Re: mmotm 2013-02-19-17-20 uploaded

[Nathan Zimmer]

On 02/21/2013 12:27 PM, Stephen Boyd wrote:
> On 2/21/2013 10:18 AM, Nathan Zimmer wrote:
> > On Thu, Feb 21, 2013 at 01:25:29AM -0800, Stephen Boyd wrote:
> > > On 2/19/2013 5:21 PM, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
> > > > * timer_list-split-timer_list_show_tickdevices.patch
> > > > * timer_list-convert-timer-list-to-be-a-proper-seq_file.patch
> > > > * timer_list-convert-timer-list-to-be-a-proper-seq_file-fix.patch
> > > > * timer_list-convert-timer-list-to-be-a-proper-seq_file-v2.patch
> > > > * timer_list-convert-timer-list-to-be-a-proper-seq_file-v2-fix.patch
> > > > * timer_list-convert-timer-list-to-be-a-proper-seq_file-fix-fix.patch
> > > These commits seem to break the timer list on devices with maxcpus !=
> > > nr_cpu_ids, which is possible if you specify maxcpus on the kernel
> > > command line. I no longer see the percpu devices that I normally have
> > > after the broadcast device.
> > Interesting.
> > However I can't seem to boot at the moment with maxcpus set to less then the actual
> > number of cpus so I am not having much luck investigating right now.
> It works well on ARM processors. I believe it still works on x86 devices
> as well. I suppose you can simulate it by offlining a CPU and then
> reading the file.
Thanks I am seeing the failure now.
> This comment is useful around the cpumask functions.
>
>      Returns >= nr_cpu_ids if no further cpus set.
I had assumed it would be = nr_cpu_ids.
I will need to rethink the iterator.


Also I retested my other patches in the series, the ones for schedstat 
and sched_debug, and those worked fine.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/