Messages in this thread | | | Date | Mon, 25 Jan 2016 11:19:20 +0530 | From | Viresh Kumar <> | Subject | Re: [PATCH v6 1/5] cpufreq: powernv: Hot-plug safe the kworker thread |
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On 22-01-16, 12:49, Shilpasri G Bhat wrote: > In the kworker_thread powernv_cpufreq_work_fn(), we can end up > sending an IPI to a cpu going offline. This is a rare corner case > which is fixed using {get/put}_online_cpus(). Along with this fix, > this patch adds changes to do oneshot cpumask_{clear/and} operation. > > Suggested-by: Shreyas B Prabhu <shreyas@linux.vnet.ibm.com> > Suggested-by: Gautham R Shenoy <ego@linux.vnet.ibm.com> > Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> > Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com> > --- > Changes form v5: > - Fix the kbuild-error: > drivers/cpufreq/powernv-cpufreq.c:428:2: error: implicit declaration of > function 'get_online_cpus' [-Werror=implicit-function-declaration > > drivers/cpufreq/powernv-cpufreq.c | 19 +++++++++++-------- > 1 file changed, 11 insertions(+), 8 deletions(-)
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
-- viresh
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