Re: Patch "PCI: acpiphp: Re-enumerate devices when host bridge receives Bus Check" has been added to the 3.9-stable tree

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On Sat, Jun 29, 2013 at 04:31:39AM +0100, Ben Hutchings wrote:
> On Thu, 2013-06-27 at 13:44 -0700, Yinghai Lu wrote:
> > On Thu, Jun 27, 2013 at 1:00 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> > > On Thu, Jun 27, 2013 at 12:30:25PM -0700, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> > >>
> > >> This is a note to let you know that I've just added the patch titled
> > >>
> > >>     PCI: acpiphp: Re-enumerate devices when host bridge receives Bus Check
> > >>
> > >> to the 3.9-stable tree which can be found at:
> > >>     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> > >>
> > >> The filename of the patch is:
> > >>      pci-acpiphp-re-enumerate-devices-when-host-bridge-receives-bus-check.patch
> > >> and it can be found in the queue-3.9 subdirectory.
> > >>
> > >> If you, or anyone else, feels it should not be added to the stable tree,
> > >> please let <stable@xxxxxxxxxxxxxxx> know about it.
> > >>
> > >>
> > >> >From 3f327e39b4b8f760c331bb2836735be6d83fbf53 Mon Sep 17 00:00:00 2001
> > >
> > > And this one fails to link because of the previous ones not being
> > > present, so it's now dropped as well...
> > 
> > What are previous ones?
> > 
> > 668192b678 ("PCI: acpiphp: Move host bridge hotplug to
> > pci_root.c") is not in your tree?
> 
> The problem is you didn't export acpiphp_check_host_bridge.  And I think
> you would have to remove the module_exit function from acpiphp rather
> than just clearing that pointer and hoping no-one called through it
> recently.
> 
> Alternately, Greg could just cherry-pick commit 
> 6037a803b05eef9943fb64982e19964007fb7478 'PCI: acpiphp: Convert acpiphp
> to be builtin only, not modular'.  acpiphp was never very useful as a
> module since it didn't get auto-loaded.

We couldn't auto-load it as that would have broken some systems a number
of years ago, that's why I did it that way.

Even with cherry-picking 6037a803b05eef9943fb64982e19964007fb7478,
commit 3f327e39b4b8f760c331bb2836735be6d83fbf53 doesn't apply properly,
so I'll just wait for a developer to care enough to send me patches that
actually apply and build properly for 3.9-stable if they want them there
:)

thanks,

greg k-h
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