linux-kernel - RE: [PATCH v8 6/6] Drivers: hv: Enable Hyper-V code to be built on ARM64

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Message-ID: <SN4PR2101MB0880FB2AC894DC5B6031F361C0989@SN4PR2101MB0880.namprd21.prod.outlook.com>
Date:   Wed, 3 Mar 2021 19:22:42 +0000
From:   Sunil Muthuswamy <sunilmut@...rosoft.com>
To:     Michael Kelley <mikelley@...rosoft.com>
CC:     "will@...nel.org" <will@...nel.org>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        Mark Rutland <Mark.Rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        "ardb@...nel.org" <ardb@...nel.org>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        KY Srinivasan <kys@...rosoft.com>
Subject: RE: [PATCH v8 6/6] Drivers: hv: Enable Hyper-V code to be built on
 ARM64

> Update drivers/hv/Kconfig so CONFIG_HYPERV can be selected on
> ARM64, causing the Hyper-V specific code to be built.
> 
> Signed-off-by: Michael Kelley <mikelley@...rosoft.com>
> ---
>  drivers/hv/Kconfig | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig
> index 79e5356..d492682 100644
> --- a/drivers/hv/Kconfig
> +++ b/drivers/hv/Kconfig
> @@ -4,7 +4,8 @@ menu "Microsoft Hyper-V guest support"
> 
>  config HYPERV
>  	tristate "Microsoft Hyper-V client drivers"
> -	depends on X86 && ACPI && X86_LOCAL_APIC && HYPERVISOR_GUEST
> +	depends on ACPI && ((X86 && X86_LOCAL_APIC && HYPERVISOR_GUEST) \
> +		|| (ARM64 && !CPU_BIG_ENDIAN))
>  	select PARAVIRT
>  	select X86_HV_CALLBACK_VECTOR
>  	help
> --
> 1.8.3.1

Reviewed-by: Sunil Muthuswamy <sunilmut@...rosoft.com>