Re: [PATCH] cpu: Add starts_halted() method

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 7/9/20 5:26 AM, Thiago Jung Bauermann wrote:
> 
> Thiago Jung Bauermann <bauerman@linux.ibm.com> writes:
> 
>> I'm seeing the vcpu being KVM_RUN'd too early twice during hotplug.
>> Both of them are before cpu_reset() and ppc_cpu_reset().
> 
> Hm, rereading the message obviously the above is partially wrong. The
> second case happens during ppc_cpu_reset().
> 
>> Here's the second:
>>
>> #0  in qemu_cpu_kick_thread ()
>> #1  in qemu_cpu_kick ()
>> #2  in queue_work_on_cpu ()
>> #3  in async_run_on_cpu ()
>> #4  in tlb_flush_by_mmuidx ()
>> #5  in tlb_flush ()
>> #6  in ppc_tlb_invalidate_all ()
>> #7  in ppc_cpu_reset ()
>> #8  in device_transitional_reset ()
>> #9  in resettable_phase_hold ()
>> #10 in resettable_assert_reset ()
>> #11 in device_set_realized ()

Dunno if related, might be helpful:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg686477.html

>> #12 in property_set_bool ()
>> #13 in object_property_set ()
>> #14 in object_property_set_qobject ()
>> #15 in object_property_set_bool ()
>> #16 in qdev_realize ()
>> #17 in spapr_realize_vcpu ()
>> #18 in spapr_cpu_core_realize ()
>> #19 in device_set_realized ()
>> #20 in property_set_bool ()
>> #21 in object_property_set ()
>> #22 in object_property_set_qobject ()
>> #23 in object_property_set_bool ()
>> #24 in qdev_realize ()
>> #25 in qdev_device_add ()
>> #26 in qmp_device_add ()
>