On Mon, 2017-03-27 at 21:17 +1100, Michael Ellerman wrote: > > If so, is it acceptable to force that kernel to user 64K alignment > > even > > when it's running on non-PowerNV systems? > > Probably, but I'm not sure TBH. Benh will know, I'll try and get his > attention.
Can we make the alignment PAGE_SIZE ? I think that should be ok as long as it doesn't try to re-allocate BARs for devices that have already been properly allocated by firmware (ie, PowerMac, if you mess around with the MacIO chip on these, bad things will happen). Cheers, Ben.
