On Tue, Apr 09, 2019 at 01:03:40PM +0200, Peter Zijlstra wrote: > On Wed, Feb 27, 2019 at 08:05:15AM -0800, Ricardo Neri wrote: > > diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h > > index 4d559e0c746f..15dc3b576496 100644 > > --- a/arch/x86/include/asm/hpet.h > > +++ b/arch/x86/include/asm/hpet.h > > @@ -123,12 +123,24 @@ struct hpet_hld_data { > > u32 num; > > u32 flags; > > u64 ticks_per_second; > > + u32 handling_cpu; > > + struct cpumask cpu_monitored_mask; > > + struct msi_msg msi_msg; > > }; > > Please don't use struct cpumask unless you absolutely have to. > > The above is better written as: > > > struct hpet_hld_data { > ... > unsigned long cpumask[0]; > }; > > and allocated using: > > struct hpet_hld_data *hhd = kzalloc(sizeof(struct hpet_hld_data) + > cpumask_size()); > > and used as: > > to_cpumask(hhd->cpumask);
Thanks for your feedback, Peter! Sure. I will make this change. Thanks and BR, Ricardo