diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-03-19 14:26:05 -0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:41:04 +0200 |
| commit | 7cefaa20e798c547f569ca3f79547f820c802997 (patch) | |
| tree | 7c2dfdf40a1392ba775132a0ac4caad4ccabb61c /arch/x86/kernel | |
| parent | e7bc8fbad4c582639334285dd1d9571578c58674 (diff) | |
x86: additions to i386 native_smp_prepare_cpus.
Add function calls to native_smp_prepare_cpus in i386
to match x86_64
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/smpboot_32.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c index d153d842374..6be36d3eea4 100644 --- a/arch/x86/kernel/smpboot_32.c +++ b/arch/x86/kernel/smpboot_32.c @@ -172,11 +172,23 @@ static int __init smp_sanity_check(unsigned max_cpus) return 0; } -/* These are wrappers to interface to the new boot process. Someone - who understands all this stuff should rewrite it properly. --RR 15/Jul/02 */ +static void __init smp_cpu_index_default(void) +{ + int i; + struct cpuinfo_x86 *c; + + for_each_cpu_mask(i, cpu_possible_map) { + c = &cpu_data(i); + /* mark all to hotplug */ + c->cpu_index = NR_CPUS; + } +} + void __init native_smp_prepare_cpus(unsigned int max_cpus) { nmi_watchdog_default(); + smp_cpu_index_default(); + current_cpu_data = boot_cpu_data; cpu_callin_map = cpumask_of_cpu(0); mb(); @@ -195,7 +207,11 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) return; } - boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID)); + if (GET_APIC_ID(apic_read(APIC_ID)) != boot_cpu_physical_apicid) { + panic("Boot APIC ID in local APIC unexpected (%d vs %d)", + GET_APIC_ID(apic_read(APIC_ID)), boot_cpu_physical_apicid); + /* Or can we switch back to PIC here? */ + } connect_bsp_APIC(); setup_local_APIC(); |