On 5/29/2011 5:57 PM, Arnd Bergmann wrote: > On Sunday 29 May 2011 23:30:24 Jonas Bonn wrote: >>> * remove all __ARCH_WANT_* from asm/unistd.h and use the generic glibc >>> implementation. >> >> I tried this earlier but ran into issues with uClibc, which is the only >> libc port that we currently have. Is uClibc known to be compatible with >> the reduced set of syscalls? >> >> A good compromise here may be to submit the patch upstream with the >> reduced set of syscalls but to maintain a separate tree locally that >> reenables these for use with our current uClibc port until we can get it >> straightened out. It would be good to know, however, what's known to be >> working for others in this area... > > I don't think that there is a port today, but you can maybe Chris Metcalf, > Guan Xuetao or Linas Vepstas know more about this, as they have all > worked on the glibc support for the generic syscall interface. The arch/tile glibc port works with none of the "extra" syscalls. It has not yet been pushed back to the community (although we just got our FSF paperwork complete), but you can grab our version from http://www.tilera.com/scm/ . I tried to extract the asm-generic aspects into a sysdeps/unix/sysv/linux/generic/ hierarchy as distinct from the actual tile-specific code. We hacked up uclibc to handle our architecture, too, but then discontinued support for it, and the code was a pretty gnarly set of hacks on top of the old nptl branch (long since merged into the uclibc trunk). -- Chris Metcalf, Tilera Corp. http://www.tilera.com -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
