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[v3,19/19] KVM: VMX: Allow KVM_INTEL when building for Centaur and/or Zhaoxin CPUs

Message ID 20191119031240.7779-20-sean.j.christopherson@intel.com (mailing list archive)
State New, archived
Headers show
Series x86/cpu: Clean up handling of VMX features | expand

Commit Message

Sean Christopherson Nov. 19, 2019, 3:12 a.m. UTC 
Change the dependency for KVM_INTEL, i.e. KVM w/ VMX, from Intel CPUs to
any CPU that has IA32_FEATURE_CONTROL MSR and thus VMX functionality.
This effectively allows building KVM_INTEL for Centaur and Zhaoxin CPUs.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kvm/Kconfig | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
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Patch

diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 840e12583b85..f364efe324ce 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -60,13 +60,11 @@  config KVM
 	  If unsure, say N.
 
 config KVM_INTEL
-	tristate "KVM for Intel processors support"
-	depends on KVM
-	# for perf_guest_get_msrs():
-	depends on CPU_SUP_INTEL
+	tristate "KVM for Intel (and compatible) processors support"
+	depends on KVM && X86_FEATURE_CONTROL_MSR
 	---help---
-	  Provides support for KVM on Intel processors equipped with the VT
-	  extensions.
+	  Provides support for KVM on processors equipped with Intel's VT
+	  extensions, a.k.a. Virtual Machine Extensions (VMX).
 
 	  To compile this as a module, choose M here: the module
 	  will be called kvm-intel.