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From: Wei Liu <wei.liu@kernel.org>
To: romank@linux.microsoft.com
Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
	decui@microsoft.com, linux-hyperv@vger.kernel.org,
	rafael@kernel.org, lenb@kernel.org, linux-acpi@vger.kernel.org,
	ssengar@microsoft.com, sunilmut@microsoft.com
Subject: Re: [PATCH 2/6] drivers/hv: Enable VTL mode for arm64
Date: Wed, 15 May 2024 07:43:24 +0000	[thread overview]
Message-ID: <ZkRnnM1f5lUo7OLB@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <20240510160602.1311352-3-romank@linux.microsoft.com>

On Fri, May 10, 2024 at 09:05:01AM -0700, romank@linux.microsoft.com wrote:
> From: Roman Kisel <romank@linux.microsoft.com>
> 
> This change removes dependency on ACPI when buidling the hv drivers to
> allow Virtual Trust Level boot with DeviceTree.
> 
> Signed-off-by: Roman Kisel <romank@linux.microsoft.com>
> ---
>  drivers/hv/Kconfig | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig
> index 862c47b191af..a5cd1365e248 100644
> --- a/drivers/hv/Kconfig
> +++ b/drivers/hv/Kconfig
> @@ -5,7 +5,7 @@ menu "Microsoft Hyper-V guest support"
>  config HYPERV
>  	tristate "Microsoft Hyper-V client drivers"
>  	depends on (X86 && X86_LOCAL_APIC && HYPERVISOR_GUEST) \
> -		|| (ACPI && ARM64 && !CPU_BIG_ENDIAN)
> +		|| (ARM64 && !CPU_BIG_ENDIAN)
>  	select PARAVIRT
>  	select X86_HV_CALLBACK_VECTOR if X86
>  	select OF_EARLY_FLATTREE if OF
> @@ -15,7 +15,7 @@ config HYPERV
>  
>  config HYPERV_VTL_MODE
>  	bool "Enable Linux to boot in VTL context"
> -	depends on X86_64 && HYPERV
> +	depends on HYPERV

As Ktest bot pointed out, this change broke the build.

Thanks,
Wei.

>  	depends on SMP
>  	default n
>  	help
> @@ -31,7 +31,7 @@ config HYPERV_VTL_MODE
>  
>  	  Select this option to build a Linux kernel to run at a VTL other than
>  	  the normal VTL0, which currently is only VTL2.  This option
> -	  initializes the x86 platform for VTL2, and adds the ability to boot
> +	  initializes the kernel to run in VTL2, and adds the ability to boot
>  	  secondary CPUs directly into 64-bit context as required for VTLs other
>  	  than 0.  A kernel built with this option must run at VTL2, and will
>  	  not run as a normal guest.
> -- 
> 2.45.0
> 

  parent reply	other threads:[~2024-05-15  7:43 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-10 16:04 [PATCH 0/6] arm64/hyperv: Support Virtual Trust Level boot romank
2024-05-10 16:05 ` [PATCH 1/6] arm64/hyperv: Support DeviceTree romank
2024-05-10 17:04   ` Easwar Hariharan
2024-05-10 17:42     ` Roman Kisel
2024-05-14 22:46       ` Easwar Hariharan
2024-05-14 23:17         ` Roman Kisel
2024-05-15  0:00           ` Easwar Hariharan
2024-05-20 17:08             ` Roman Kisel
2024-05-10 16:05 ` [PATCH 2/6] drivers/hv: Enable VTL mode for arm64 romank
2024-05-12  2:54   ` kernel test robot
2024-05-15  7:43   ` Wei Liu [this message]
2024-05-20 17:00     ` Roman Kisel
2024-05-10 16:05 ` [PATCH 3/6] arm64/hyperv: Boot in a Virtual Trust Level romank
2024-05-10 16:05 ` [PATCH 4/6] drivers/hv: arch-neutral implementation of get_vtl() romank
2024-05-10 16:05 ` [PATCH 5/6] drivers/hv/vmbus: Get the irq number from DeviceTree romank
2024-05-10 16:05 ` [PATCH 6/6] drivers/pci/hyperv/arm64: vPCI MSI IRQ domain from DT romank

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