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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: mttcg@greensocs.com, peter.maydell@linaro.org,
	mark.burton@greensocs.com, qemu-devel@nongnu.org, agraf@suse.de,
	guillaume.delbergue@greensocs.com, fred.konrad@greensocs.com
Subject: Re: [Qemu-devel] RFC Multi-threaded TCG design document
Date: Wed, 17 Jun 2015 18:13:37 +0200	[thread overview]
Message-ID: <55819CB1.2080503@redhat.com> (raw)
In-Reply-To: <87lhfi72gi.fsf@linaro.org>



On 17/06/2015 17:57, Alex Bennée wrote:
> But would there be a risk is we make the BQL recursive?
> 
> I had to do this because the iomem accesses either side of a virt-io
> transaction would deadlock otherwise. 

The idea was to check if the BQL is taken, and if not take it in
memory_region_dispatch_read/memory_region_dispatch_write.

Paolo

  reply	other threads:[~2015-06-17 16:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-12 16:37 [Qemu-devel] RFC Multi-threaded TCG design document Alex Bennée
2015-06-15  9:13 ` Frederic Konrad
2015-06-15 10:06   ` Alex Bennée
2015-06-15 10:51     ` Mark Burton
2015-06-15 12:36       ` Alex Bennée
2015-06-15 14:25       ` Alex Bennée
2015-06-15 13:06 ` alvise rigo
2015-06-15 14:25   ` Alex Bennée
2015-06-17 11:58 ` Paolo Bonzini
2015-06-17 15:57   ` Alex Bennée
2015-06-17 16:13     ` Paolo Bonzini [this message]
2015-06-17 16:57 ` Dr. David Alan Gilbert
2015-06-17 18:23   ` Mark Burton
2015-06-17 21:45     ` Frederic Konrad

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