Messages in this thread Patch in this message | | | Date | Mon, 14 Jun 2010 17:09:41 +0300 | From | Sergey Senozhatsky <> | Subject | Re: BUG: using smp_processor_id() in preemptible code: s2disk |
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Hello, Not sure if this simple solution is the correct one.
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diff --git a/kernel/sched.c b/kernel/sched.c index f8b8996..cfb262b 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2866,7 +2866,10 @@ unsigned long nr_iowait(void) unsigned long nr_iowait_cpu(void) { - struct rq *this = this_rq(); + int cpu = get_cpu(); + struct rq *this = cpu_rq(cpu); + put_cpu(); + return atomic_read(&this->nr_iowait); }
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