On Sun, Feb 13, 2011 at 12:10 PM, Arnd Bergmann <a...@arndb.de> wrote: > On Saturday 12 February 2011 20:41:01 H.J. Lu wrote: >> Hi, >> >> We made lots of progresses on x32 pABI: >> >> https://sites.google.com/site/x32abi/ >> >> 1. Kernel interface with syscall is close to be finalized. > > Really? I haven't seen this being posted for review yet ;-) > > The basic concept looks entirely reasonable to me, but I'm > curious what drove the decision to start out with the x86_64 > system calls instead of the generic ones. > > Since tile was merged, we now have support for compat syscalls > in the generic syscall ABI. I would have assumed that it > was possible to just use those if you decide to do a new > ABI in the first place. > > The other option that would have appeared natural to me is > to just use the existing 32 bit compat ABI with the few > necessary changes done based on the personality. >
If you are interested, please check out the x32 kernel to take a look and provide feedback. Thanks. -- H.J.