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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Alex Bennée" <alex.bennee@linaro.org>,
	mttcg@greensocs.com, mark.burton@greensocs.com,
	fred.konrad@greensocs.com
Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC PATCH] qemu_mutux: make the iothread recursive (MTTCG)
Date: Tue, 23 Jun 2015 14:32:35 +0200	[thread overview]
Message-ID: <558951E3.5030509@redhat.com> (raw)
In-Reply-To: <1435062084-25332-1-git-send-email-alex.bennee@linaro.org>



On 23/06/2015 14:21, Alex Bennée wrote:
> While I was testing multi-threaded TCG I discovered once consequence of
> using locking around memory_region_dispatch is that virt-io transactions
> could dead lock trying to grab the main mutex. This is due to the
> virt-io driver writing data back into the system memory:

Have you looked at the patches I posted last week?

http://thread.gmane.org/gmane.comp.emulators.qemu/345258

Paolo

  reply	other threads:[~2015-06-23 12:32 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-23 12:21 [Qemu-devel] [RFC PATCH] qemu_mutux: make the iothread recursive (MTTCG) Alex Bennée
2015-06-23 12:32 ` Paolo Bonzini [this message]
2015-06-23 12:55   ` Alex Bennée
2015-06-23 14:21 ` Frederic Konrad
2015-06-23 14:23   ` Paolo Bonzini

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