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Re: [qemu-s390x] [PATCH v2 1/6] cpus: Properly release the iothread lock
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From: |
Greg Kurz |
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Subject: |
Re: [qemu-s390x] [PATCH v2 1/6] cpus: Properly release the iothread lock when killing a dummy VCPU |
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Date: |
Fri, 15 Feb 2019 15:53:36 +0100 |
On Fri, 15 Feb 2019 14:30:00 +0100
David Hildenbrand <address@hidden> wrote:
> This enables CPU unplug under qtest.
>
> Signed-off-by: David Hildenbrand <address@hidden>
> ---
Reviewed-by: Greg Kurz <address@hidden>
> cpus.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/cpus.c b/cpus.c
> index 154daf57dc..e83f72b48b 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -1333,6 +1333,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
> qemu_wait_io_event(cpu);
> } while (!cpu->unplug);
>
> + qemu_mutex_unlock_iothread();
> rcu_unregister_thread();
> return NULL;
> #endif