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[Qemu-devel] [PATCH v3 19/19] pc: make device_del CPU work for x86 CPUs
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH v3 19/19] pc: make device_del CPU work for x86 CPUs |
Date: |
Wed, 6 Jul 2016 08:20:55 +0200 |
ACPI subsystem already has all logic in place the only
thing left to eject CPU is destroy it and ammend
present CPUs counter in CMOS, do so.
Signed-off-by: Igor Mammedov <address@hidden>
---
hw/i386/pc.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 0f85b56..ca1953c 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1736,6 +1736,7 @@ static void pc_cpu_unplug_request_cb(HotplugHandler
*hotplug_dev,
static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
+ CPUArchId *found_cpu;
HotplugHandlerClass *hhc;
Error *local_err = NULL;
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
@@ -1747,13 +1748,11 @@ static void pc_cpu_unplug_cb(HotplugHandler
*hotplug_dev,
goto out;
}
- /*
- * TODO: enable unplug once generic CPU remove bits land
- * for now guest will be able to eject CPU ACPI wise but
- * it will come back again on machine reset.
- */
- /* object_unparent(OBJECT(dev)); */
+ found_cpu = pc_find_cpu_slot(pcms, CPU(dev), NULL);
+ found_cpu->cpu = NULL;
+ object_unparent(OBJECT(dev));
+ rtc_set_memory(pcms->rtc, 0x5f, rtc_get_memory(pcms->rtc, 0x5f) - 1);
out:
error_propagate(errp, local_err);
}
--
2.7.0
[Qemu-devel] [PATCH v3 18/19] target-i386: add x86_cpu_unrealizefn(), Igor Mammedov, 2016/07/06
[Qemu-devel] [PATCH v3 19/19] pc: make device_del CPU work for x86 CPUs,
Igor Mammedov <=
Re: [Qemu-devel] [PATCH v3 00/19] pc: add CPU hot-add/hot-remove with device_add/device_del, Eduardo Habkost, 2016/07/13