From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
kvm@vger.kernel.org, mtosatti@redhat.com,
linux-kernel@vger.kernel.org, mingo@elte.hu,
acme@ghostprotocols.net
Subject: Re: [PATCHv2 2/9] KVM: Expose a version 2 architectural PMU to a guests
Date: Mon, 07 Nov 2011 17:25:06 +0200 [thread overview]
Message-ID: <4EB7F852.9010606@redhat.com> (raw)
In-Reply-To: <20111107151944.GE8670@redhat.com>
On 11/07/2011 05:19 PM, Gleb Natapov wrote:
> >
> > note, this needs a fairly huge PMI skew to happen.
> >
> No, it need not. It is enough to get exit reason as hlt instead of nmi
> for a vcpu to go to blocking state instead of reentering guest mode.
> Note that we do not check request flags in kvm_arch_vcpu_runnable().
Right.
If we had a guarantee about the maximum skew, we could add a check for
KVM_REQ_PMI in kvm_vcpu_block().
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-11-07 15:25 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-03 12:33 [PATCHv2 0/9] KVM in-guest performance monitoring Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 1/9] KVM: Expose kvm_lapic_local_deliver() Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 2/9] KVM: Expose a version 2 architectural PMU to a guests Gleb Natapov
2011-11-07 14:22 ` Peter Zijlstra
2011-11-07 15:34 ` Gleb Natapov
2011-11-07 15:40 ` Avi Kivity
2011-11-07 14:34 ` Peter Zijlstra
2011-11-07 14:46 ` Avi Kivity
2011-11-07 14:59 ` Peter Zijlstra
2011-11-07 15:11 ` Gleb Natapov
2011-11-07 15:13 ` Avi Kivity
2011-11-07 15:19 ` Gleb Natapov
2011-11-07 15:25 ` Avi Kivity [this message]
2011-11-07 16:22 ` Peter Zijlstra
2011-11-07 16:26 ` Gleb Natapov
2011-11-07 14:36 ` Peter Zijlstra
2011-11-07 15:25 ` Gleb Natapov
2011-11-07 16:45 ` Peter Zijlstra
2011-11-07 17:17 ` Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 3/9] KVM: Add generic RDPMC support Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 4/9] KVM: SVM: Intercept RDPMC Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 5/9] KVM: VMX: " Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 6/9] perf: expose perf capability to other modules Gleb Natapov
2011-11-07 14:07 ` Peter Zijlstra
2011-11-07 15:53 ` Gleb Natapov
2011-11-07 16:01 ` Peter Zijlstra
2011-11-07 16:22 ` Gleb Natapov
2011-11-07 16:25 ` Peter Zijlstra
2011-11-08 12:49 ` Gleb Natapov
2011-11-08 13:26 ` Peter Zijlstra
2011-11-08 13:54 ` Gleb Natapov
2011-11-08 14:12 ` Peter Zijlstra
2011-11-08 14:18 ` Gleb Natapov
2011-11-08 14:31 ` Peter Zijlstra
2011-11-10 11:56 ` Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 7/9] KVM: Expose the architectural performance monitoring CPUID leaf Gleb Natapov
2011-11-07 14:09 ` Peter Zijlstra
2011-11-07 15:41 ` Gleb Natapov
2011-11-07 15:45 ` Peter Zijlstra
2011-11-07 15:54 ` Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 8/9] KVM: x86 emulator: fix RDPMC privilege check Gleb Natapov
2011-11-03 12:33 ` [PATCHv2 9/9] KVM: x86 emulator: implement RDPMC (0F 33) Gleb Natapov
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