diff options
| -rw-r--r-- | hw/i386/pc.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 719884ff88..c9999a8da2 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1756,11 +1756,30 @@ static int pc_apic_cmp(const void *a, const void *b) return apic_a->arch_id - apic_b->arch_id; } +/* returns pointer to CPUArchId descriptor that matches CPU's apic_id + * in pcms->possible_cpus->cpus, if pcms->possible_cpus->cpus has no + * entry correponding to CPU's apic_id returns NULL. + */ +static CPUArchId *pc_find_cpu_slot(PCMachineState *pcms, CPUState *cpu, + int *idx) +{ + CPUClass *cc = CPU_GET_CLASS(cpu); + CPUArchId apic_id, *found_cpu; + + apic_id.arch_id = cc->get_arch_id(CPU(cpu)); + found_cpu = bsearch(&apic_id, pcms->possible_cpus->cpus, + pcms->possible_cpus->len, sizeof(*pcms->possible_cpus->cpus), + pc_apic_cmp); + if (found_cpu && idx) { + *idx = found_cpu - pcms->possible_cpus->cpus; + } + return found_cpu; +} + static void pc_cpu_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - CPUClass *cc = CPU_GET_CLASS(dev); - CPUArchId apic_id, *found_cpu; + CPUArchId *found_cpu; HotplugHandlerClass *hhc; Error *local_err = NULL; PCMachineState *pcms = PC_MACHINE(hotplug_dev); @@ -1784,11 +1803,7 @@ static void pc_cpu_plug(HotplugHandler *hotplug_dev, /* increment the number of CPUs */ rtc_set_memory(pcms->rtc, 0x5f, rtc_get_memory(pcms->rtc, 0x5f) + 1); - apic_id.arch_id = cc->get_arch_id(CPU(dev)); - found_cpu = bsearch(&apic_id, pcms->possible_cpus->cpus, - pcms->possible_cpus->len, sizeof(*pcms->possible_cpus->cpus), - pc_apic_cmp); - assert(found_cpu); + found_cpu = pc_find_cpu_slot(pcms, CPU(dev), NULL); found_cpu->cpu = CPU(dev); out: error_propagate(errp, local_err); |