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;
}
-
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