linux-kernel - Re: [PATCH v3 36/59] KVM: arm: Select ARM_GIC_V3 and ARM_GIC_V3

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Message-ID: <20170826194938.GG11074@cbox>
Date:   Sat, 26 Aug 2017 21:49:38 +0200
From:   Christoffer Dall <cdall@...aro.org>
To:     Marc Zyngier <marc.zyngier@....com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        Christoffer Dall <christoffer.dall@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Eric Auger <eric.auger@...hat.com>,
        Shanker Donthineni <shankerd@...eaurora.org>,
        Mark Rutland <mark.rutland@....com>,
        Shameerali Kolothum Thodi 
        <shameerali.kolothum.thodi@...wei.com>
Subject: Re: [PATCH v3 36/59] KVM: arm: Select ARM_GIC_V3 and ARM_GIC_V3_ITS

On Mon, Jul 31, 2017 at 06:26:14PM +0100, Marc Zyngier wrote:
> The GICv4 support introduces a hard dependency between the KVM
> core and the ITS infrastructure. arm64 already selects it at
> the architecture level, but 32bit doesn't. In order to avoid
> littering the kernel with #ifdefs, let's just select the whole
> of the GICv3 suport code.
>
> You know you want it.

Acked-by: Christoffer Dall <cdall@...aro.org>

>
> Signed-off-by: Marc Zyngier <marc.zyngier@....com>
> ---
>  arch/arm/kvm/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
> index 4e2b192a030a..52b50af04e3b 100644
> --- a/arch/arm/kvm/Kconfig
> +++ b/arch/arm/kvm/Kconfig
> @@ -23,6 +23,8 @@ config KVM
>   select PREEMPT_NOTIFIERS
>   select ANON_INODES
>   select ARM_GIC
> + select ARM_GIC_V3
> + select ARM_GIC_V3_ITS
>   select HAVE_KVM_CPU_RELAX_INTERCEPT
>   select HAVE_KVM_ARCH_TLB_FLUSH_ALL
>   select KVM_MMIO
> --
> 2.11.0
>