Re: [Announce] 2.6.29.3-rt12

Thomas Gleixner
2009-05-13T10:20:07Z

On Wed, 13 May 2009, Hugo Vincent wrote:
> This patch resulted in a broken build for me, until I did this:
>
> --- a/patch-2.6.29.3-rt12
> +++ b/patch-2.6.29.3-rt12
> @@ -121754,7 +121754,7 @@ Index: linux-2.6-tip/kernel/sched.c
> }
>
> /*
> -@@ -2801,6 +3177,15 @@ static void update_cpu_load(struct rq *t
> +@@ -2801,6 +3177,17 @@ static void update_cpu_load(struct rq *t
> new_load += scale-1;
> this_rq->cpu_load[i] = (old_load*(scale-1) + new_load) >> i;
> }
> @@ -121765,8 +121765,10 @@ Index: linux-2.6-tip/kernel/sched.c
> + this_rq->calc_load_update += LOAD_FREQ;
> + calc_load_account_active(this_rq);
> +
> ++#ifdef CONFIG_SMP
> + if (this_rq->cpu == calc_load_cpu)
> + calc_global_load();
> ++#endif
> }

Darn. the patch is halfways right. the #ifdef needs to be only around
the if() line. Otherwise your /proc/loadavg values will never be
updated. I'll push out -rt13 with the proper fix..

Thanks,

tglx