From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Chen, Tiejun" <tiejun.chen@intel.com>
Subject: Re: [v7][PATCH 06/16] hvmloader/pci: skip reserved
	ranges
Date: Wed, 15 Jul 2015 19:40:28 +0800
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To: Jan Beulich <JBeulich@suse.com>, George Dunlap <George.Dunlap@eu.citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>, Ian Campbell <ian.campbell@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>, Keir Fraser <keir@xen.org>
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On 2015/7/15 19:27, Jan Beulich wrote:
>>>> On 15.07.15 at 13:05, <George.Dunlap@eu.citrix.com> wrote:
>> This patch series as a whole represents a lot of work and a lot of
>> tangible improvements to the situation; and (unless the situation has
>> changed) it's almost entirely acked apart from the MMIO placement
>> part.  If there is a simple way that we can change hvmloader so that
>> most (or even many) VM/device combinations work properly for the 4.6
>> release, then I think it's worth considering.
>
> And I think the simplest way is to replace the allocation mechanism

This is the best way not the simplest way.

The bitmap way matching our all requirement is not easy and realistic to 
address design/write/test/review in short time. And also the entire 
replacement would bring more potential risks to 4.6 release.

Thanks
Tiejun

> as outlined rather than trying to make the current model cope with
> the new requirement.
>
> Jan
>
>
>