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authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-03-19 14:26:05 -0300
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:04 +0200
commit7cefaa20e798c547f569ca3f79547f820c802997 (patch)
tree7c2dfdf40a1392ba775132a0ac4caad4ccabb61c /arch
parente7bc8fbad4c582639334285dd1d9571578c58674 (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')
-rw-r--r--arch/x86/kernel/smpboot_32.c22
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();