[PATCH v6 1/5] cpufreq: powernv: Hot-plug safe the kworker thread

[Viresh Kumar]

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 at linux.vnet.ibm.com>
> Suggested-by: Gautham R Shenoy <ego at linux.vnet.ibm.com>
> Signed-off-by: Shilpasri G Bhat <shilpa.bhat at linux.vnet.ibm.com>
> Reviewed-by: Gautham R. Shenoy <ego at 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 at linaro.org>

-- 
viresh