On Wed, Mar 17, 2021 at 11:12:42AM -0700, Andy Lutomirski wrote: > ret_from_fork is written in asm, slightly differently, for x86_32 and > x86_64. Convert it to C. > > This is a straight conversion without any particular cleverness. As a > further cleanup, the code that sets up the ret_from_fork argument registers > could be adjusted to put the arguments in the correct registers. > > This will cause the ORC unwinder to find pt_regs even for kernel threads on > x86_64. This seems harmless. > > The 32-bit comment above the now-deleted schedule_tail_wrapper was > obsolete: the encode_frame_pointer mechanism (see copy_thread()) solves the > same problem more cleanly. > > Cc: Josh Poimboeuf <jpoim...@redhat.com> > Signed-off-by: Andy Lutomirski <l...@kernel.org>
Acked-by: Josh Poimboeuf <jpoim...@redhat.com> -- Josh
