[v1] vl: flush all task from rcu queue before exiting

[Ping] [PATCH v1 0/2] vl: flush all task from rcu queue before exiting

Posted by Denis Plotnikov 2 years, 5 months ago

Ping!

On 15.11.2021 12:41, Denis Plotnikov wrote:
> v1 -> v0:
>   * move monitor cleanup to the very end of qemu cleanup [Paolo]
>
> The goal is to notify management layer about device destruction on qemu shutdown.
> Without this series DEVICE_DELETED event may not be sent because of stuck tasks
> in the rcu thread. The rcu tasks may stuck on qemu shutdown because the rcu
> not always have enough time to run them.
>
>
> Denis Plotnikov (2):
>    monitor: move monitor destruction to the very end of qemu cleanup
>    vl: flush all task from rcu queue before exiting
>
>   include/qemu/rcu.h |  1 +
>   monitor/monitor.c  |  6 ++++++
>   softmmu/runstate.c |  4 +++-
>   util/rcu.c         | 12 ++++++++++++
>   4 files changed, 22 insertions(+), 1 deletion(-)
>

[PING][Ping] [PATCH v1 0/2] vl: flush all task from rcu queue before exiting

Posted by Denis Plotnikov 2 years, 5 months ago

ping ping

On 19.11.2021 12:42, Denis Plotnikov wrote:
>
> Ping!
>
> On 15.11.2021 12:41, Denis Plotnikov wrote:
>> v1 -> v0:
>>   * move monitor cleanup to the very end of qemu cleanup [Paolo]
>>
>> The goal is to notify management layer about device destruction on qemu shutdown.
>> Without this series DEVICE_DELETED event may not be sent because of stuck tasks
>> in the rcu thread. The rcu tasks may stuck on qemu shutdown because the rcu
>> not always have enough time to run them.
>>
>>
>> Denis Plotnikov (2):
>>    monitor: move monitor destruction to the very end of qemu cleanup
>>    vl: flush all task from rcu queue before exiting
>>
>>   include/qemu/rcu.h |  1 +
>>   monitor/monitor.c  |  6 ++++++
>>   softmmu/runstate.c |  4 +++-
>>   util/rcu.c         | 12 ++++++++++++
>>   4 files changed, 22 insertions(+), 1 deletion(-)
>>