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

From Paolo Bonzini <pbonzini@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH v4 2/4] KVM: x86: Use vector-hashing to deliver lowest-priority interrupts
Date 2016-01-29 09:20 +0100
Message-ID <qWcrE-8oa-9@gated-at.bofh.it> (permalink)
References <qULtw-1Kq-3@gated-at.bofh.it> <qULtx-1Kq-9@gated-at.bofh.it> <qVh0n-8go-27@gated-at.bofh.it> <qVK2m-4kg-3@gated-at.bofh.it>
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On 28/01/2016 02:51, Wu, Feng wrote:
> 
> 
>> -----Original Message-----
>> From: Radim Krčmář [mailto:rkrcmar@redhat.com]
>> Sent: Wednesday, January 27, 2016 2:59 AM
>> To: Wu, Feng <feng.wu@intel.com>
>> Cc: pbonzini@redhat.com; linux-kernel@vger.kernel.org; kvm@vger.kernel.org
>> 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@intel.com>
>>> ---
>>
>> With any proposed resolution of BUG_ON in kvm_vector_to_index,
>>
>> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
>>
>>> 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

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Thread

RE: [PATCH v4 2/4] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts "Wu, Feng" <feng.wu@intel.com> - 2016-01-28 03:00 +0100
  Re: [PATCH v4 2/4] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts Paolo Bonzini <pbonzini@redhat.com> - 2016-01-29 09:20 +0100
    RE: [PATCH v4 2/4] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts "Wu, Feng" <feng.wu@intel.com> - 2016-01-29 09:30 +0100

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