On Thu, Apr 4, 2013 at 1:33 PM, Bjorn Helgaas <bhelg...@google.com> wrote: >> See my last email to Bjorn. Doing this in early-quirks in such a way that we >> can detect an iommu that has interrupt remapping enabled (so we don't just >> unilaterally print this quirk all the time) requires that we be able to parse >> acpi tables very early in the boot. If you know of how to do that, I can >> make >> this happen. If not, I suppose another alternative would be to have the >> early >> quirk set a flag that tells us this is a bogus chip, and if we try to enable >> irq >> remapping with that flag set, we should fail, and report the error at that >> time, >> but I'm not sure I like that solution. > > I like that solution :) It seems very simple -- you don't have to > parse any tables or anything.
You are right, we don't need to parse any acpi tables. just add one quirk in early-quirk.c to set disable_irq_remap = 1; Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
