Merge branch 'acpi-numa'

[cascardo/linux.git] / arch / arm64 / kernel / smp.c

diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 678e084..a68e0cc 100644 (file)
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -560,6 +560,8 @@ acpi_map_gic_cpu_interface(struct acpi_madt_generic_interrupt *processor)
         */
        acpi_set_mailbox_entry(cpu_count, processor);
 
+       early_map_cpu_to_node(cpu_count, acpi_numa_get_nid(cpu_count, hwid));
+
        cpu_count++;
 }
 
@@ -909,3 +911,21 @@ int setup_profiling_timer(unsigned int multiplier)
 {
        return -EINVAL;
 }
+
+static bool have_cpu_die(void)
+{
+#ifdef CONFIG_HOTPLUG_CPU
+       int any_cpu = raw_smp_processor_id();
+
+       if (cpu_ops[any_cpu]->cpu_die)
+               return true;
+#endif
+       return false;
+}
+
+bool cpus_are_stuck_in_kernel(void)
+{
+       bool smp_spin_tables = (num_possible_cpus() > 1 && !have_cpu_die());
+
+       return !!cpus_stuck_in_kernel || smp_spin_tables;
+}