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-rw-r--r--kernel/cpu.c6
-rw-r--r--kernel/irq/irqdomain.c13
-rw-r--r--kernel/trace/trace.c13
3 files changed, 21 insertions, 11 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 6ff2578ecf17..2b8d7a5db383 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -815,6 +815,10 @@ void __init cpuhp_threads_init(void)
}
#ifdef CONFIG_HOTPLUG_CPU
+#ifndef arch_clear_mm_cpumask_cpu
+#define arch_clear_mm_cpumask_cpu(cpu, mm) cpumask_clear_cpu(cpu, mm_cpumask(mm))
+#endif
+
/**
* clear_tasks_mm_cpumask - Safely clear tasks' mm_cpumask for a CPU
* @cpu: a CPU id
@@ -850,7 +854,7 @@ void clear_tasks_mm_cpumask(int cpu)
t = find_lock_task_mm(p);
if (!t)
continue;
- cpumask_clear_cpu(cpu, mm_cpumask(t->mm));
+ arch_clear_mm_cpumask_cpu(cpu, t->mm);
task_unlock(t);
}
rcu_read_unlock();
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index cf8b374b892d..e4ca69608f3b 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -624,17 +624,19 @@ unsigned int irq_create_direct_mapping(struct irq_domain *domain)
EXPORT_SYMBOL_GPL(irq_create_direct_mapping);
/**
- * irq_create_mapping() - Map a hardware interrupt into linux irq space
+ * irq_create_mapping_affinity() - Map a hardware interrupt into linux irq space
* @domain: domain owning this hardware interrupt or NULL for default domain
* @hwirq: hardware irq number in that domain space
+ * @affinity: irq affinity
*
* Only one mapping per hardware interrupt is permitted. Returns a linux
* irq number.
* If the sense/trigger is to be specified, set_irq_type() should be called
* on the number returned from that call.
*/
-unsigned int irq_create_mapping(struct irq_domain *domain,
- irq_hw_number_t hwirq)
+unsigned int irq_create_mapping_affinity(struct irq_domain *domain,
+ irq_hw_number_t hwirq,
+ const struct irq_affinity_desc *affinity)
{
struct device_node *of_node;
int virq;
@@ -660,7 +662,8 @@ unsigned int irq_create_mapping(struct irq_domain *domain,
}
/* Allocate a virtual interrupt number */
- virq = irq_domain_alloc_descs(-1, 1, hwirq, of_node_to_nid(of_node), NULL);
+ virq = irq_domain_alloc_descs(-1, 1, hwirq, of_node_to_nid(of_node),
+ affinity);
if (virq <= 0) {
pr_debug("-> virq allocation failed\n");
return 0;
@@ -676,7 +679,7 @@ unsigned int irq_create_mapping(struct irq_domain *domain,
return virq;
}
-EXPORT_SYMBOL_GPL(irq_create_mapping);
+EXPORT_SYMBOL_GPL(irq_create_mapping_affinity);
/**
* irq_create_strict_mappings() - Map a range of hw irqs to fixed linux irqs
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 7d53c5bdea3e..06134189e9a7 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -163,7 +163,8 @@ static union trace_eval_map_item *trace_eval_maps;
#endif /* CONFIG_TRACE_EVAL_MAP_FILE */
int tracing_set_tracer(struct trace_array *tr, const char *buf);
-static void ftrace_trace_userstack(struct trace_buffer *buffer,
+static void ftrace_trace_userstack(struct trace_array *tr,
+ struct trace_buffer *buffer,
unsigned long flags, int pc);
#define MAX_TRACER_SIZE 100
@@ -2870,7 +2871,7 @@ void trace_buffer_unlock_commit_regs(struct trace_array *tr,
* two. They are not that meaningful.
*/
ftrace_trace_stack(tr, buffer, flags, regs ? 0 : STACK_SKIP, pc, regs);
- ftrace_trace_userstack(buffer, flags, pc);
+ ftrace_trace_userstack(tr, buffer, flags, pc);
}
/*
@@ -3056,13 +3057,14 @@ EXPORT_SYMBOL_GPL(trace_dump_stack);
static DEFINE_PER_CPU(int, user_stack_count);
static void
-ftrace_trace_userstack(struct trace_buffer *buffer, unsigned long flags, int pc)
+ftrace_trace_userstack(struct trace_array *tr,
+ struct trace_buffer *buffer, unsigned long flags, int pc)
{
struct trace_event_call *call = &event_user_stack;
struct ring_buffer_event *event;
struct userstack_entry *entry;
- if (!(global_trace.trace_flags & TRACE_ITER_USERSTACKTRACE))
+ if (!(tr->trace_flags & TRACE_ITER_USERSTACKTRACE))
return;
/*
@@ -3101,7 +3103,8 @@ ftrace_trace_userstack(struct trace_buffer *buffer, unsigned long flags, int pc)
preempt_enable();
}
#else /* CONFIG_USER_STACKTRACE_SUPPORT */
-static void ftrace_trace_userstack(struct trace_buffer *buffer,
+static void ftrace_trace_userstack(struct trace_array *tr,
+ struct trace_buffer *buffer,
unsigned long flags, int pc)
{
}