From: Ian Jackson <ian.jackson@eu.citrix.com>
To: Wei Liu <wei.liu2@citrix.com>
Cc: Anthony PERARD <anthony.perard@citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: "xl vcpu-set" not persistent across reboot?
Date: Tue, 14 Jun 2016 17:57:00 +0100 [thread overview]
Message-ID: <22368.14172.762223.551307@mariner.uk.xensource.com> (raw)
In-Reply-To: <20160614163947.GQ28116@citrix.com>
Wei Liu writes ("Re: [Xen-devel] "xl vcpu-set" not persistent across reboot?"):
> What Andrew means is that QEMU shouldn't have kept the CPU state
> structures in the first place. My response explains why that is not
> possible from a QEMU upstream point of view.
I don't think it addresses my point.
> Hence the unfortunate fact is that we need to live with it for now. To
> start QEMU we need to create a bunch of dummy CPUs to keep QEMU happy.
> All those dummy states need to be kept.
Why do we need one dummy state per actual vcpu rather than just one
dummy state no matter how many vcpus ?
Or is qemu involved in hvm cpu hotplug ?
Ian.
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next prev parent reply other threads:[~2016-06-14 16:57 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-03 8:29 "xl vcpu-set" not persistent across reboot? Jan Beulich
2016-06-03 13:41 ` Wei Liu
2016-06-03 14:42 ` Jan Beulich
2016-06-03 16:35 ` Wei Liu
2016-06-06 8:58 ` Jan Beulich
2016-06-06 17:18 ` Wei Liu
2016-06-06 17:20 ` Wei Liu
2016-06-06 17:34 ` Andrew Cooper
2016-06-07 8:30 ` Wei Liu
2016-06-14 16:34 ` Ian Jackson
2016-06-14 16:39 ` Wei Liu
2016-06-14 16:57 ` Ian Jackson [this message]
2016-06-14 16:59 ` Andrew Cooper
2016-06-14 17:06 ` Wei Liu
2016-06-14 17:03 ` Wei Liu
2016-06-14 17:23 ` Wei Liu
2016-06-14 17:35 ` Anthony PERARD
2016-06-07 6:38 ` Jan Beulich
2016-06-07 8:27 ` Wei Liu
2016-06-06 9:04 Jan Beulich
2016-06-06 13:07 ` Stefano Stabellini
2016-06-06 13:42 ` Wei Liu
2016-06-06 14:00 ` Stefano Stabellini
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