Re: [PATCH] cpufreq: integrator: Use set_cpus_allowed_ptr

From: Viresh Kumar
Date: Mon Aug 04 2014 - 03:22:13 EST


On 3 August 2014 15:45, Himangi Saraogi <himangi774@xxxxxxxxx> wrote:
> Several years ago there was an effort to convert all uses of
> set_cpus_allowed to use set_cpus_allowed_ptr with the goal of eventually
> removing the current definition of set_cpus_allowed and renaming
> set_cpus_allowed_ptr as set_cpus_allowed
> (https://lkml.org/lkml/2010/3/26/59). This is another step in this
> direction.
>
> The Coccinelle semantic patch that makes this change is as follows:
>
> // <smpl>
> @@
> expression E1,E2;
> @@
>
> - set_cpus_allowed(E1, cpumask_of_cpu(E2))
> + set_cpus_allowed_ptr(E1, cpumask_of(E2))
>
> @@
> expression E;
> identifier I;
> @@
>
> - set_cpus_allowed(E, I)
> + set_cpus_allowed_ptr(E, &I)
> // </smpl>
>
> Signed-off-by: Himangi Saraogi <himangi774@xxxxxxxxx>
> Acked-by: Julia Lawall <julia.lawall@xxxxxxx>
> ---
> drivers/cpufreq/integrator-cpufreq.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/cpufreq/integrator-cpufreq.c b/drivers/cpufreq/integrator-cpufreq.c
> index e5122f1..c132052 100644
> --- a/drivers/cpufreq/integrator-cpufreq.c
> +++ b/drivers/cpufreq/integrator-cpufreq.c
> @@ -92,7 +92,7 @@ static int integrator_set_target(struct cpufreq_policy *policy,
> * Bind to the specified CPU. When this call returns,
> * we should be running on the right CPU.
> */
> - set_cpus_allowed(current, cpumask_of_cpu(cpu));
> + set_cpus_allowed_ptr(current, cpumask_of(cpu));
> BUG_ON(cpu != smp_processor_id());
>
> /* get current setting */
> @@ -118,7 +118,7 @@ static int integrator_set_target(struct cpufreq_policy *policy,
> freqs.new = icst_hz(&cclk_params, vco) / 1000;
>
> if (freqs.old == freqs.new) {
> - set_cpus_allowed(current, cpus_allowed);
> + set_cpus_allowed_ptr(current, &cpus_allowed);
> return 0;
> }
>
> @@ -141,7 +141,7 @@ static int integrator_set_target(struct cpufreq_policy *policy,
> /*
> * Restore the CPUs allowed mask.
> */
> - set_cpus_allowed(current, cpus_allowed);
> + set_cpus_allowed_ptr(current, &cpus_allowed);
>
> cpufreq_freq_transition_end(policy, &freqs, 0);
>
> @@ -157,7 +157,7 @@ static unsigned int integrator_get(unsigned int cpu)
>
> cpus_allowed = current->cpus_allowed;
>
> - set_cpus_allowed(current, cpumask_of_cpu(cpu));
> + set_cpus_allowed_ptr(current, cpumask_of(cpu));
> BUG_ON(cpu != smp_processor_id());
>
> /* detect memory etc. */
> @@ -173,7 +173,7 @@ static unsigned int integrator_get(unsigned int cpu)
>
> current_freq = icst_hz(&cclk_params, vco) / 1000; /* current freq */
>
> - set_cpus_allowed(current, cpus_allowed);
> + set_cpus_allowed_ptr(current, &cpus_allowed);
>
> return current_freq;
> }

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
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