From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yijing Wang <wangyijing@huawei.com>
Subject: Re: [PATCH v6 04/30] xen/PCI: Don't use deprecated
	function pci_scan_bus_parented()
Date: Thu, 26 Mar 2015 09:18:59 +0800
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Cc: Liviu Dudau <liviu@dudau.co.uk>, linux-m68k@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>, Russell King <linux@arm.linux.org.uk>, "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>, Arnd Bergmann <arnd@arndb.de>, Marc Zyngier <marc.zyngier@arm.com>, "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>, "x86@kernel.org" <x86@kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>, linux-alpha@vger.kernel.org, Tony Luck <tony.luck@intel.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, "linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Guan Xuetao <gxt@mprc.pku.edu.cn>, Yinghai Lu <yinghai@kernel.org>, Jiang Liu <jiang.liu@linux.intel.com>, linux-arm <linux-arm-kernel@lists.infradead.org>
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>>>> That seems OK to me.  Probably still wrong, but no worse than it was before.
>>>
>>> Interesting. The mechanism for PCI passthrough can either synthesize
>>> and PCI bus number starting at zero (so first device is always 0:0:0.0)
>>> or it can replicate the backend PCI topology. That means you
>>> could have segment values passed in, so: ab:ff:00.1). I've to admin
>>> I hadn't tried the 'physical' replication on an machine with
>>> domains (err, segments).
>>>
>>> Is there an git tree with this so I can just try it out?
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
>> pci/enumeration-yw6 has similar code (it exports the single
> 
> I presume now it is bjorn/pci/enumeration-yw8 ? Going to test this out
> this week.

Yes, it's the latest version. thanks!

>> busn_resource and makes xen use it).  That should be functionally
>> identical to what v4.0-rc1 does.
>>
>> Yijing hasn't posted the static busn_res proposal above yet, so I
>> don't have a branch with that in it.
>>
>> Bjorn
> 
> .
> 


-- 
Thanks!
Yijing