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Re: [Qemu-devel] [PATCH 1/9] main-loop: use qemu_mutex_lock_iothread con


From: Frederic Konrad
Subject: Re: [Qemu-devel] [PATCH 1/9] main-loop: use qemu_mutex_lock_iothread consistently
Date: Tue, 23 Jun 2015 16:18:57 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

On 23/06/2015 15:56, Paolo Bonzini wrote:

On 23/06/2015 15:49, Frederic Konrad wrote:
Hopefully, multithreaded TCG will get rid of the whole logic to kick
VCPUs whenever an I/O event occurs!
Hopefully :), this means dropping the iothread mutex as soon as possible
and removing the iothread_requesting_mutex I guess..
Yes---running most of cpu_exec outside the BQL, like KVM.  io_read and
io_write would have to get and release the lock if necessary.

cpu_resume_from_signal also might have to release the lock.

Paolo

Ok good,
Can you add me in CC to this series so I can see when it's pulled etc please.

Thanks,
Fred



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