linux-kernel - Re: [RFC PATCH v5 4/8] ACPI, PCI: avoid building pci

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Message-ID: <CAE9FiQU84OSQrQJEGAQTDzVv8kGCi+fmgM8+ycoMXMUfHsNe-g@mail.gmail.com>
Date:	Mon, 28 Jan 2013 14:58:15 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Jiang Liu <liuj97@...il.com>,
	Jiang Liu <jiang.liu@...wei.com>,
	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	Yijing Wang <wangyijing@...wei.com>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Toshi Kani <toshi.kani@...com>,
	Myron Stowe <myron.stowe@...hat.com>
Subject: Re: [RFC PATCH v5 4/8] ACPI, PCI: avoid building pci_slot as module

On Mon, Jan 28, 2013 at 2:14 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
>
> CONFIG_ACPI_PCI_SLOT=y in RHEL6, so evidently they have this problem.

oh, I only checked opensuse that has that set to m.

>
> Asking users to edit module.conf by hand is not a solution, just like
> asking users to boot with a command line option is not a solution.
> That sort of stuff is fine for a hobbyist OS intended only for techie
> geeks.  It's not fine for Linux.

not sure. add something in command line or conf files.
but recompile kernel is another story.

>
> If you would give a concrete example of the ACPI namespace info and
> device config, hotplug sequence, etc., required to show the problem,
> we could have a useful discussion about ways to fix it.  But if all
> you have is FUD about "this might break and users won't have the
> ability to edit modules.conf," that doesn't help me see why this patch
> is a bad idea.

Never mind, We should save your bandwidth to more patches.

Yinghai
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