diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index c41853220a7..52adb660c3d 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -1224,7 +1224,7 @@ pmap_init(void) * include at least one feature that is only supported by older Intel * or newer AMD processors. */ - if (vm_guest == VM_GUEST_VM && (cpu_feature & CPUID_SS) == 0 && + if (vm_guest != VM_GUEST_NO && (cpu_feature & CPUID_SS) == 0 && (cpu_feature2 & (CPUID2_SSSE3 | CPUID2_SSE41 | CPUID2_AESNI | CPUID2_AVX | CPUID2_XSAVE)) == 0 && (amd_feature2 & (AMDID2_XOP | AMDID2_FMA4)) == 0) diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 575e42f28d7..d40de0ff8b1 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -794,7 +794,7 @@ pmap_init(void) * include at least one feature that is only supported by older Intel * or newer AMD processors. */ - if (vm_guest == VM_GUEST_VM && (cpu_feature & CPUID_SS) == 0 && + if (vm_guest != VM_GUEST_NO && (cpu_feature & CPUID_SS) == 0 && (cpu_feature2 & (CPUID2_SSSE3 | CPUID2_SSE41 | CPUID2_AESNI | CPUID2_AVX | CPUID2_XSAVE)) == 0 && (amd_feature2 & (AMDID2_XOP | AMDID2_FMA4)) == 0) diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c index 65fb3e78d32..e48072c3a71 100644 --- a/sys/kern/subr_param.c +++ b/sys/kern/subr_param.c @@ -148,6 +148,7 @@ static const char *const vm_guest_sysctl_names[] = { "xen", "hv", "vmware", + "kvm", NULL }; CTASSERT(nitems(vm_guest_sysctl_names) - 1 == VM_LAST); diff --git a/sys/sys/systm.h b/sys/sys/systm.h index dae6adc7868..dab9ee2f439 100644 --- a/sys/sys/systm.h +++ b/sys/sys/systm.h @@ -74,7 +74,7 @@ extern int vm_guest; /* Running as virtual machine guest? */ * Keep in sync with vm_guest_sysctl_names[]. */ enum VM_GUEST { VM_GUEST_NO = 0, VM_GUEST_VM, VM_GUEST_XEN, VM_GUEST_HV, - VM_GUEST_VMWARE, VM_LAST }; + VM_GUEST_VMWARE, VM_GUEST_KVM, VM_LAST }; #if defined(WITNESS) || defined(INVARIANT_SUPPORT) void kassert_panic(const char *fmt, ...) __printflike(1, 2); diff --git a/sys/x86/x86/identcpu.c b/sys/x86/x86/identcpu.c index 48e07eaca3c..152866f580b 100644 --- a/sys/x86/x86/identcpu.c +++ b/sys/x86/x86/identcpu.c @@ -1300,6 +1300,8 @@ identify_hypervisor(void) vm_guest = VM_GUEST_VMWARE; else if (strcmp(hv_vendor, "Microsoft Hv") == 0) vm_guest = VM_GUEST_HV; + else if (strcmp(hv_vendor, "KVMKVMKVM") == 0) + vm_guest = VM_GUEST_KVM; } return; } diff --git a/sys/x86/x86/local_apic.c b/sys/x86/x86/local_apic.c index 203e9d00e8a..cd774df1422 100644 --- a/sys/x86/x86/local_apic.c +++ b/sys/x86/x86/local_apic.c @@ -499,8 +499,7 @@ native_lapic_init(vm_paddr_t addr) ver = lapic_read32(LAPIC_VERSION); if ((ver & APIC_VER_EOI_SUPPRESSION) != 0) { lapic_eoi_suppression = 1; - if (vm_guest == VM_GUEST_VM && - !strcmp(hv_vendor, "KVMKVMKVM")) { + if (vm_guest == VM_GUEST_KVM) { if (bootverbose) printf( "KVM -- disabling lapic eoi suppression\n");