Messages in this thread | | | Date | Mon, 19 Jun 2006 09:27:06 -0600 | From | Grant Grundler <> | Subject | Re: [RFC] Whitelist chipsets supporting MSI and check Hyper-transport capabilities |
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On Mon, Jun 19, 2006 at 01:19:55PM +0200, Xavier Bestel wrote: > On Sat, 2006-06-17 at 07:05, Matthew Wilcox wrote: > > On Fri, Jun 16, 2006 at 11:01:46PM -0400, Brice Goglin wrote: > > > We introduce whitelisting of chipsets that are known to support MSI and > > > keep the existing backlisting to disable MSI for other chipsets. When it > > > is unknown whether the root chipset support MSI or not, we disable MSI > > > by default except if pci=forcemsi was passed. > > > > I think that's a bad idea. Blacklisting is the better idea in the long-term. > > I think the option adopted elsewhere is: whitelist for old chipsets, and > blacklist for new chipsets. You just have to decide for a good date to > separate "old" and "new" to minimize the lists size.
I agree with willy.
White lists work "well" only if one's goal is to reduce the number of bug reports about _all_ HW. Most folks with _working_ MSI (but not already on the whitelist) won't know they could report this as a bug. Ie these chipsets likely won't ever get added to the whitelist.
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