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From: Joerg Roedel <joro@8bytes.org>
To: Zachary Amsden <zamsden@redhat.com>
Cc: kvm@vger.kernel.org, Avi Kivity <avi@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Glauber Costa <glommer@redhat.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [KVM TSC trapping / migration 1/2] Add TSC trapping for SVM and VMX
Date: Mon, 10 Jan 2011 12:52:36 +0100	[thread overview]
Message-ID: <20110110115236.GF6376@8bytes.org> (raw)
In-Reply-To: <1294308645-31113-2-git-send-email-zamsden@redhat.com>

On Thu, Jan 06, 2011 at 12:10:44AM -1000, Zachary Amsden wrote:
> +static void svm_set_tsc_trapping(struct kvm_vcpu *vcpu, bool trap)
> +{
> +	struct vcpu_svm *svm = to_svm(vcpu);
> +	if (trap)
> +		svm->vmcb->control.intercept |= 1ULL << INTERCEPT_RDTSC;
> +	else
> +		svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_RDTSC);
> +}

This needs to update the clean-bits. Please use
set_intercept/clr_intercept instead which already takes care of this.

	Joerg

  parent reply	other threads:[~2011-01-10 11:52 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-06 10:10 KVM TSC trapping Zachary Amsden
2011-01-06 10:10 ` [KVM TSC trapping / migration 1/2] Add TSC trapping for SVM and VMX Zachary Amsden
2011-01-06 10:41   ` Alexander Graf
2011-01-06 11:30     ` Zachary Amsden
2011-01-06 11:38       ` Alexander Graf
2011-01-06 20:24         ` Zachary Amsden
2011-01-06 22:38           ` Alexander Graf
2011-01-07  3:10             ` Zachary Amsden
2011-01-06 11:32   ` Avi Kivity
2011-01-06 20:03     ` Zachary Amsden
2011-01-07 11:23   ` Marcelo Tosatti
2011-01-09  8:05     ` Zachary Amsden
2011-01-10 11:52   ` Joerg Roedel [this message]
2011-01-06 10:10 ` Zachary Amsden
2011-01-06 10:10 ` [KVM TSC trapping / migration 2/2] Add TSC KHZ MSR Zachary Amsden
2011-01-06 10:34   ` Alexander Graf
2011-01-06 11:27     ` Zachary Amsden
2011-01-06 11:40       ` Alexander Graf
2011-01-06 20:34         ` Zachary Amsden
2011-01-07 10:48   ` Marcelo Tosatti
2011-01-07 20:44     ` Zachary Amsden
2011-01-10 13:50       ` Marcelo Tosatti
2011-01-14 11:00         ` Juan Quintela
2011-01-18 15:47           ` Zachary Amsden

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