Messages in this thread Patch in this message |  | | | From | Prakash Punnoor <> | | Subject | Re: [PATCH] pci: don't enable too many HT MSI mapping | | Date | Fri, 6 Mar 2009 00:45:12 +0100 |
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On Donnerstag 05 März 2009 18:15:14 Matthew Wilcox wrote: > On Wed, Mar 04, 2009 at 08:15:37AM +0100, Prakash Punnoor wrote: > > 2.6.29-rc7 is released, but the last two patches here in the thread have > > not been picked up. Why? > > Oh, I meant to say ... we're at -rc7. What is the danger here of this > fixing your machine but breaking somebody else's?
There is a danger that less host bridges get HT MSI enabled by the quirk - which might need it after all.
> Is there something we > can minimally do that fixes your machine today and then put in a patch > for 30-rc1 that is likely to fix other machines?
Something like this would be minimal and works for me:
--- drivers/pci/quirks.c.old 2009-03-06 00:34:40.996532222 +0100 +++ drivers/pci/quirks.c 2009-03-06 00:37:06.915532269 +0100 @@ -2141,6 +2141,10 @@ int pos; int found;
+ /* Enabling HT MSI mapping on this device breaks MCP51 */ + if (dev->device == 0x270) + return; + /* check if there is HT MSI cap or enabled on this device */ found = ht_check_msi_mapping(dev);
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