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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] virtio-serial-pci very expensive during live migration |
Date: | Thu, 08 May 2014 15:36:13 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 |
Il 08/05/2014 15:30, Amit Shah ha scritto:
On (Thu) 08 May 2014 [15:14:26], Paolo Bonzini wrote:Il 08/05/2014 15:02, Amit Shah ha scritto:I tried the patch below. Unfortunately it seems to cause qemu to crash.This doesn't remove the memory_region_transaction_begin() and _commit() from memory_region_add_eventfd(), which will still be called.That's correct, transactions can be nested.But each _commit() will add to the delay?
No, only the outermost one. Paolo
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