We need to set the HYPERVISOR flag to let the kernel know we're running under a hypervisor.
This makes the kernel enable all sorts of para-virtualization options such as kvm-clock. Signed-off-by: Sasha Levin <[email protected]> --- tools/kvm/x86/cpuid.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/tools/kvm/x86/cpuid.c b/tools/kvm/x86/cpuid.c index 75f3b4d..6a20dd0 100644 --- a/tools/kvm/x86/cpuid.c +++ b/tools/kvm/x86/cpuid.c @@ -21,6 +21,10 @@ static void filter_cpuid(struct kvm_cpuid2 *kvm_cpuid) struct kvm_cpuid_entry2 *entry = &kvm_cpuid->entries[i]; switch (entry->function) { + case 1: + if (entry->index == 0) + entry->ecx |= (1<<31); + break; case 6: /* Clear presence of IA32_ENERGY_PERF_BIAS */ entry->ecx = entry->ecx & ~(1 << 3); -- 1.7.8.6 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
