From: Paolo Bonzini <pbonzini@redhat.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>,
Ingo Molnar <mingo@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Amy Wiles <amy.l.wiles@intel.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] x86/rapl: Do not load in a guest
Date: Fri, 4 Dec 2015 18:52:33 +0100 [thread overview]
Message-ID: <5661D2E1.8040907@redhat.com> (raw)
In-Reply-To: <20151204094642.4c5e63e0@icelake>
On 04/12/2015 18:46, Jacob Pan wrote:
> But I still think hypervisor check is sufficient. I don't there will
> ever be a use case for VM to control platform level power. A disaster
> for sure.
There isn't just usual VMs. There are partitioning hypervisors for example.
Paolo
next prev parent reply other threads:[~2015-12-04 17:52 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-03 18:27 [PATCH] x86/rapl: Do not load in a guest Borislav Petkov
2015-12-03 18:38 ` Jacob Pan
2015-12-03 18:42 ` Borislav Petkov
2015-12-03 18:59 ` Jacob Pan
2015-12-03 23:32 ` Rafael J. Wysocki
2015-12-03 23:25 ` Borislav Petkov
2015-12-04 1:00 ` Rafael J. Wysocki
2015-12-04 7:42 ` Ingo Molnar
2015-12-04 8:22 ` Peter Zijlstra
2015-12-04 8:28 ` Ingo Molnar
2015-12-04 10:19 ` Borislav Petkov
2015-12-04 10:41 ` Paolo Bonzini
2015-12-04 10:56 ` Borislav Petkov
2015-12-04 11:53 ` Ingo Molnar
2015-12-04 17:46 ` Jacob Pan
2015-12-04 17:52 ` Paolo Bonzini [this message]
2015-12-04 18:04 ` Borislav Petkov
2015-12-04 18:16 ` Jacob Pan
2015-12-04 18:28 ` Borislav Petkov
2015-12-04 18:37 ` Jacob Pan
2015-12-04 19:41 ` Borislav Petkov
2015-12-04 17:51 ` Jacob Pan
2015-12-04 22:14 ` Peter Zijlstra
2015-12-04 22:39 ` H. Peter Anvin
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