Re: [Patch v2 1/2] cpufreq: tegra194: save CPU data to avoid repeated SMP calls

From: Viresh Kumar
Date: Tue Oct 03 2023 - 01:00:29 EST


On 29-09-23, 19:47, Sumit Gupta wrote:
>
>
> On 28/09/23 12:35, Viresh Kumar wrote:
> > External email: Use caution opening links or attachments
> >
> >
> > On 01-09-23, 22:11, Sumit Gupta wrote:
> > > @@ -131,19 +132,10 @@ static int tegra234_get_cpu_ndiv(u32 cpu, u32 cpuid, u32 clusterid, u64 *ndiv)
> > > static void tegra234_set_cpu_ndiv(struct cpufreq_policy *policy, u64 ndiv)
> > > {
> >
> > > + for_each_cpu_and(cpu, policy->cpus, cpu_online_mask)
> >
> > (Yes this is existing code, but ..) you don't need to perform AND with
> > cpu_online_mask as policy->cpus should only contain currently online CPUs.
> >
> > Please check if you ever see it differently.
> >
>
> I think this was kept to be safe.
> Should I removed the AND in v3 or send separate patch?

Sending it separately would be ideal.

--
viresh