Re: Areca RAID driver remaining items?

[Randy.Dunlap]

On Fri, 24 Feb 2006 12:38:30 -0700 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?
> 
> --- 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;

OK, updated patch for "pci=nomsi" is now at
  http://www.xenotime.net/linux/patches/pci_nomsi.patch

Thanks.
---
~Randy
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/