linux-kernel - Re: [PATCH -v11 04/30] PCI: Add busn_res into struct pci

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Message-ID: <CAE9FiQVgDQO0ZUbYr_KC2byM6J+Y_RUT=Xpcf-Atay7_tgOFTg@mail.gmail.com>
Date:	Tue, 1 May 2012 12:28:26 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Tony Luck <tony.luck@...el.com>,
	David Miller <davem@...emloft.net>, x86 <x86@...nel.org>,
	Dominik Brodowski <linux@...inikbrodowski.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH -v11 04/30] PCI: Add busn_res into struct pci_bus.

On Tue, May 1, 2012 at 8:40 AM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
>>> bridge's Subordinate Bus Number in config space == bus->subordinate ==
>>> bus->busn_res.end (correct me if I'm wrong).  I don't like the
>>> redundancy in this case.
>>
>> there are about 70 bus->subordinate reference and 40 bus->secondary reference.
>>
>> could try to update them in following patch set.
>
> If you're proposing this:
>  1. add bus->busn_res
>  2. remove bus->subordinate and bus->secondary
> I fully support that, and I'd like to merge both pieces at the same
> time (different patches is fine; I just want to make sure both pieces
> actually happen).

yes. Can you consider applying  "removing bus->subordinate" patch set
to be applied after:
for-pci-busn-alloc
for-pci-root-bus-hotplug
for-pci-for-each-res-addon
for-pci-res-alloc

otherwise there would be some extra rebase work for last three patch set.

Yinghai
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