Messages in this thread | | | Subject | Re: [PATCH] thermal/intel_powerclamp: fix __percpu declaration of worker_data | From | Zhang Rui <> | Date | Wed, 30 Jan 2019 21:37:56 +0800 |
| |
On 三, 2019-01-30 at 10:59 +0100, Petr Mladek wrote: > On Sat 2019-01-19 17:15:23, Luc Van Oostenryck wrote: > > > > This variable is declared as: > > static struct powerclamp_worker_data * __percpu worker_data; > > In other words, a percpu pointer to struct ... > > > > But this variable not used like so but as a pointer to a percpu > > struct powerclamp_worker_data. > > > > So fix the declaration as: > > static struct powerclamp_worker_data __percpu *worker_data; > > > > This also quiets Sparse's warnings from __verify_pcpu_ptr(), like: > > 494:49: warning: incorrect type in initializer (different address > > spaces) > > 494:49: expected void const [noderef] <asn:3> *__vpp_verify > > 494:49: got struct powerclamp_worker_data * > > > > Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> > > --- > > drivers/thermal/intel/intel_powerclamp.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/thermal/intel/intel_powerclamp.c > > b/drivers/thermal/intel/intel_powerclamp.c > > index 7571f7c2e..c7cba20bd 100644 > > --- a/drivers/thermal/intel/intel_powerclamp.c > > +++ b/drivers/thermal/intel/intel_powerclamp.c > > @@ -101,7 +101,7 @@ struct powerclamp_worker_data { > > bool clamping; > > }; > > > > -static struct powerclamp_worker_data * __percpu worker_data; > > +static struct powerclamp_worker_data __percpu * worker_data; > Makes perfect sense. I wonder why I wrote it in the wrong order. > > Reviewed-by: Petr Mladek <pmladek@suse.com> > applied and queued for next -rc.
thanks, rui
> Best Regards, > Petr
| |