Re: [PATCH] LOCKDEP: minor fix for debug_show_all_locks()

From: Ingo Molnar
Date: Tue Oct 28 2008 - 04:29:45 EST



* sniper <s3c24xx@xxxxxxxxx> wrote:

> When we failed to get tasklist_lock eventually (count equals 0),
> we should only print " ignoring it.\n", and not print
> " locked it.\n" needlessly.

well spotted!

Minor nit:

> --- a/kernel/lockdep.c
> +++ b/kernel/lockdep.c
> @@ -3417,10 +3417,12 @@ retry:
> }
> printk(" ignoring it.\n");
> unlock = 0;
> + goto print_locks;
> }
> if (count != 10)
> printk(" locked it.\n");
>
> +print_locks:
> do_each_thread(g, p) {

please move the "if (count != 10)" line into the else section of the
trylock, instead of introducing a label and a goto.

Ingo
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