Messages in this thread | | | Date | Thu, 8 Nov 2007 14:50:42 +0100 | From | Martin Mares <> | Subject | Re: pci-disable-decode-of-io-memory-during-bar-sizing.patch |
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Hello!
> > Maybe we should do all bus scanning with conf1 and then try if > > MMCONFIG returns the same values? > > that is already in the code today but not nearly enough; there's a ton > of cases where it's "touch mmconfig and the box is dead"...
Argh. However I still do not think it is an acceptable reason for breaking all userspace access to the extended config space.
At the very least, there should be a sysfs toggle to enable MMCONFIG if root really wishes that (maybe for a particular device, as the drivers would do).
Have a nice fortnight -- Martin `MJ' Mares <mj@ucw.cz> http://mj.ucw.cz/ Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth Do not believe in miracles -- rely on them. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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