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x86: make 32bit to call enable_IO_APIC early like 64bit

Browse Source 
Impact: cleanup

So we remove some #ifdefs.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2009-02-14 23:57:28 -08:00 committed by Ingo Molnar
parent b69bc39674
commit 88d0f550d7
3 changed files with 5 additions and 10 deletions
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8
arch/x86/kernel/apic.c
View File

@ -1646,19 +1646,19 @@ int __init APIC_init_uniprocessor(void)
physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
setup_local_APIC();
#ifdef CONFIG_X86_64
#ifdef CONFIG_X86_IO_APIC
/*
* Now enable IO-APICs, actually call clear_IO_APIC
* We need clear_IO_APIC before enabling vector on BP
*/
if (!skip_ioapic_setup && nr_ioapics)
enable_IO_APIC();
#endif
#ifdef CONFIG_X86_IO_APIC
if (!smp_found_config || skip_ioapic_setup || !nr_ioapics)
#endif
localise_nmi_watchdog();
#else
localise_nmi_watchdog();
#endif
end_local_APIC_setup();
#ifdef CONFIG_X86_IO_APIC

4
arch/x86/kernel/io_apic.c
View File

@ -3057,13 +3057,9 @@ out:
void __init setup_IO_APIC(void)
{
#ifdef CONFIG_X86_32
enable_IO_APIC();
#else
/*
* calling enable_IO_APIC() is moved to setup_local_APIC for BP
*/
#endif
io_apic_irqs = ~PIC_IRQS;

3
arch/x86/kernel/smpboot.c
View File

@ -1154,13 +1154,12 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
*/
setup_local_APIC();
#ifdef CONFIG_X86_64
/*
* Enable IO APIC before setting up error vector
*/
if (!skip_ioapic_setup && nr_ioapics)
enable_IO_APIC();
#endif
end_local_APIC_setup();
map_cpu_to_logical_apicid();