linux-kernel - Re: [PATCH v9 12/18] vfio: Register/unregister irq_bypass

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Message-ID: <560201D3.9020502@linaro.org>
Date:	Wed, 23 Sep 2015 03:35:15 +0200
From:	Eric Auger <eric.auger@...aro.org>
To:	"Wu, Feng" <feng.wu@...el.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	"alex.williamson@...hat.com" <alex.williamson@...hat.com>,
	"joro@...tes.org" <joro@...tes.org>,
	"mtosatti@...hat.com" <mtosatti@...hat.com>
Cc:	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v9 12/18] vfio: Register/unregister irq_bypass_producer

Hi Feng,
On 09/22/2015 11:01 AM, Wu, Feng wrote:
> 
> 
>> -----Original Message-----
>> From: linux-kernel-owner@...r.kernel.org
>> [mailto:linux-kernel-owner@...r.kernel.org] On Behalf Of Eric Auger
>> Sent: Tuesday, September 22, 2015 3:46 AM
>> To: Paolo Bonzini; Wu, Feng; alex.williamson@...hat.com; joro@...tes.org;
>> mtosatti@...hat.com
>> Cc: kvm@...r.kernel.org; iommu@...ts.linux-foundation.org;
>> linux-kernel@...r.kernel.org
>> Subject: Re: [PATCH v9 12/18] vfio: Register/unregister irq_bypass_producer
>>
>> Hi,
>> On 09/21/2015 03:02 PM, Paolo Bonzini wrote:
>>>
>>>
>>> On 21/09/2015 14:53, Wu, Feng wrote:
>>>>>>>> I think the point is that we cannot trigger the build of irqbypass
>>>>>>>> manager inside KVM or VFIO, we need trigger the build at a high
>>>>>>>> level and it should be built before VFIO and KVM. Any ideas?
>>>>>>
>>>>>> We can add virt/Makefile and build virt/lib/ directly, not through
>>>>>> arch/x86/kvm.
>>>> Thinking about this more, does that mean we need to add the virt directory
>>>> in the top Makefile in Linux tree?
>>>
>>> Yes, it does.
>> So I understand this will replace patches 2 & 3 then and will fix the
>> arm64 issue then.
> 
> I just sent a patch to fix this build error. BTW, from the reply of Paolo, seems
> he dropped patch 3 in this series, maybe he think it doesn't have much
> relationship with other patches, so maybe you could include it in your series
> when forwarded irq work gets ready.
OK no problem. I moved that patch (modified according to the new
compilation scheme) in the irq forwarding series.

Thanks

Eric
> 
> Thanks,
> Feng
> 
>>
>> Thanks
>>
>> Eric
>>
>>>
>>> Paolo
>>>
>>
>> --
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