Re: [PATCH 2/6] drivers/hv: Enable VTL mode for arm64

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On 5/15/2024 12:43 AM, Wei Liu wrote:
On Fri, May 10, 2024 at 09:05:01AM -0700, romank@xxxxxxxxxxxxxxxxxxx wrote:
From: Roman Kisel <romank@xxxxxxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxxxxxx>
---
  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.

Appreciate your help! I've sent out v2 with the base commit set, and so far, robots have been fine with it :) I haven't noticed an alert of a broken build due to this change.

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


--
Thank you,
Roman




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