From: Ionela Voinescu <ionela.voinescu@arm.com> To: rjw@rjwysocki.net, viresh.kumar@linaro.org, dietmar.eggemann@arm.com, catalin.marinas@arm.com, sudeep.holla@arm.com, will@kernel.org, valentin.schneider@arm.com Cc: linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ionela.voinescu@arm.com Subject: [PATCH v5 4/5] arch_topology, cpufreq: constify arch_* cpumasks Date: Tue, 1 Sep 2020 21:55:48 +0100 [thread overview] Message-ID: <20200901205549.30096-5-ionela.voinescu@arm.com> (raw) In-Reply-To: <20200901205549.30096-1-ionela.voinescu@arm.com> From: Valentin Schneider <valentin.schneider@arm.com> The passed cpumask arguments to arch_set_freq_scale() and arch_freq_counters_available() are only iterated over, so reflect this in the prototype. This also allows to pass system cpumasks like cpu_online_mask without getting a warning. Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Viresh Kumar <viresh.kumar@linaro.org> --- arch/arm64/kernel/topology.c | 2 +- drivers/base/arch_topology.c | 4 ++-- drivers/cpufreq/cpufreq.c | 5 +++-- include/linux/arch_topology.h | 2 +- include/linux/cpufreq.h | 3 ++- 5 files changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index 0801a0f3c156..9a9f2b8dedf5 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -253,7 +253,7 @@ static int __init init_amu_fie(void) } late_initcall_sync(init_amu_fie); -bool arch_freq_counters_available(struct cpumask *cpus) +bool arch_freq_counters_available(const struct cpumask *cpus) { return amu_freq_invariant() && cpumask_subset(cpus, amu_fie_cpus); diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 42a08ef693ae..91de5331ac8a 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -21,13 +21,13 @@ #include <linux/sched.h> #include <linux/smp.h> -__weak bool arch_freq_counters_available(struct cpumask *cpus) +__weak bool arch_freq_counters_available(const struct cpumask *cpus) { return false; } DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; -void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, +void arch_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq, unsigned long max_freq) { unsigned long scale; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 570bf2ebe9d4..2ea245a6c0c0 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -160,8 +160,9 @@ u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy) } EXPORT_SYMBOL_GPL(get_cpu_idle_time); -__weak void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, - unsigned long max_freq) +__weak void arch_set_freq_scale(const struct cpumask *cpus, + unsigned long cur_freq, + unsigned long max_freq) { } EXPORT_SYMBOL_GPL(arch_set_freq_scale); diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h index 69b1dabe39dc..810c83336257 100644 --- a/include/linux/arch_topology.h +++ b/include/linux/arch_topology.h @@ -30,7 +30,7 @@ static inline unsigned long topology_get_freq_scale(int cpu) return per_cpu(freq_scale, cpu); } -bool arch_freq_counters_available(struct cpumask *cpus); +bool arch_freq_counters_available(const struct cpumask *cpus); DECLARE_PER_CPU(unsigned long, thermal_pressure); diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index e54767e2a68a..9f779fbdbe7b 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -1011,7 +1011,8 @@ static inline void sched_cpufreq_governor_change(struct cpufreq_policy *policy, extern void arch_freq_prepare_all(void); extern unsigned int arch_freq_get_on_cpu(int cpu); -extern void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, +extern void arch_set_freq_scale(const struct cpumask *cpus, + unsigned long cur_freq, unsigned long max_freq); /* the following are really really optional */ -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Ionela Voinescu <ionela.voinescu@arm.com> To: rjw@rjwysocki.net, viresh.kumar@linaro.org, dietmar.eggemann@arm.com, catalin.marinas@arm.com, sudeep.holla@arm.com, will@kernel.org, valentin.schneider@arm.com Cc: ionela.voinescu@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH v5 4/5] arch_topology, cpufreq: constify arch_* cpumasks Date: Tue, 1 Sep 2020 21:55:48 +0100 [thread overview] Message-ID: <20200901205549.30096-5-ionela.voinescu@arm.com> (raw) In-Reply-To: <20200901205549.30096-1-ionela.voinescu@arm.com> From: Valentin Schneider <valentin.schneider@arm.com> The passed cpumask arguments to arch_set_freq_scale() and arch_freq_counters_available() are only iterated over, so reflect this in the prototype. This also allows to pass system cpumasks like cpu_online_mask without getting a warning. Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Viresh Kumar <viresh.kumar@linaro.org> --- arch/arm64/kernel/topology.c | 2 +- drivers/base/arch_topology.c | 4 ++-- drivers/cpufreq/cpufreq.c | 5 +++-- include/linux/arch_topology.h | 2 +- include/linux/cpufreq.h | 3 ++- 5 files changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index 0801a0f3c156..9a9f2b8dedf5 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -253,7 +253,7 @@ static int __init init_amu_fie(void) } late_initcall_sync(init_amu_fie); -bool arch_freq_counters_available(struct cpumask *cpus) +bool arch_freq_counters_available(const struct cpumask *cpus) { return amu_freq_invariant() && cpumask_subset(cpus, amu_fie_cpus); diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 42a08ef693ae..91de5331ac8a 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -21,13 +21,13 @@ #include <linux/sched.h> #include <linux/smp.h> -__weak bool arch_freq_counters_available(struct cpumask *cpus) +__weak bool arch_freq_counters_available(const struct cpumask *cpus) { return false; } DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; -void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, +void arch_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq, unsigned long max_freq) { unsigned long scale; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 570bf2ebe9d4..2ea245a6c0c0 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -160,8 +160,9 @@ u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy) } EXPORT_SYMBOL_GPL(get_cpu_idle_time); -__weak void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, - unsigned long max_freq) +__weak void arch_set_freq_scale(const struct cpumask *cpus, + unsigned long cur_freq, + unsigned long max_freq) { } EXPORT_SYMBOL_GPL(arch_set_freq_scale); diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h index 69b1dabe39dc..810c83336257 100644 --- a/include/linux/arch_topology.h +++ b/include/linux/arch_topology.h @@ -30,7 +30,7 @@ static inline unsigned long topology_get_freq_scale(int cpu) return per_cpu(freq_scale, cpu); } -bool arch_freq_counters_available(struct cpumask *cpus); +bool arch_freq_counters_available(const struct cpumask *cpus); DECLARE_PER_CPU(unsigned long, thermal_pressure); diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index e54767e2a68a..9f779fbdbe7b 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -1011,7 +1011,8 @@ static inline void sched_cpufreq_governor_change(struct cpufreq_policy *policy, extern void arch_freq_prepare_all(void); extern unsigned int arch_freq_get_on_cpu(int cpu); -extern void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, +extern void arch_set_freq_scale(const struct cpumask *cpus, + unsigned long cur_freq, unsigned long max_freq); /* the following are really really optional */ -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-09-01 20:57 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-01 20:55 [PATCH v5 0/5] cpufreq: improve frequency invariance support Ionela Voinescu 2020-09-01 20:55 ` Ionela Voinescu 2020-09-01 20:55 ` [PATCH v5 1/5] arch_topology: validate input frequencies to arch_set_freq_scale() Ionela Voinescu 2020-09-01 20:55 ` Ionela Voinescu 2020-09-02 13:32 ` Sudeep Holla 2020-09-02 13:32 ` Sudeep Holla 2020-09-01 20:55 ` [PATCH v5 2/5] cpufreq: move invariance setter calls in cpufreq core Ionela Voinescu 2020-09-01 20:55 ` Ionela Voinescu 2020-09-02 13:30 ` Sudeep Holla 2020-09-02 13:30 ` Sudeep Holla 2020-09-01 20:55 ` [PATCH v5 3/5] cpufreq: report whether cpufreq supports Frequency Invariance (FI) Ionela Voinescu 2020-09-01 20:55 ` Ionela Voinescu 2020-09-02 13:28 ` Sudeep Holla 2020-09-02 13:28 ` Sudeep Holla 2020-09-03 13:45 ` Ionela Voinescu 2020-09-03 13:45 ` Ionela Voinescu 2020-09-03 14:19 ` Sudeep Holla 2020-09-03 14:19 ` Sudeep Holla 2020-09-01 20:55 ` Ionela Voinescu [this message] 2020-09-01 20:55 ` [PATCH v5 4/5] arch_topology, cpufreq: constify arch_* cpumasks Ionela Voinescu 2020-09-02 13:25 ` Sudeep Holla 2020-09-02 13:25 ` Sudeep Holla 2020-09-01 20:55 ` [PATCH v5 5/5] arch_topology, arm, arm64: define arch_scale_freq_invariant() Ionela Voinescu 2020-09-01 20:55 ` Ionela Voinescu 2020-09-02 13:24 ` Sudeep Holla 2020-09-02 13:24 ` Sudeep Holla 2020-09-03 13:32 ` [PATCH v5 0/5] cpufreq: improve frequency invariance support Ionela Voinescu 2020-09-03 13:32 ` Ionela Voinescu 2020-09-04 4:38 ` Viresh Kumar 2020-09-04 4:38 ` Viresh Kumar 2020-09-18 17:12 ` Rafael J. Wysocki 2020-09-18 17:12 ` Rafael J. Wysocki
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