Messages in this thread | | | Date | Wed, 05 Jun 2013 16:58:44 +0800 | From | Michael Wang <> | Subject | Re: [PATCH] cpufreq: prevent 'policy->cpus' become offline in __gov_queue_work() |
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Hi, Viresh
On 06/05/2013 04:53 PM, Viresh Kumar wrote: [snip] >> It was caused by the policy->cpus changed during the process of >> __gov_queue_work(), in other word, cpu offline happened. >> >> This patch will use get/put_online_cpus() to prevent the offline >> happen inside __gov_queue_work(), after applied the patch, the >> warning is gone as Jiri tested: >> >> Link: https://lkml.org/lkml/2013/6/5/88 >> >> CC: "Rafael J. Wysocki" <rjw@sisk.pl> >> CC: Viresh Kumar <viresh.kumar@linaro.org> >> Reported-by: Borislav Petkov <bp@alien8.de> >> Reported-by: Jiri Kosina <jkosina@suse.cz> >> Tested-by: Jiri Kosina <jkosina@suse.cz> >> Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com> >> --- >> drivers/cpufreq/cpufreq_governor.c | 3 +++ >> 1 files changed, 3 insertions(+), 0 deletions(-) > > Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Thanks for your ack :)
Regards, Michael Wang
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