On Fri, 24 Feb 2006, Matthew Wilcox wrote:
> On Fri, Feb 24, 2006 at 09:03:47AM -0800, Randy.Dunlap wrote:
> > On Fri, 24 Feb 2006, Christoph Hellwig wrote:
> > > Please avoid that unless really nessecary. I doubt there's boards where
> > > MSI would only be broken with the areca card but not with other MSI-capable
> > > ones. If a board or chipset is generally broken vs MSI it should be
> > > added to the global MSI blacklist. It's probably be nice to have a global
> > > nomsi boot option instead of one in every driver aswell..
> >
> > http://www.xenotime.net/linux/patches/pci_nomsi.patch adds a
> > global boot option to disable MSI interrupt assignments.
>
> I like it. How about adding pci=nomsi instead of pci_nomsi?
Yes, that's probably better. Thanks for the change.
> --- drivers/pci/pci.c 4 Feb 2006 04:51:55 -0000 1.28
> +++ drivers/pci/pci.c 24 Feb 2006 19:33:25 -0000
> @@ -900,8 +900,12 @@ static int __devinit pci_setup(char *str
> if (k)
> *k++ = 0;
> if (*str && (str = pcibios_setup(str)) && *str) {
> - /* PCI layer options should be handled here */
> - printk(KERN_ERR "PCI: Unknown option `%s'\n", str);
> + if (!strcmp(str, "nomsi")) {
> + pci_msi_enable = 0;
> + } else {
> + printk(KERN_ERR "PCI: Unknown option `%s'\n",
> + str);
> + }
> }
> str = k;
> }
>
>
--
~Randy
-
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