From: "Enrico Weigelt, metux IT consult" <info@metux.net>
To: linux-kernel@vger.kernel.org
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
x86@kernel.org, hpa@zytor.com, dmitry.torokhov@gmail.com,
derek.kiernan@xilinx.com, dragan.cvetic@xilinx.com,
richardcochran@gmail.com, linux-hyperv@vger.kernel.org,
linux-input@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH 2/2] x86: make hyperv support optional
Date: Tue, 17 Nov 2020 21:21:34 +0100 [thread overview]
Message-ID: <20201117202134.6312-2-info@metux.net> (raw)
In-Reply-To: <20201117202134.6312-1-info@metux.net>
---
arch/x86/Kconfig | 7 +++++++
arch/x86/kernel/cpu/Makefile | 4 ++--
arch/x86/kernel/cpu/hypervisor.c | 2 ++
drivers/hv/Kconfig | 2 +-
4 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index c227c1fa0091..60aab344d6ab 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -808,6 +808,13 @@ config VMWARE_GUEST
This option enables several optimizations for running under the
VMware hypervisor.
+config HYPERV_GUEST
+ bool "HyperV Guest support"
+ default y
+ help
+ This option enables several optimizations for running under the
+ HyperV hypervisor.
+
config KVM_GUEST
bool "KVM Guest support (including kvmclock)"
depends on PARAVIRT
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index a615b0152bf0..5536b801cb44 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -51,9 +51,9 @@ obj-$(CONFIG_X86_CPU_RESCTRL) += resctrl/
obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o
-obj-$(CONFIG_HYPERVISOR_GUEST) += hypervisor.o mshyperv.o
+obj-$(CONFIG_HYPERVISOR_GUEST) += hypervisor.o
obj-$(CONFIG_VMWARE_GUEST) += vmware.o
-
+obj-$(CONFIG_HYPERV_GUEST) += mshyperv.o
obj-$(CONFIG_ACRN_GUEST) += acrn.o
ifdef CONFIG_X86_FEATURE_NAMES
diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c
index c0e770a224aa..32d6b2084d05 100644
--- a/arch/x86/kernel/cpu/hypervisor.c
+++ b/arch/x86/kernel/cpu/hypervisor.c
@@ -37,7 +37,9 @@ static const __initconst struct hypervisor_x86 * const hypervisors[] =
#ifdef CONFIG_VMWARE_GUEST
&x86_hyper_vmware,
#endif
+#ifdef CONFIG_HYPERV_GUEST
&x86_hyper_ms_hyperv,
+#endif
#ifdef CONFIG_KVM_GUEST
&x86_hyper_kvm,
#endif
diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig
index 79e5356a737a..7b3094c59a81 100644
--- a/drivers/hv/Kconfig
+++ b/drivers/hv/Kconfig
@@ -4,7 +4,7 @@ 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 X86 && ACPI && X86_LOCAL_APIC && HYPERV_GUEST
select PARAVIRT
select X86_HV_CALLBACK_VECTOR
help
--
2.11.0
next prev parent reply other threads:[~2020-11-17 20:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-17 20:21 [PATCH 1/2] x86: make vmware support optional Enrico Weigelt, metux IT consult
2020-11-17 20:21 ` Enrico Weigelt, metux IT consult [this message]
2020-11-17 20:23 Enrico Weigelt, metux IT consult
2020-11-17 20:23 ` [PATCH 2/2] x86: make hyperv " Enrico Weigelt, metux IT consult
2020-11-18 9:23 ` Wei Liu
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