On 09/11/2016 18:41, Jim Mattson wrote:
> Agreed, but as you can probably tell, I don't use QEMU, so I will
> leave that to someone who does.
If you can find a colleague or minion to do it, fine, otherwise I'll
drop the patch. The benefit is small and the corner cases large.
Paolo
> On Wed, Nov 9, 2016 at 9:37 AM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>>
>>
>> On 09/11/2016 18:28, Jim Mattson wrote:
>>> Better would be to call kvm_update_cpuid regardless, I think.
>>
>> Sure. A kvm-unit-tests patch would be even better so that we can ensure
>> it works with QEMU userspace irqchip. :)
>>
>> Paolo
>>
>>> On Wed, Nov 9, 2016 at 9:14 AM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>>>>
>>>>
>>>> On 09/11/2016 18:04, Jim Mattson wrote:
>>>>>
>>>>> + best->edx &= ~F(APIC);
>>>>> + if (vcpu->arch.apic_base & MSR_IA32_APICBASE_ENABLE)
>>>>> + best->edx |= F(APIC);
>>>>> +
>>>>> if (apic) {
>>>>> if (best->ecx & F(TSC_DEADLINE_TIMER))
>>>>> apic->lapic_timer.timer_mode_mask = 3 << 17;
>>>>
>>>> The three new lines should be inside "if (apic)", because you are not
>>>> calling kvm_update_cpuid at all in kvm_lapic_set_base's "if (!apic)" case.
>>>>
>>>> Thanks,
>>>>
>>>> Paolo
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