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SubjectRe: [PATCH 1/2] microblaze: add stack unwinder
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On Wed, 2010-04-14 at 18:45 +0200, Michal Simek wrote:
> > diff -uprN a/arch/microblaze/kernel/traps.c
> b/arch/microblaze/kernel/traps.c
> > --- a/arch/microblaze/kernel/traps.c 2010-04-09 21:52:36.000000000
> > +++ b/arch/microblaze/kernel/traps.c 2010-04-12 22:16:01.000000000
[snip]
> >
> > - if (!stack)
> > - stack = (unsigned long *)&stack;
> > + if (fp == 0) {
> > + if (task)
> > + fp = ((struct thread_info *)
> > + (task->stack))->cpu_context.r1;
> > + else {
> > + /* Pick up caller of dump_stack() */
> > + fp = (__u32)&sp - 8;
> > + }
> > + }
>
> just coding style.
>
> if (fp == 0)
> if (task)
> fp = ((struct thread_info *)
> (task->stack))->cpu_context.r1;
> else
> /* Pick up caller of dump_stack() */
> fp = (__u32)&sp - 8;

Do you feel strongly about this? I try to always use braces on if/else
clauses that have more than one line. I've found that the extra
characters are well worth the savings in debugging time when someone
tries to extend the clause and forgets to add the braces.

Steve




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