On 11/04/2019 12:49 PM, Jim Mattson wrote:
On Tue, Oct 22, 2019 at 2:33 PM Jim Mattson <jmattson@xxxxxxxxxx> wrote:Leaf 0x80000005 is "L1 Cache and TLB Information." Leaf 0x80000006 is "L2 Cache and TLB and L3 Cache Information." Include these leaves in the array returned by KVM_GET_SUPPORTED_CPUID. Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx> --- arch/x86/kvm/cpuid.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 9c5029cf6f3f..1b40d8277b84 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -730,6 +730,9 @@ static inline int __do_cpuid_func(struct kvm_cpuid_entry2 *entry, u32 function, entry->ecx &= kvm_cpuid_8000_0001_ecx_x86_features; cpuid_mask(&entry->ecx, CPUID_8000_0001_ECX); break; + case 0x80000005: + case 0x80000006: + break; case 0x80000007: /* Advanced power management */ /* invariant TSC is CPUID.80000007H:EDX[8] */ entry->edx &= (1 << 8); -- 2.23.0.866.gb869b98d4c-googPing.
Just curious about where we are actually setting the information for these two leaves. I don't see it either in __do_cpuid_func() or in kvm_x86_ops->set_supported_cpuid().
