On Thursday, August 29, 2013 09:50:22 AM Viresh Kumar wrote: > On 29 August 2013 02:54, Stephen Boyd <sboyd@xxxxxxxxxxxxxx> wrote: > > Workqueues are preemptible even if works are queued on them with > > queue_work_on(). Let's use raw_smp_processor_id() here to silence > > the warning. > > > > BUG: using smp_processor_id() in preemptible [00000000] code: kworker/3:2/674 > > caller is gov_queue_work+0x28/0xb0 > > CPU: 0 PID: 674 Comm: kworker/3:2 Tainted: G W 3.10.0 #30 > > Workqueue: events od_dbs_timer > > [<c010c178>] (unwind_backtrace+0x0/0x11c) from [<c0109dec>] (show_stack+0x10/0x14) > > [<c0109dec>] (show_stack+0x10/0x14) from [<c03885a4>] (debug_smp_processor_id+0xbc/0xf0) > > [<c03885a4>] (debug_smp_processor_id+0xbc/0xf0) from [<c0635864>] (gov_queue_work+0x28/0xb0) > > [<c0635864>] (gov_queue_work+0x28/0xb0) from [<c0635618>] (od_dbs_timer+0x108/0x134) > > [<c0635618>] (od_dbs_timer+0x108/0x134) from [<c01aa8f8>] (process_one_work+0x25c/0x444) > > [<c01aa8f8>] (process_one_work+0x25c/0x444) from [<c01aaf88>] (worker_thread+0x200/0x344) > > [<c01aaf88>] (worker_thread+0x200/0x344) from [<c01b03bc>] (kthread+0xa0/0xb0) > > [<c01b03bc>] (kthread+0xa0/0xb0) from [<c01061b8>] (ret_from_fork+0x14/0x3c) > > > > Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> > > --- > > drivers/cpufreq/cpufreq_governor.c | 9 ++++++++- > > 1 file changed, 8 insertions(+), 1 deletion(-) > > Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> Queued up for 3.12, thanks! -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
