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SubjectRe: [PATCH 0/8] PCI, ACPI, x86: Reserve fw allocated resource for hot-add root bus
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On Wednesday, January 09, 2013 05:34:32 PM Bjorn Helgaas wrote:
> On Wed, Jan 9, 2013 at 1:10 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > On Wednesday, January 09, 2013 11:01:39 AM Yinghai Lu wrote:
> >> On Wed, Jan 9, 2013 at 10:39 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
> >> >> the reason why we need to change those codes for x86, we want to make it support
> >> >> pci root bus hotplug. So it would be reasonable for us to align other
> >> >> platform to x86
> >> >> changes after pci root bus hotplug change is completely done.
> >> >
> >> > OK, I opened https://bugzilla.kernel.org/show_bug.cgi?id=52531 as a
> >> > way to keep track of this consistency issue and merged
> >> > pci/yinghai-survey-resources to my -next branch.
> >>
> >> Thanks a lot. will send other pci root bus hotplug out.
> >>
> >> question: now Rafael's tree has acpi-scan branch and it touches pci-root.c.
> >>
> >> so is it ok for me to base patches on your pci/next and his pm/acpi-scan?
> >> how?
> >> can you two have some arrangement like you pulling Rafael's branch?
> >
> > My acpi-scan branch is not going to be rebased going forward, so it can be
> > pulled from safely if that helps.
>
> I'm happy to do that, but it is outside the scope of my limited git
> experience. My guess is that I should do this (doing the pull into a
> branch which I later merge into my -next branch):
>
> $ git checkout -b pci/yinghai-survey-resources+acpi-scan
> pci/yinghai-survey-resources
> $ git pull --no-ff --log
> git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
> acpi-scan
> $ vi drivers/acpi/pci_root.c # resolve conflicts
> $ git add drivers/acpi/pci_root.c
> $ git commit
>
> $ git checkout next
> $ git merge --no-ff --log pci/yinghai-survey-resources+acpi-scan
>
> Is that reasonable?

Yes, it looks reasonable.

> This won't cause issues when both Rafael and I ask Linus to pull from our
> trees later?

No, it won't, as long as I don't rebase the original acpi-scan branch (which
I'm not going to do) and you don't rebase your
pci/yinghai-survey-resources+acpi-scan branch going forward.

The pull makes your tree contain the same commits (i.e. commit IDs along with
the data) that are in my acpi-scan branch, so when Linus merges them together,
git will notice that the commits are the same.

Thanks,
Rafael


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


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