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From: Amit Shah <amit.shah@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Chris Friesen <chris.friesen@windriver.com>,
	qemu-devel@nongnu.org, armbru@redhat.com
Subject: Re: [Qemu-devel] virtio-serial-pci very expensive during live migration
Date: Thu, 8 May 2014 19:00:52 +0530	[thread overview]
Message-ID: <20140508133052.GA25602@grmbl.mre> (raw)
In-Reply-To: <536B8332.9070705@redhat.com>

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?

		Amit

  reply	other threads:[~2014-05-08 13:31 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-06 20:01 [Qemu-devel] virtio-serial-pci very expensive during live migration Chris Friesen
2014-05-07  5:58 ` Markus Armbruster
2014-05-07  6:39 ` Paolo Bonzini
2014-05-07 22:25   ` Chris Friesen
2014-05-08 13:02     ` Amit Shah
2014-05-08 13:14       ` Paolo Bonzini
2014-05-08 13:30         ` Amit Shah [this message]
2014-05-08 13:36           ` Paolo Bonzini
2014-05-08 13:47             ` Amit Shah
2014-05-08 15:40               ` Chris Friesen
2014-05-09  0:53                 ` Chris Friesen
2014-05-09  8:19                   ` Paolo Bonzini
2014-06-19 15:19                     ` Chris Friesen
2014-06-19 15:31                       ` Paolo Bonzini
2014-05-08 14:31           ` Chris Friesen
2014-05-08 14:34             ` Paolo Bonzini
2014-05-08 15:57               ` Chris Friesen
2014-05-08 16:02                 ` Paolo Bonzini
2014-05-08 20:57                   ` Chris Friesen
2014-05-09  1:44               ` ChenLiang
2014-05-09  3:31                 ` Chris Friesen
2014-05-08  2:54   ` Gonglei (Arei)

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