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Date: Mon, 02 Mar 2015 23:23:11 +0100
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Rusty Russell <rusty@...tcorp.com.au>
Cc: linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
Herbert Xu <herbert@...dor.apana.org.au>,
Jason Cooper <jason@...edaemon.net>,
Chris Metcalf <cmetcalf@...hip.com>, netdev@...r.kernel.org
Subject: Re: [PATCH 04/16] drivers: fix up obsolete cpu function usage.
On Monday, March 02, 2015 10:05:45 PM Rusty Russell wrote:
> Thanks to spatch, plus manual removal of "&*". Then a sweep for
> for_each_cpu_mask => for_each_cpu.
>
> Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: Jason Cooper <jason@...edaemon.net>
> Cc: Chris Metcalf <cmetcalf@...hip.com>
> Cc: netdev@...r.kernel.org
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
for the cpuidle part. Thanks!
> ---
> drivers/clocksource/dw_apb_timer.c | 3 ++-
> drivers/cpuidle/coupled.c | 6 +++---
> drivers/crypto/n2_core.c | 4 ++--
> drivers/irqchip/irq-gic-v3.c | 2 +-
> drivers/irqchip/irq-mips-gic.c | 6 +++---
> drivers/net/ethernet/tile/tilegx.c | 4 ++--
> 6 files changed, 13 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/clocksource/dw_apb_timer.c b/drivers/clocksource/dw_apb_timer.c
> index f3656a6b0382..35a88097af3c 100644
> --- a/drivers/clocksource/dw_apb_timer.c
> +++ b/drivers/clocksource/dw_apb_timer.c
> @@ -117,7 +117,8 @@ static void apbt_set_mode(enum clock_event_mode mode,
> unsigned long period;
> struct dw_apb_clock_event_device *dw_ced = ced_to_dw_apb_ced(evt);
>
> - pr_debug("%s CPU %d mode=%d\n", __func__, first_cpu(*evt->cpumask),
> + pr_debug("%s CPU %d mode=%d\n", __func__,
> + cpumask_first(evt->cpumask),
> mode);
>
> switch (mode) {
> diff --git a/drivers/cpuidle/coupled.c b/drivers/cpuidle/coupled.c
> index 73fe2f8d7f96..7936dce4b878 100644
> --- a/drivers/cpuidle/coupled.c
> +++ b/drivers/cpuidle/coupled.c
> @@ -292,7 +292,7 @@ static inline int cpuidle_coupled_get_state(struct cpuidle_device *dev,
> */
> smp_rmb();
>
> - for_each_cpu_mask(i, coupled->coupled_cpus)
> + for_each_cpu(i, &coupled->coupled_cpus)
> if (cpu_online(i) && coupled->requested_state[i] < state)
> state = coupled->requested_state[i];
>
> @@ -338,7 +338,7 @@ static void cpuidle_coupled_poke_others(int this_cpu,
> {
> int cpu;
>
> - for_each_cpu_mask(cpu, coupled->coupled_cpus)
> + for_each_cpu(cpu, &coupled->coupled_cpus)
> if (cpu != this_cpu && cpu_online(cpu))
> cpuidle_coupled_poke(cpu);
> }
> @@ -638,7 +638,7 @@ int cpuidle_coupled_register_device(struct cpuidle_device *dev)
> if (cpumask_empty(&dev->coupled_cpus))
> return 0;
>
> - for_each_cpu_mask(cpu, dev->coupled_cpus) {
> + for_each_cpu(cpu, &dev->coupled_cpus) {
> other_dev = per_cpu(cpuidle_devices, cpu);
> if (other_dev && other_dev->coupled) {
> coupled = other_dev->coupled;
> diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
> index afd136b45f49..10a9aeff1666 100644
> --- a/drivers/crypto/n2_core.c
> +++ b/drivers/crypto/n2_core.c
> @@ -1754,7 +1754,7 @@ static int spu_mdesc_walk_arcs(struct mdesc_handle *mdesc,
> dev->dev.of_node->full_name);
> return -EINVAL;
> }
> - cpu_set(*id, p->sharing);
> + cpumask_set_cpu(*id, &p->sharing);
> table[*id] = p;
> }
> return 0;
> @@ -1776,7 +1776,7 @@ static int handle_exec_unit(struct spu_mdesc_info *ip, struct list_head *list,
> return -ENOMEM;
> }
>
> - cpus_clear(p->sharing);
> + cpumask_clear(&p->sharing);
> spin_lock_init(&p->lock);
> p->q_type = q_type;
> INIT_LIST_HEAD(&p->jobs);
> diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
> index 1c6dea2fbc34..04b6f0732c1a 100644
> --- a/drivers/irqchip/irq-gic-v3.c
> +++ b/drivers/irqchip/irq-gic-v3.c
> @@ -512,7 +512,7 @@ static void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
> */
> smp_wmb();
>
> - for_each_cpu_mask(cpu, *mask) {
> + for_each_cpu(cpu, mask) {
> u64 cluster_id = cpu_logical_map(cpu) & ~0xffUL;
> u16 tlist;
>
> diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
> index 9acdc080e7ec..f26307908a2a 100644
> --- a/drivers/irqchip/irq-mips-gic.c
> +++ b/drivers/irqchip/irq-mips-gic.c
> @@ -345,19 +345,19 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
> int i;
>
> cpumask_and(&tmp, cpumask, cpu_online_mask);
> - if (cpus_empty(tmp))
> + if (cpumask_empty(&tmp))
> return -EINVAL;
>
> /* Assumption : cpumask refers to a single CPU */
> spin_lock_irqsave(&gic_lock, flags);
>
> /* Re-route this IRQ */
> - gic_map_to_vpe(irq, first_cpu(tmp));
> + gic_map_to_vpe(irq, cpumask_first(&tmp));
>
> /* Update the pcpu_masks */
> for (i = 0; i < NR_CPUS; i++)
> clear_bit(irq, pcpu_masks[i].pcpu_mask);
> - set_bit(irq, pcpu_masks[first_cpu(tmp)].pcpu_mask);
> + set_bit(irq, pcpu_masks[cpumask_first(&tmp)].pcpu_mask);
>
> cpumask_copy(d->affinity, cpumask);
> spin_unlock_irqrestore(&gic_lock, flags);
> diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
> index bea8cd2bb56c..deac41498c6e 100644
> --- a/drivers/net/ethernet/tile/tilegx.c
> +++ b/drivers/net/ethernet/tile/tilegx.c
> @@ -1122,7 +1122,7 @@ static int alloc_percpu_mpipe_resources(struct net_device *dev,
> addr + i * sizeof(struct tile_net_comps);
>
> /* If this is a network cpu, create an iqueue. */
> - if (cpu_isset(cpu, network_cpus_map)) {
> + if (cpumask_test_cpu(cpu, &network_cpus_map)) {
> order = get_order(NOTIF_RING_SIZE);
> page = homecache_alloc_pages(GFP_KERNEL, order, cpu);
> if (page == NULL) {
> @@ -1298,7 +1298,7 @@ static int tile_net_init_mpipe(struct net_device *dev)
> int first_ring, ring;
> int instance = mpipe_instance(dev);
> struct mpipe_data *md = &mpipe_data[instance];
> - int network_cpus_count = cpus_weight(network_cpus_map);
> + int network_cpus_count = cpumask_weight(&network_cpus_map);
>
> if (!hash_default) {
> netdev_err(dev, "Networking requires hash_default!\n");
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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