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Re: Lockup with --accel tcg,thread=single


From: Alex Bennée
Subject: Re: Lockup with --accel tcg,thread=single
Date: Tue, 01 Oct 2019 09:42:27 +0100
User-agent: mu4e 1.3.4; emacs 27.0.50

Paolo Bonzini <address@hidden> writes:

> On 30/09/19 21:20, Alex Bennée wrote:
>> Does seem to imply the vCPU CPUState is where the queue is. That's not
>> to say there shouldn't be a single work queue for thread=single.
>
> Indeed it doesn't.  I confused this with commit a8efa60633 ("cpus: run
> work items for all vCPUs if single-threaded", 2018-11-27).
>
> Are you going to make a patch to have a single work queue, or should
> I?

What's the neatest way to do it? Are you thinking just special case
queue_work_on_cpu to special case first_cpu when mttcg is not enabled?

--
Alex Bennée



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