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[Qemu-ppc] [PATCH 4/7] pc: pass apic_id to pc_find_cpu_slot() directly s
From: |
Igor Mammedov |
Subject: |
[Qemu-ppc] [PATCH 4/7] pc: pass apic_id to pc_find_cpu_slot() directly so lookup could be done without CPU object |
Date: |
Thu, 9 Feb 2017 12:08:35 +0100 |
Signed-off-by: Igor Mammedov <address@hidden>
---
hw/i386/pc.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index f03a555..ec6dded 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1783,12 +1783,11 @@ static int pc_apic_cmp(const void *a, const void *b)
* in ms->possible_cpus->cpus, if ms->possible_cpus->cpus has no
* entry corresponding to CPU's apic_id returns NULL.
*/
-static CPUArchId *pc_find_cpu_slot(MachineState *ms, CPUState *cpu, int *idx)
+static CPUArchId *pc_find_cpu_slot(MachineState *ms, uint32_t id, int *idx)
{
- CPUClass *cc = CPU_GET_CLASS(cpu);
CPUArchId apic_id, *found_cpu;
- apic_id.arch_id = cc->get_arch_id(CPU(cpu));
+ apic_id.arch_id = id;
found_cpu = bsearch(&apic_id, ms->possible_cpus->cpus,
ms->possible_cpus->len, sizeof(*ms->possible_cpus->cpus),
pc_apic_cmp);
@@ -1804,6 +1803,7 @@ static void pc_cpu_plug(HotplugHandler *hotplug_dev,
CPUArchId *found_cpu;
HotplugHandlerClass *hhc;
Error *local_err = NULL;
+ X86CPU *cpu = X86_CPU(dev);
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
if (pcms->acpi_dev) {
@@ -1823,7 +1823,7 @@ static void pc_cpu_plug(HotplugHandler *hotplug_dev,
fw_cfg_modify_i16(pcms->fw_cfg, FW_CFG_NB_CPUS, pcms->boot_cpus);
}
- found_cpu = pc_find_cpu_slot(MACHINE(pcms), CPU(dev), NULL);
+ found_cpu = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, NULL);
found_cpu->cpu = CPU(dev);
out:
error_propagate(errp, local_err);
@@ -1834,9 +1834,10 @@ static void pc_cpu_unplug_request_cb(HotplugHandler
*hotplug_dev,
int idx = -1;
HotplugHandlerClass *hhc;
Error *local_err = NULL;
+ X86CPU *cpu = X86_CPU(dev);
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
- pc_find_cpu_slot(MACHINE(pcms), CPU(dev), &idx);
+ pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx);
assert(idx != -1);
if (idx == 0) {
error_setg(&local_err, "Boot CPU is unpluggable");
@@ -1861,6 +1862,7 @@ static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev,
CPUArchId *found_cpu;
HotplugHandlerClass *hhc;
Error *local_err = NULL;
+ X86CPU *cpu = X86_CPU(dev);
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
@@ -1870,7 +1872,7 @@ static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev,
goto out;
}
- found_cpu = pc_find_cpu_slot(MACHINE(pcms), CPU(dev), NULL);
+ found_cpu = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, NULL);
found_cpu->cpu = NULL;
object_unparent(OBJECT(dev));
@@ -1928,7 +1930,7 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev,
cpu->apic_id = apicid_from_topo_ids(smp_cores, smp_threads, &topo);
}
- cpu_slot = pc_find_cpu_slot(MACHINE(pcms), CPU(dev), &idx);
+ cpu_slot = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx);
if (!cpu_slot) {
MachineState *ms = MACHINE(pcms);
--
2.7.4
- [Qemu-ppc] [PATCH 0/7] pc/spapr: unify handling of possible CPUs, Igor Mammedov, 2017/02/09
- [Qemu-ppc] [PATCH 2/7] pc: move pcms->possible_cpus init out of pc_cpus_init(), Igor Mammedov, 2017/02/09
- [Qemu-ppc] [PATCH 1/7] machine: move possible_cpus to MachineState, Igor Mammedov, 2017/02/09
- [Qemu-ppc] [PATCH 3/7] pc: calculate topology only once when possible_cpus is initialised, Igor Mammedov, 2017/02/09
- [Qemu-ppc] [PATCH 4/7] pc: pass apic_id to pc_find_cpu_slot() directly so lookup could be done without CPU object,
Igor Mammedov <=
- [Qemu-ppc] [PATCH 5/7] change CPUArchId.cpu type to Object*, Igor Mammedov, 2017/02/09
- [Qemu-ppc] [PATCH 6/7] spapr: reuse machine->possible_cpus instead of cores[], Igor Mammedov, 2017/02/09
- [Qemu-ppc] [PATCH 7/7] machine: unify [pc_|spapr_]query_hotpluggable_cpus() callbacks, Igor Mammedov, 2017/02/09
- [Qemu-ppc] [PATCH v2 8/7] machine: replace query_hotpluggable_cpus() callback with has_hotpluggable_cpus flag, Igor Mammedov, 2017/02/10