linux-kernel - Re: Please revert 928bea964827d7824b548c1f8e06eccbbc4d0d7d

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Date:	Sat, 28 Sep 2013 13:05:50 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Please revert 928bea964827d7824b548c1f8e06eccbbc4d0d7d

On Fri, 2013-09-27 at 16:44 -0700, Yinghai Lu wrote:

> > Thus the port driver bails out before calling pci_set_master(). The fix
> > is to call pci_set_master() unconditionally. However that lead me to
> > find to a few interesting oddities in that port driver code:
> 
> can we revert that partially change ? aka we should check get_port....
> at first...
> 
> like attached.

In the meantime, can you properly submit the other one with the warning
to Linus ? It will make things more robust overall...

Also, please read my other comments. I think we are treading on very
fragile ground with that whole business of potentially disabling bridges
in the pcieport driver ...

Cheers,
Ben.


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