linux-kernel - Re: [PATCH v3 2/2] KVM: arm/arm64: vgic: add init entry to VGIC KVM device

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Message-ID: <20150111123954.GW21092@cbox>
Date:	Sun, 11 Jan 2015 13:39:54 +0100
From:	Christoffer Dall <christoffer.dall@...aro.org>
To:	Eric Auger <eric.auger@...aro.org>
Cc:	eric.auger@...com, marc.zyngier@....com, andre.przywara@....com,
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
	kvm@...r.kernel.org, gleb@...nel.org, pbonzini@...hat.com,
	linux-kernel@...r.kernel.org, patches@...aro.org
Subject: Re: [PATCH v3 2/2] KVM: arm/arm64: vgic: add init entry to VGIC KVM
 device

On Mon, Dec 15, 2014 at 06:43:33PM +0100, Eric Auger wrote:
> Since the advent of VGIC dynamic initialization, this latter is
> initialized quite late on the first vcpu run or "on-demand", when
> injecting an IRQ or when the guest sets its registers.
> 
> This initialization could be initiated explicitly much earlier
> by the users-space, as soon as it has provided the requested
> dimensioning parameters.
> 
> This patch adds a new entry to the VGIC KVM device that allows
> the user to manually request the VGIC init:
> - a new KVM_DEV_ARM_VGIC_GRP_CTRL group is introduced.
> - Its first attribute is KVM_DEV_ARM_VGIC_CTRL_INIT
> 
> The rationale behind introducing a group is to be able to add other
> controls later on, if needed.
> 
> Signed-off-by: Eric Auger <eric.auger@...aro.org>
> 
This looks good to me:

Reviewed-by: Christoffer Dall <christoffer.dall@...aro.org>
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