From: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Date: Wed, 04 May 2016 10:37:40 +1000 > On Tue, 2016-05-03 at 15:52 -0700, Yinghai Lu wrote: >> BenH and DavidM, >> Are you ok to let /proc/bus/pci/devices to expose resource value >> instead of >> BAR value? >> powerpc already expose MMIO as resource value, but still keep IO as >> BAR value? >> >> Or can we just dump /proc/bus/pci support from now? > > The problem tends to be old Xserver expectations... > > That stuff has been a can of worms over the years and we did things in > the kernel to work around X limitations. I'm not that keen on touching > /proc at all in that regard. Leave it there do what it does today, it's > a user visible ABI, don't change it. I agree with Ben, whatever procfs is exporting in the past is what the Xserver and other things expect on sparc64 and therefore is a user facing ABI that can't be changed. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
