGETCPU_LSL;



	late_time_init = choose_time_init();

}