From: Ingo Molnar <mingo@elte.hu>
To: Avi Kivity <avi@redhat.com>
Cc: Jes Sorensen <Jes.Sorensen@redhat.com>,
Joerg Roedel <joro@8bytes.org>, KVM General <kvm@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Zachary Amsden <zamsden@redhat.com>,
Gleb Natapov <gleb@redhat.com>,
ming.m.lin@intel.com, "Zhang,
Yanmin" <yanmin_zhang@linux.intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Arjan van de Ven <arjan@infradead.org>,
Fr??d??ric Weisbecker <fweisbec@gmail.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: KVM PMU virtualization
Date: Fri, 26 Feb 2010 13:07:50 +0100 [thread overview]
Message-ID: <20100226120750.GA11578@elte.hu> (raw)
In-Reply-To: <4B87B5DE.30503@redhat.com>
* Avi Kivity <avi@redhat.com> wrote:
> A native API to the host will lock out 100% of the install base now, and a
> large section of any future install base.
... which is why i suggested the soft-PMU approach.
And note that _any_ solution we offer locks out 100% of the installed base
right now, as no solution is in the kernel yet. The only question is what kind
of upgrade effort is needed for users to make use of the feature.
Ingo
next prev parent reply other threads:[~2010-02-26 12:08 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-25 15:04 KVM PMU virtualization Jes Sorensen
2010-02-25 15:44 ` Jan Kiszka
2010-02-25 16:26 ` Ingo Molnar
2010-02-26 2:52 ` Zhang, Yanmin
2010-02-26 8:45 ` Ingo Molnar
2010-02-26 11:03 ` Jes Sorensen
2010-02-25 17:34 ` Joerg Roedel
2010-02-26 2:55 ` Zhang, Yanmin
2010-02-26 8:51 ` Joerg Roedel
2010-02-26 9:17 ` Ingo Molnar
2010-02-26 10:42 ` Joerg Roedel
2010-02-26 10:56 ` Ingo Molnar
2010-03-02 7:09 ` Zhang, Yanmin
2010-03-02 9:36 ` Ingo Molnar
2010-03-03 3:32 ` Zhang, Yanmin
2010-03-03 9:27 ` Zhang, Yanmin
2010-03-03 10:13 ` Peter Zijlstra
2010-03-04 0:52 ` Zhang, Yanmin
2010-03-03 10:15 ` Peter Zijlstra
2010-03-04 1:00 ` Zhang, Yanmin
2010-03-10 9:29 ` Zhang, Yanmin
2010-03-02 9:57 ` Peter Zijlstra
2010-02-26 8:42 ` Ingo Molnar
2010-02-26 9:46 ` Avi Kivity
2010-02-26 10:39 ` Joerg Roedel
2010-02-26 10:46 ` Ingo Molnar
2010-02-26 10:51 ` Avi Kivity
2010-02-26 11:06 ` Joerg Roedel
2010-02-26 11:18 ` Jes Sorensen
2010-02-26 11:24 ` Ingo Molnar
2010-02-26 11:25 ` Jes Sorensen
2010-02-26 11:20 ` Ingo Molnar
2010-02-26 10:44 ` Ingo Molnar
2010-02-26 11:16 ` Avi Kivity
2010-02-26 11:26 ` Ingo Molnar
2010-02-26 11:47 ` Avi Kivity
2010-02-26 11:23 ` Jes Sorensen
2010-02-26 11:42 ` Ingo Molnar
2010-02-26 11:51 ` Avi Kivity
2010-02-26 12:07 ` Ingo Molnar [this message]
2010-02-26 12:20 ` Avi Kivity
2010-02-26 12:38 ` Ingo Molnar
2010-02-26 13:04 ` Avi Kivity
2010-02-26 13:13 ` Jes Sorensen
2010-02-26 13:27 ` Ingo Molnar
2010-02-26 13:33 ` Avi Kivity
2010-02-26 14:07 ` Jes Sorensen
2010-02-26 14:11 ` Avi Kivity
2010-02-26 13:18 ` Ingo Molnar
2010-02-26 13:34 ` Jes Sorensen
2010-02-26 12:56 ` Jes Sorensen
2010-02-26 13:31 ` Ingo Molnar
2010-02-26 13:37 ` Jes Sorensen
2010-02-26 13:55 ` Avi Kivity
2010-02-26 14:27 ` Peter Zijlstra
2010-02-26 14:54 ` Avi Kivity
2010-02-26 15:08 ` Peter Zijlstra
2010-02-26 15:11 ` Avi Kivity
2010-02-26 15:18 ` Peter Zijlstra
2010-02-26 15:55 ` Peter Zijlstra
2010-02-26 16:06 ` Avi Kivity
2010-03-01 19:03 ` Zachary Amsden
2010-03-01 18:54 ` Zachary Amsden
2010-02-26 13:40 ` Avi Kivity
2010-02-26 14:01 ` Ingo Molnar
2010-02-26 14:22 ` Avi Kivity
2010-02-26 14:37 ` Ingo Molnar
2010-02-26 16:03 ` Avi Kivity
2010-02-26 16:07 ` Avi Kivity
2010-02-26 13:28 ` Peter Zijlstra
2010-02-26 13:44 ` Avi Kivity
2010-02-26 13:51 ` Jes Sorensen
2010-02-26 14:42 ` Peter Zijlstra
2010-03-08 18:14 ` Avi Kivity
2010-02-26 12:49 ` Jes Sorensen
2010-02-26 13:06 ` Ingo Molnar
2010-02-26 13:30 ` Avi Kivity
2010-02-26 13:32 ` Jes Sorensen
2010-02-26 13:44 ` Ingo Molnar
2010-02-26 13:53 ` Avi Kivity
2010-02-26 14:12 ` Ingo Molnar
2010-02-26 14:53 ` Avi Kivity
2010-02-26 15:14 ` Peter Zijlstra
2010-02-28 16:34 ` Joerg Roedel
2010-02-28 16:31 ` Joerg Roedel
2010-02-28 16:11 ` Joerg Roedel
2010-03-01 8:39 ` Ingo Molnar
2010-03-01 8:58 ` Joerg Roedel
2010-03-01 9:04 ` Ingo Molnar
2010-03-01 8:44 ` Ingo Molnar
2010-03-01 11:11 ` Joerg Roedel
2010-03-01 17:17 ` Peter Zijlstra
2010-03-01 18:36 ` Joerg Roedel
2010-03-08 10:15 ` Avi Kivity
2010-02-26 14:49 ` Peter Zijlstra
2010-02-26 14:50 ` Peter Zijlstra
2010-02-26 13:31 ` Jes Sorensen
2010-03-01 17:22 ` Zachary Amsden
2010-02-26 11:01 ` Jes Sorensen
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