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-rw-r--r--arch/x86/kernel/smpboot_64.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index ddefb38c53f..8ac8eb62042 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -861,6 +861,18 @@ void __init smp_set_apicids(void)
x86_cpu_to_apicid_ptr = NULL;
}
+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;
+ }
+}
+
/*
* Prepare for SMP bootup. The MP table or ACPI has been read
* earlier. Just do some sanity checking here and enable APIC mode.
@@ -868,6 +880,7 @@ void __init smp_set_apicids(void)
void __init smp_prepare_cpus(unsigned int max_cpus)
{
nmi_watchdog_default();
+ smp_cpu_index_default();
current_cpu_data = boot_cpu_data;
current_thread_info()->cpu = 0; /* needed? */
smp_set_apicids();