linux-kernel - Re: [PATCH 1/5] KVM: nVMX: Make nested control MSRs per-cpu.

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Message-ID: <54BF7D92.6020409@redhat.com>
Date:	Wed, 21 Jan 2015 11:21:06 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Wincy Van <fanwenyi0529@...il.com>,
	"Zhang, Yang Z" <yang.z.zhang@...el.com>
CC:	"gleb@...nel.org" <gleb@...nel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Wanpeng Li <wanpeng.li@...ux.intel.com>,
	Jan Kiszka <jan.kiszka@....de>
Subject: Re: [PATCH 1/5] KVM: nVMX: Make nested control MSRs per-cpu.



On 21/01/2015 10:23, Wincy Van wrote:
> Yes, moving that msrs looks a bit ugly, but the irqchip_in_kernel is
> per-VM, not a global
> setting, there would be different settings of kernel_irqchip between VMs.
> If we use irqchip_in_kernel to check it and set different value of the
> ctl msrs, I think it may
> be even worse than moving the msrs, because this logic should be a
> init function, and this
> setting should be converged.

I too prefer your solution.

Paolo
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