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

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Message-Id: <1626793023-13830-6-git-send-email-mikelley@microsoft.com>
Date:   Tue, 20 Jul 2021 07:57:03 -0700
From:   Michael Kelley <mikelley@...rosoft.com>
To:     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
Cc:     mikelley@...rosoft.com
Subject: [PATCH v11 5/5] 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. Exclude the
Hyper-V enlightened clocks/timers code from being built for ARM64.

Signed-off-by: Michael Kelley <mikelley@...rosoft.com>
---
 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