diff options
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 1d08ad358..2fbea2544 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -16,14 +16,14 @@ #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/uaccess.h> -#include <asm/i387.h> /* For use_eager_fpu. Ugh! */ -#include <asm/fpu-internal.h> /* For use_eager_fpu. Ugh! */ +#include <asm/fpu/internal.h> /* For use_eager_fpu. Ugh! */ #include <asm/user.h> -#include <asm/xsave.h> +#include <asm/fpu/xstate.h> #include "cpuid.h" #include "lapic.h" #include "mmu.h" #include "trace.h" +#include "pmu.h" static u32 xstate_required_size(u64 xstate_bv, bool compacted) { @@ -97,7 +97,9 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) if (best && (best->eax & (F(XSAVES) | F(XSAVEC)))) best->ebx = xstate_required_size(vcpu->arch.xcr0, true); - vcpu->arch.eager_fpu = guest_cpuid_has_mpx(vcpu); + vcpu->arch.eager_fpu = use_eager_fpu() || guest_cpuid_has_mpx(vcpu); + if (vcpu->arch.eager_fpu) + kvm_x86_ops->fpu_activate(vcpu); /* * The existing code assumes virtual address is 48-bit in the canonical @@ -111,7 +113,7 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) /* Update physical-address width */ vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu); - kvm_pmu_cpuid_update(vcpu); + kvm_pmu_refresh(vcpu); return 0; } @@ -415,6 +417,12 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, } break; } + case 6: /* Thermal management */ + entry->eax = 0x4; /* allow ARAT */ + entry->ebx = 0; + entry->ecx = 0; + entry->edx = 0; + break; case 7: { entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX; /* Mask ebx against host capability word 9 */ @@ -591,7 +599,6 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, break; case 3: /* Processor serial number */ case 5: /* MONITOR/MWAIT */ - case 6: /* Thermal management */ case 0xC0000002: case 0xC0000003: case 0xC0000004: |