linux-kernel - Re: [PATCH] pci: pciehp update the slot bridge res to get big range for pcie devices

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Message-ID: <4AE9F342.2090901@kernel.org>
Date:	Thu, 29 Oct 2009 12:55:46 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Alex Chiang <achiang@...com>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Bjorn Helgaas <bjorn.helgaas@...com>
Subject: Re: [PATCH] pci: pciehp update the slot bridge res to get big range
 for pcie devices

> 
> If enough space is routed and we get accurate information I am certain
> that is fine.  I am still worried about the change in policy though.
> 
> Only rerouting things when there is a need gives us the best chance of
> working everywhere.  Freeing unused resources on hotplug ports before
> we plug in a device scares me, because we do something that should
> but doesn't we reallocate them.  If there is simply not enough room
> we can do something different.

sure.

will send out another version, only release those res that don't have big range to support children.

YH
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