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From: Avi Kivity <avi@redhat.com>
To: Chris Wright <chrisw@sous-sol.org>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
	qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [Qemu-devel] Re: [PATCH] qemu-kvm: introduce cpu_start/cpu_stop commands
Date: Tue, 23 Nov 2010 08:35:03 +0200	[thread overview]
Message-ID: <4CEB6097.2030203@redhat.com> (raw)
In-Reply-To: <20101122230405.GB10050@sequoia.sous-sol.org>

On 11/23/2010 01:04 AM, Chris Wright wrote:
> * Anthony Liguori (aliguori@us.ibm.com) wrote:
> >  qemu-kvm vcpu threads don't response to SIGSTOP/SIGCONT.  Instead of teaching
> >  them to respond to these signals, introduce monitor commands that stop and start
> >  individual vcpus.
>
> In the past SIGSTOP has introduced time skew.  Have you verified this
> isn't an issue.

Wouldn't we have the same problems with kernel cpu limits?  I'd say it 
only depends on the period of the controller, not on how it's implemented.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.


  parent reply	other threads:[~2010-11-23  6:35 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-22 23:00 [PATCH] qemu-kvm: introduce cpu_start/cpu_stop commands Anthony Liguori
2010-11-22 23:03 ` Anthony Liguori
2010-11-22 23:04 ` Chris Wright
2010-11-22 23:44   ` Anthony Liguori
2010-11-22 23:56     ` Chris Wright
2010-11-23  0:24       ` Anthony Liguori
2010-11-23  6:35   ` Avi Kivity [this message]
2010-11-23  6:41 ` [Qemu-devel] " Avi Kivity
2010-11-23  8:16   ` Dor Laor
2010-11-23 13:57     ` Anthony Liguori
2010-11-23 13:51   ` Anthony Liguori
2010-11-23 14:00     ` Avi Kivity
2010-11-23 14:24       ` Anthony Liguori
2010-11-23 14:35         ` Avi Kivity
2010-11-23  7:29 ` Gleb Natapov

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