Messages in this thread | | | From | Bjorn Helgaas <> | Date | Mon, 28 Jan 2013 14:52:05 -0700 | Subject | Re: [RFC PATCH v5 4/8] ACPI, PCI: avoid building pci_slot as module |
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On Mon, Jan 28, 2013 at 2:29 PM, Yinghai Lu <yinghai@kernel.org> wrote: > On Mon, Jan 28, 2013 at 1:09 PM, Bjorn Helgaas <bhelgaas@google.com> wrote: >> On Sun, Jan 20, 2013 at 5:01 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote: >>> On Saturday, January 19, 2013 12:07:42 AM Jiang Liu wrote: >>>> As discussed in thread at https://patchwork.kernel.org/patch/1946851/, >>>> there's no value in supporting CONFIG_ACPI_PCI_SLOT=m any more. >>>> So change Kconfig and code to only support building pci_slot as >>>> built-in driver. >>>> >>>> Signed-off-by: Jiang Liu <jiang.liu@huawei.com> >>> >>> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> >> >> Acked-by: Bjorn Helgaas <bhelgaas@google.com> >> >> I think we should eventually get rid of acpi_pci_register_driver() and >> do this initialization directly from acpi_pci_root_add(). But >> removing the module option here is a good first step. >> >> Rafael, do you want to apply this (and [6/8]) via your tree? If not, >> I can take it. > > If bios have messed up slot name or idx, we will get strange 1-1.... > other crazy name. > > if you really need to put it as built-in, may need to some command > line that user could switch it off.
It would save us all a lot of time if you gave an example and worked through the scenario where this is a problem.
We already have the choice of having pci_slot built-in, so if there's a bug in that config, we already have the bug. This patch merely removes a config where the bug might be covered up.
I don't know why "adding a command line switch" appeals to you as the solution to every problem. As far as I'm concerned that's not a solution to ANY problem. It might be a band-aid to enable users to limp along while we figure out a correct solution, but it's certainly not a resolution.
Bjorn
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