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From: "Jan Beulich" <JBeulich@suse.com>
To: Olaf Hering <olaf@aepfle.de>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	Wei Liu <wei.liu2@citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>,
	xen-devel@lists.xen.org
Subject: Re: [PATCH] xen: preserve native TSC speed during migration between identical hosts
Date: Tue, 30 May 2017 01:25:07 -0600	[thread overview]
Message-ID: <592D3A73020000780015D790@prv-mh.provo.novell.com> (raw)
In-Reply-To: <20170530063604.GA26792@aepfle.de>

>>> On 30.05.17 at 08:36, <olaf@aepfle.de> wrote:
> On Mon, May 29, Jan Beulich wrote:
> 
>> Well, no, what jitter may be acceptable depends on the
>> applications running inside the guest. I.e. you can only know
>> for yourself or ask the application vendor(s). I think such an
>> option, if we really want to have it, would need to be
>> prominently documented as unsupported - after all we can't
>> help it if people use it and then find their applications break.
> 
> The very same is true for tsc_mode=native, no such warning exists AFAIK.

I fully agree.

Jan


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  reply	other threads:[~2017-05-30  7:25 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-24 14:25 [PATCH] xen: preserve native TSC speed during migration between identical hosts Olaf Hering
2017-05-24 15:09 ` Konrad Rzeszutek Wilk
2017-05-24 15:25   ` Olaf Hering
2017-05-24 15:33     ` Konrad Rzeszutek Wilk
2017-05-24 15:44       ` Olaf Hering
2017-05-29 14:45       ` Jan Beulich
2017-05-30  6:36         ` Olaf Hering
2017-05-30  7:25           ` Jan Beulich [this message]
2017-05-30  9:27       ` Olaf Hering
2017-05-30 14:28         ` Konrad Rzeszutek Wilk
2017-05-29 14:50 ` Jan Beulich
2017-05-30  6:41   ` Olaf Hering
2017-05-30  7:27     ` Jan Beulich

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