From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: Remaining passthrough/VT-d tasks list
Date: Sun, 28 Sep 2008 07:25:44 +0300
Message-ID: <48DF0748.10107@redhat.com>
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Cc: "Han, Weidong" <weidong.han@intel.com>, kvm@vger.kernel.org,
	Amit Shah <amit.shah@redhat.com>, benami@il.ibm.com,
	muli@il.ibm.com, "Kay, Allen M" <allen.m.kay@intel.com>,
	"Yang, Sheng" <sheng.yang@intel.com>,
	"Zhang, Xiantao" <xiantao.zhang@intel.com>
To: "Dong, Eddie" <eddie.dong@intel.com>
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Dong, Eddie wrote:
>> I don't see how this relates to shared guest interrupts. 
>> Whatever you have on the host side, you still need to
>> support shared guest interrupts.  The only way to avoid
>> the issue is by using MSI for the guest, and even then we
>> still have to support interrupt sharing since not all
>> guests have MSI support. 
>>     
>
> Yes, but guest sharing is easy to solve by emulating NAND gate of PCI
> line. 
>   

Certainly, it isn't difficult.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.