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-rw-r--r--arch/x86/kvm/cpuid.c2
-rw-r--r--arch/x86/kvm/cpuid.h6
-rw-r--r--arch/x86/kvm/mmu/mmu.c3
-rw-r--r--arch/x86/kvm/x86.c2
4 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index a25b520d26c9..ec91b9b127fa 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -946,7 +946,7 @@ bool kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx,
* requested. AMD CPUID semantics returns all zeroes for any
* undefined leaf, whether or not the leaf is in range.
*/
- if (!entry && check_limit && !guest_cpuid_is_amd(vcpu) &&
+ if (!entry && check_limit && !guest_cpuid_is_amd_or_hygon(vcpu) &&
!cpuid_function_in_range(vcpu, function)) {
max = kvm_find_cpuid_entry(vcpu, 0, 0);
if (max) {
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index cccfd854aacf..a0988609f620 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -214,12 +214,14 @@ static __always_inline void guest_cpuid_clear(struct kvm_vcpu *vcpu,
*reg &= ~__feature_bit(x86_feature);
}
-static inline bool guest_cpuid_is_amd(struct kvm_vcpu *vcpu)
+static inline bool guest_cpuid_is_amd_or_hygon(struct kvm_vcpu *vcpu)
{
struct kvm_cpuid_entry2 *best;
best = kvm_find_cpuid_entry(vcpu, 0, 0);
- return best && is_guest_vendor_amd(best->ebx, best->ecx, best->edx);
+ return best &&
+ (is_guest_vendor_amd(best->ebx, best->ecx, best->edx) ||
+ is_guest_vendor_hygon(best->ebx, best->ecx, best->edx));
}
static inline int guest_cpuid_family(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 554546948e87..f1eb2d3e1f40 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4510,7 +4510,8 @@ static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu,
cpuid_maxphyaddr(vcpu), context->root_level,
context->nx,
guest_cpuid_has(vcpu, X86_FEATURE_GBPAGES),
- is_pse(vcpu), guest_cpuid_is_amd(vcpu));
+ is_pse(vcpu),
+ guest_cpuid_is_amd_or_hygon(vcpu));
}
static void
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 96e897d38a63..cda0b787b2e3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2550,7 +2550,7 @@ static void kvmclock_sync_fn(struct work_struct *work)
static bool can_set_mci_status(struct kvm_vcpu *vcpu)
{
/* McStatusWrEn enabled? */
- if (guest_cpuid_is_amd(vcpu))
+ if (guest_cpuid_is_amd_or_hygon(vcpu))
return !!(vcpu->arch.msr_hwcr & BIT_ULL(18));
return false;