tree 0741b5e53e5dddd298eb583b8c937d2fc5faa0e5
parent 138d1ce80ed96eff6638f454f0a1500a4aefd17b
author Al Viro <viro@zeniv.linux.org.uk> 1349964635 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1350257752 -0400

powerpc: don't mess with r2 in copy_thread() and friends

kernel_thread() callbacks are *not* in modules and are not going to
be there.  And it's not even read in ppc32 ret_from_kernel_thread(),
so no need to bother with it there either.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>