Re: [PATCH -mm 6/6] cpu_relax(): ptrace.c coding style fix

[Andreas Mohr <andi@rhlx01.fht-esslingen.de>]

On Thu, Jun 22, 2006 at 09:32:23AM -0500, Nathan Lynch wrote:
> Andreas Mohr wrote:
> > 
> > Fix existing cpu_relax() loop to have proper kernel style.
> > 
> 
> ...
> 
> > @@ -182,9 +182,8 @@
> >  	if (!write_trylock(&tasklist_lock)) {
> >  		local_irq_enable();
> >  		task_unlock(task);
> > -		do {
> > +		while (!write_can_lock(&tasklist_lock))
> >  			cpu_relax();
> > -		} while (!write_can_lock(&tasklist_lock));
> 
> This is a change in behavior, not just style.  (And there is nothing
> wrong with the current style.)

Ick, right, this could cause the new state to be visible in the 2nd iteration
only.

Thanks! Discard this change please.

Andreas Mohr
-
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