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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [PATCH v2 0/2] thread-pool: avoid fd usage and fix nested aio_poll() deadlock |
Date: | Tue, 15 Jul 2014 17:17:22 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
Il 15/07/2014 16:44, Stefan Hajnoczi ha scritto:
v2: * Leave BH scheduled so that the code can be simplified [Paolo] These patches convert thread-pool.c from EventNotifier to QEMUBH. They then solve the deadlock when nested aio_poll() calls are made. Please speak out whether you want this in QEMU 2.1 or not. I'm not aware of the nested aio_poll() deadlock ever having been reported, so maybe we can defer to QEMU 2.2.
It was reported as a hang in block_commit. Marcin, can you please test these patches?
Paolo
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