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x86: use setup_clear_cpu_cap() when disabling the lapic

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... so don't need to call clear_cpu_cap again in early_identify_cpu,
and could use cleared_cpu_caps like other places.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-07-21 01:38:14 -07:00 committed by Ingo Molnar
parent 6ac8d51f01
commit 9175fc06ae
3 changed files with 2 additions and 9 deletions
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5
arch/x86/kernel/apic_32.c
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@ -1214,9 +1214,6 @@ int apic_version[MAX_APICS];
int __init APIC_init_uniprocessor(void)
{
if (disable_apic)
clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
if (!smp_found_config && !cpu_has_apic)
return -1;
@ -1700,7 +1697,7 @@ early_param("lapic", parse_lapic);
static int __init parse_nolapic(char *arg)
{
disable_apic = 1;
clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
setup_clear_cpu_cap(X86_FEATURE_APIC);
return 0;
}
early_param("nolapic", parse_nolapic);

2
arch/x86/kernel/apic_64.c
View File

@ -1337,7 +1337,7 @@ early_param("apic", apic_set_verbosity);
static __init int setup_disableapic(char *str)
{
disable_apic = 1;
clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
setup_clear_cpu_cap(X86_FEATURE_APIC);
return 0;
}
early_param("disableapic", setup_disableapic);

4
arch/x86/kernel/cpu/common_64.c
View File

@ -324,10 +324,6 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
cpu_devs[c->x86_vendor]->c_early_init(c);
validate_pat_support(c);
/* early_param could clear that, but recall get it set again */
if (disable_apic)
clear_cpu_cap(c, X86_FEATURE_APIC);
}
/*