linux-kernel - Re: [PATCH 1/2] pci: release that leaf bridge' resource index is not used -v6

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Message-ID: <20091029105157.0e160c6b@jbarnes-g45>
Date:	Thu, 29 Oct 2009 10:51:57 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alex Chiang <achiang@...com>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>
Subject: Re: [PATCH 1/2] pci: release that leaf bridge' resource index is
 not used -v6

On Thu, 29 Oct 2009 10:10:22 -0700
Yinghai Lu <yinghai@...nel.org> wrote:
> > Also I wonder if we need to make this a command line option that
> > isn't run by default?
> 
> thinking:
> 1. try not to touch bridge resource and do the allocation and record
> the fail device 2. release leaf bridge for those failed device
> 3. do second around bus_size and allocation.

Yeah, that would make it more automatic at least, which would be nice.

> > Really, as Eric says, we need a real dynamic allocation system with
> > the ability to move devices around at some point.  Any
> > volunteers? :)
> 
> that will need suspend driver and rescan allocation and wakeup
> driver...

Right, it's fairly invasive.  But it's the right direction to go long
term.

-- 
Jesse Barnes, Intel Open Source Technology Center
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