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 <[email protected]>
> Suggested-by: Gautham R Shenoy <[email protected]>
> Signed-off-by: Shilpasri G Bhat <[email protected]>
> Reviewed-by: Gautham R. Shenoy <[email protected]>
> ---
> 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 <[email protected]>
--
viresh
