On Feb 14, 2011, at 6:22 PM, David Daney wrote: > On 02/14/2011 04:15 PM, Matt Thomas wrote: >> >> I have to wonder if it's worth the effort. The primary problem I see >> is that this new ABI requires a 64bit kernel since faults through the >> upper 2G will go through the XTLB miss exception vector. >> > > Yes, that is correct. It is a 64-bit ABI, and like the existing n32 ABI > requires a 64-bit kernel.
N32 doesn't require a LP64 kernel, just a 64-bit register aware kernel. Your N32-big does require a LP64 kernel.
