linux-kernel - Re:[Xen-devel] [PATCH v2 0/6] Xen PV on HVM fixes and improvements

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Date:	Thu, 3 Mar 2011 15:05:09 +0000
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	topperxin <topperxin@....com>
CC:	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	Jeremy Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re:[Xen-devel] [PATCH v2 0/6] Xen PV on HVM fixes and improvements

On Thu, 3 Mar 2011, topperxin wrote:
> Hi stefano,
> 
>    It's very great of your work.I think it't useful 
> to me, I have checked it out, and I will study it.
>   What I care mostly is the pv-on-hvm drivers, now 
> my main work is port pvonhvm drivers to various guest
> OS, no matter what OS version, such as ubuntu 10.10, 
> debian 505 etc. But I found this work is difficult & 
> boring to me, I can't find a general method which can 
> easily port the pvonhvm drivers to all kinds guest os.
> Do you have any good ideas?

PV on HVM is upstream now, so it is just a matter of time before all the
distros will have a kernel that supports PV on HVM out of the box.


>    I found there are not platform-pci source in your 
> project, as we know, in the old pvonhvm drivers version,
> platform-pci module is important, it was used to establish
> the communication mechanism, such as xenbus, evtchn,etc, 
> could you please tell me how can you get rid of it? and how 
> can you substitute platform-pci, with which?

Yes there is:
drivers/xen/platform-pci.c