Commit 806793f5 authored Jan 29, 2018 by Stanislav Lanci Committed by Radim Krčmář Jan 31, 2018

KVM: x86: AMD Processor Topology Information



This patch allow to enable x86 feature TOPOEXT. This is needed to provide
information about SMT on AMD Zen CPUs to the guest.

Signed-off-by: Stanislav Lanci <pixo@polepetko.eu>
Tested-by: Nick Sarnie <commendsarnex@gmail.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Babu Moger <babu.moger@amd.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

parent d391f120

arch/x86/kvm/cpuid.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -371,7 +371,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
		F(LAHF_LM) \| F(CMP_LEGACY) \| 0 /SVM/ \| 0 /* ExtApicSpace */ \|
		F(CR8_LEGACY) \| F(ABM) \| F(SSE4A) \| F(MISALIGNSSE) \|
		F(3DNOWPREFETCH) \| F(OSVW) \| 0 /* IBS */ \| F(XOP) \|
		0 /* SKINIT, WDT, LWP */ \| F(FMA4) \| F(TBM);
		0 /* SKINIT, WDT, LWP */ \| F(FMA4) \| F(TBM) \|
		F(TOPOEXT);

		/* cpuid 0xC0000001.edx */
		const u32 kvm_cpuid_C000_0001_edx_x86_features =

Admin message