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Re: [Qemu-devel] [RFC 03/10] cpus: Introduce async_wait_run_on_cpu()

From: Sergey Fedorov
Subject: Re: [Qemu-devel] [RFC 03/10] cpus: Introduce async_wait_run_on_cpu()
Date: Wed, 8 Jun 2016 17:53:54 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0

On 08/06/16 17:10, alvise rigo wrote:
> Using run_on_cpu() we might deadlock QEMU if other vCPUs are waiting
> for the current vCPU. We need to exit from the vCPU loop in order to
> avoid this.

I see, we could deadlock indeed. Alternatively, we may want fix
run_on_cpu() to avoid waiting for completion by itself when called from
CPU loop.

Kind regards,

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