Re: [PATCH v4 2/4] KVM: x86: Use vector-hashing to deliver lowest-priority interrupts

[Paolo Bonzini]

On 28/01/2016 02:51, Wu, Feng wrote:
> 
> 
>> -----Original Message-----
>> From: Radim KrÄmÃÅ [mailto:rkrcmar@xxxxxxxxxx]
>> Sent: Wednesday, January 27, 2016 2:59 AM
>> To: Wu, Feng <feng.wu@xxxxxxxxx>
>> Cc: pbonzini@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx
>> Subject: Re: [PATCH v4 2/4] KVM: x86: Use vector-hashing to deliver lowest-
>> priority interrupts
>>
>> 2016-01-25 16:53+0800, Feng Wu:
>>> Use vector-hashing to deliver lowest-priority interrupts, As an
>>> example, modern Intel CPUs in server platform use this method to
>>> handle lowest-priority interrupts.
>>>
>>> Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
>>> ---
>>
>> With any proposed resolution of BUG_ON in kvm_vector_to_index,
>>
>> Reviewed-by: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
>>
>>> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
>>> @@ -123,6 +123,9 @@ module_param(tsc_tolerance_ppm, uint, S_IRUGO |
>> S_IWUSR);
>>> +bool __read_mostly vector_hashing = true;
>>
>> (Module param can be static.)
>>
>>> +module_param(vector_hashing, bool, S_IRUGO);
> 
> Thanks a lot for your comments, Radim & Paolo! 
> 
> Paolo, given that the only two comments above, do I need to send v5? Or
> you can handle it while merging them? I am fine with both methods.

It's fine, I'm merging it.

Paolo