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x86: isolate sanity checking

Browse source 
Isolate all sanity checking in a smp_sanity_check()
function as x86_64 does.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber de Oliveira Costa 2008-03-19 14:25:13 -03:00 committed by Ingo Molnar
parent fa8004d8e0
commit 4780b261e2
1 changed files with 31 additions and 26 deletions
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57
arch/x86/kernel/smpboot_32.c
View file

@ -735,10 +735,6 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
}
#endif
/*
* Cycle through the processors sending APIC IPIs to boot each.
*/
static int boot_cpu_logical_apicid;
/* Where the IO area was mapped on multiquad, always 0 otherwise */
void *xquad_portio;
@ -746,26 +742,8 @@ void *xquad_portio;
EXPORT_SYMBOL(xquad_portio);
#endif
static void __init smp_boot_cpus(unsigned int max_cpus)
static int __init smp_sanity_check(unsigned max_cpus)
{
int apicid, cpu, bit, kicked;
unsigned long bogosum = 0;
/*
* Setup boot CPU information
*/
smp_store_cpu_info(0); /* Final full version of the data */
printk("CPU%d: ", 0);
print_cpu_info(&cpu_data(0));
boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
boot_cpu_logical_apicid = logical_smp_processor_id();
per_cpu(x86_cpu_to_apicid, 0) = boot_cpu_physical_apicid;
current_thread_info()->cpu = 0;
set_cpu_sibling_map(0);
/*
* If we couldn't find an SMP configuration at boot time,
* get out of here now!
@ -780,7 +758,7 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
map_cpu_to_logical_apicid();
cpu_set(0, per_cpu(cpu_sibling_map, 0));
cpu_set(0, per_cpu(cpu_core_map, 0));
return;
return -1;
}
/*
@ -806,7 +784,7 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
map_cpu_to_logical_apicid();
cpu_set(0, per_cpu(cpu_sibling_map, 0));
cpu_set(0, per_cpu(cpu_core_map, 0));
return;
return -1;
}
verify_local_APIC();
@ -828,9 +806,36 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
map_cpu_to_logical_apicid();
cpu_set(0, per_cpu(cpu_sibling_map, 0));
cpu_set(0, per_cpu(cpu_core_map, 0));
return;
return -1;
}
return 0;
}
/*
* Cycle through the processors sending APIC IPIs to boot each.
*/
static void __init smp_boot_cpus(unsigned int max_cpus)
{
int apicid, cpu, bit, kicked;
unsigned long bogosum = 0;
/*
* Setup boot CPU information
*/
smp_store_cpu_info(0); /* Final full version of the data */
printk(KERN_INFO "CPU%d: ", 0);
print_cpu_info(&cpu_data(0));
boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
boot_cpu_logical_apicid = logical_smp_processor_id();
per_cpu(x86_cpu_to_apicid, 0) = boot_cpu_physical_apicid;
current_thread_info()->cpu = 0;
set_cpu_sibling_map(0);
smp_sanity_check(max_cpus);
connect_bsp_APIC();
setup_local_APIC();
map_cpu_to_logical_apicid();