[PATCH 08/19] nptl: arm: Fix Race conditions in pthread cancellation (BZ#12683)

[Phil Blundell]

On Mon, 2017-12-11 at 21:29 +0100, Andreas Schwab wrote:
> On Dez 11 2017, Phil Blundell <pb@pbcl.net> wrote:
> 
> > On Mon, 2017-12-11 at 17:06 -0200, Adhemerval Zanella wrote:
> > > +1:
> > > +	mov	lr, pc
> > > +	b	__syscall_do_cancel
> > > +Â Â Â Â Â Â Â .fnend
> > > +END (__syscall_cancel_arch)
> > 
> > I'm not sure I quite understand what's going on here.  Where is
> > __syscall_do_cancel() supposed to be returning to?
> 
> It never returns.

Right, that's sort of what I thought.  So why set up lr here?

p.