Messages in this thread Patch in this message |  | | Date | Mon, 7 Aug 2017 10:06:59 -0700 | From | Tejun Heo <> | Subject | Re: [GIT PULL] workqueue fixes for v4.13-rc3 |
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Hello,
On Mon, Aug 07, 2017 at 02:18:51PM +0200, Geert Uytterhoeven wrote: > This triggers on m68k, which doesn't have SMP. > Haven't tried it yet on any other system due to holidays.
That's weird. Can you please apply the following patch and report the messages?
Thanks.
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index ca937b0..1b9d21b 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3579,8 +3579,10 @@ static bool wq_calc_node_cpumask(const struct workqueue_attrs *attrs, int node, cpumask_and(cpumask, attrs->cpumask, wq_numa_possible_cpumask[node]); if (cpumask_empty(cpumask)) { - pr_warn_once("WARNING: workqueue cpumask: online intersect > " - "possible intersect\n"); + pr_warn_once("WARNING: workqueue empty cpumask: node=%d cpu_going_down=%d cpumask=%*pb online=%*pb possible=%*pb\n", + node, cpu_going_down, cpumask_pr_args(attrs->cpumask), + cpumask_pr_args(cpumask_of_node(node)), + cpumask_pr_args(wq_numa_possible_cpumask[node])); return false; } @@ -5526,6 +5528,9 @@ static void __init wq_numa_init(void) wq_numa_possible_cpumask = tbl; wq_numa_enabled = true; + + for_each_node(node) + printk("XXX wq node[%d] %*pb\n", node, cpumask_pr_args(wq_numa_possible_cpumask[node])); } /**
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