MIPS: Netlogic: Move cores per node out of multi-node.h
Use the current_cpu_data package field to get the node of the current CPU.
This allows us to remove xlp_cores_per_node and move nlm_threads_per_node()
and nlm_cores_per_node() to netlogic/common.h, which simplifies code.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8889/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c
index 32f15ab..dc3e327 100644
--- a/arch/mips/netlogic/common/smp.c
+++ b/arch/mips/netlogic/common/smp.c
@@ -59,17 +59,17 @@
void nlm_send_ipi_single(int logical_cpu, unsigned int action)
{
- int cpu, node;
+ unsigned int hwtid;
uint64_t picbase;
- cpu = cpu_logical_map(logical_cpu);
- node = nlm_cpuid_to_node(cpu);
- picbase = nlm_get_node(node)->picbase;
+ /* node id is part of hwtid, and needed for send_ipi */
+ hwtid = cpu_logical_map(logical_cpu);
+ picbase = nlm_get_node(nlm_hwtid_to_node(hwtid))->picbase;
if (action & SMP_CALL_FUNCTION)
- nlm_pic_send_ipi(picbase, cpu, IRQ_IPI_SMP_FUNCTION, 0);
+ nlm_pic_send_ipi(picbase, hwtid, IRQ_IPI_SMP_FUNCTION, 0);
if (action & SMP_RESCHEDULE_YOURSELF)
- nlm_pic_send_ipi(picbase, cpu, IRQ_IPI_SMP_RESCHEDULE, 0);
+ nlm_pic_send_ipi(picbase, hwtid, IRQ_IPI_SMP_RESCHEDULE, 0);
}
void nlm_send_ipi_mask(const struct cpumask *mask, unsigned int action)
@@ -120,7 +120,7 @@
hwtid = hard_smp_processor_id();
current_cpu_data.core = hwtid / NLM_THREADS_PER_CORE;
- current_cpu_data.package = nlm_cpuid_to_node(hwtid);
+ current_cpu_data.package = nlm_nodeid();
nlm_percpu_init(hwtid);
nlm_smp_irq_init(hwtid);
}
@@ -146,16 +146,18 @@
void nlm_boot_secondary(int logical_cpu, struct task_struct *idle)
{
- int cpu, node;
+ uint64_t picbase;
+ int hwtid;
- cpu = cpu_logical_map(logical_cpu);
- node = nlm_cpuid_to_node(logical_cpu);
+ hwtid = cpu_logical_map(logical_cpu);
+ picbase = nlm_get_node(nlm_hwtid_to_node(hwtid))->picbase;
+
nlm_next_sp = (unsigned long)__KSTK_TOS(idle);
nlm_next_gp = (unsigned long)task_thread_info(idle);
/* barrier for sp/gp store above */
__sync();
- nlm_pic_send_ipi(nlm_get_node(node)->picbase, cpu, 1, 1); /* NMI */
+ nlm_pic_send_ipi(picbase, hwtid, 1, 1); /* NMI */
}
void __init nlm_smp_setup(void)
@@ -183,7 +185,7 @@
__cpu_number_map[i] = num_cpus;
__cpu_logical_map[num_cpus] = i;
set_cpu_possible(num_cpus, true);
- node = nlm_cpuid_to_node(i);
+ node = nlm_hwtid_to_node(i);
cpumask_set_cpu(num_cpus, &nlm_get_node(node)->cpumask);
++num_cpus;
}