On Fri, Jun 17, 2011 at 09:40:17AM +0800, Huang Ying wrote: > On 06/17/2011 09:34 AM, Matthew Garrett wrote: > > If the kernel has been configured with support for the feature then I > > think we ought to be able to assume that the kernel will support it at > > runtime. > > There may be error during driver initialization. That is what I am > concerned. That's true of any _OSC functionality. > >> So I think we can do that in 2 steps. At first, we just enable WHEA > >> UUID, because that is easier to do. Then we find a way to implement > >> "APEI bit" in generic _OSC call. Do you think that is a good idea? > > > > I'm fine with that, providing that GHES isn't disabled purely because > > the WHEA UUID call wasn't successful. > > Because we have not added the code to make generic _OSC call with "APEI > bit" now, so if WHEA UUID call failed, we have no firmware first mode > enabled. So I think it is safe to disable GHES if WHEA UUID call > failed. But in another hand, keeping GHES has no harm too. So I am OK > to keep GHES if WHEA UUID call failed. I see your point. But this does need to be fixed in the long run. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html