Re: [RFC] Whitelist chipsets supporting MSI and checkHyper-transport capabilities

From: Xavier Bestel
Date: Mon Jun 19 2006 - 07:19:44 EST


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.

Xav

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