linux-kernel - Re: [PATCH v11 5/5] Drivers: hv: Enable Hyper-V code to be built on ARM64

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Date:   Wed, 21 Jul 2021 22:52:41 +0800
From:   Boqun Feng <boqun.feng@...il.com>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     will@...nel.org, catalin.marinas@....com, mark.rutland@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-hyperv@...r.kernel.org, linux-efi@...r.kernel.org,
        wei.liu@...nel.org, kys@...rosoft.com, sthemmin@...rosoft.com,
        ardb@...nel.org
Subject: Re: [PATCH v11 5/5] Drivers: hv: Enable Hyper-V code to be built on
 ARM64

On Tue, Jul 20, 2021 at 07:57:03AM -0700, Michael Kelley wrote:
> Update drivers/hv/Kconfig so CONFIG_HYPERV can be selected on
> ARM64, causing the Hyper-V specific code to be built. Exclude the
> Hyper-V enlightened clocks/timers code from being built for ARM64.
> 
> Signed-off-by: Michael Kelley <mikelley@...rosoft.com>

FWIW,

Reviewed-by: Boqun Feng <boqun.feng@...il.com>

Regards,
Boqun

> ---
>  drivers/hv/Kconfig | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig
> index 66c794d..e509d5d 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
> @@ -12,7 +13,7 @@ config HYPERV
>  	  system.
>  
>  config HYPERV_TIMER
> -	def_bool HYPERV
> +	def_bool HYPERV && X86
>  
>  config HYPERV_UTILS
>  	tristate "Microsoft Hyper-V Utilities driver"
> -- 
> 1.8.3.1
>