linux-kernel - Re: [PATCHv2] fix regression caused by e48672fa25e879f7ae21785c7efd187738139593

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Date:	Thu, 10 Mar 2011 02:01:27 -0500
From:	Zachary Amsden <zamsden@...hat.com>
To:	Nikola Ciprich <extmaillist@...uxbox.cz>
CC:	KVM list <kvm@...r.kernel.org>,
	Linux kernel list <linux-kernel@...r.kernel.org>,
	nikola.ciprich@...uxbox.cz, Avi Kivity <avi@...hat.com>,
	Glauber Costa <glommer@...hat.com>
Subject: Re: [PATCHv2] fix regression caused by	e48672fa25e879f7ae21785c7efd187738139593

On 03/09/2011 05:36 PM, Nikola Ciprich wrote:
> commit 387b9f97750444728962b236987fbe8ee8cc4f8c moved kvm_request_guest_time_update(vcpu),
> breaking 32bit SMP guests using kvm-clock. Fix this by moving (new) clock update function
> to proper place.
>
> Signed-off-by: Nikola Ciprich<nikola.ciprich@...uxbox.cz>
> ---
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 4c27144..ba3f76f 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -2101,8 +2101,8 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
>   		if (check_tsc_unstable()) {
>   			kvm_x86_ops->adjust_tsc_offset(vcpu, -tsc_delta);
>   			vcpu->arch.tsc_catchup = 1;
> -			kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu);
>   		}
> +		kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu);
>   		if (vcpu->cpu != cpu)
>   			kvm_migrate_timers(vcpu);
>   		vcpu->cpu = cpu;
>
>    
ACK
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