On Thu, 2015-06-25 at 14:35 +0800, Li, ZhenHua wrote: > Hi David, > It is a bad idea to check the DMI match on "HP". Though I have not see > any similar problems on other systems, I believe there are. Also not > all HP systems have such problem.
Yeah, the HP suggestion was a little tongue-in-cheek. Although it does seem to be HP who is the main offender in this area — both the BIOS "value subtract" and the habit of doing utterly insane things with the IOMMU. > I agree with a blacklist for devices. Do you have a list of the problematic ones? I think a blacklist *and* an option to enable it for all devices might be the best solution. -- dwmw2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
