Commit a5e25883 authored by Steven Rostedt's avatar Steven Rostedt Committed by Ingo Molnar

ftrace: replace raw_local_irq_save with local_irq_save

Impact: fix for lockdep and ftrace

The raw_local_irq_save/restore confuses lockdep. This patch
converts them to the local_irq_save/restore variants.
Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent dfdc5437
......@@ -25,6 +25,7 @@
* Thanks to Arjan van de Ven for coming up with the initial idea of
* mapping lock dependencies runtime.
*/
#define DISABLE_BRANCH_PROFILING
#include <linux/mutex.h>
#include <linux/sched.h>
#include <linux/delay.h>
......
......@@ -1209,7 +1209,7 @@ void trace_graph_entry(struct ftrace_graph_ent *trace)
int cpu;
int pc;
raw_local_irq_save(flags);
local_irq_save(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
disabled = atomic_inc_return(&data->disabled);
......@@ -1218,7 +1218,7 @@ void trace_graph_entry(struct ftrace_graph_ent *trace)
__trace_graph_entry(tr, data, trace, flags, pc);
}
atomic_dec(&data->disabled);
raw_local_irq_restore(flags);
local_irq_restore(flags);
}
void trace_graph_return(struct ftrace_graph_ret *trace)
......@@ -1230,7 +1230,7 @@ void trace_graph_return(struct ftrace_graph_ret *trace)
int cpu;
int pc;
raw_local_irq_save(flags);
local_irq_save(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
disabled = atomic_inc_return(&data->disabled);
......@@ -1239,7 +1239,7 @@ void trace_graph_return(struct ftrace_graph_ret *trace)
__trace_graph_return(tr, data, trace, flags, pc);
}
atomic_dec(&data->disabled);
raw_local_irq_restore(flags);
local_irq_restore(flags);
}
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
......@@ -2645,7 +2645,7 @@ tracing_cpumask_write(struct file *filp, const char __user *ubuf,
if (err)
goto err_unlock;
raw_local_irq_disable();
local_irq_disable();
__raw_spin_lock(&ftrace_max_lock);
for_each_tracing_cpu(cpu) {
/*
......@@ -2662,7 +2662,7 @@ tracing_cpumask_write(struct file *filp, const char __user *ubuf,
}
}
__raw_spin_unlock(&ftrace_max_lock);
raw_local_irq_enable();
local_irq_enable();
tracing_cpumask = tracing_cpumask_new;
......
......@@ -42,7 +42,7 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
if (unlikely(!tr))
return;
raw_local_irq_save(flags);
local_irq_save(flags);
cpu = raw_smp_processor_id();
if (atomic_inc_return(&tr->data[cpu]->disabled) != 1)
goto out;
......@@ -74,7 +74,7 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect)
out:
atomic_dec(&tr->data[cpu]->disabled);
raw_local_irq_restore(flags);
local_irq_restore(flags);
}
static inline
......
......@@ -48,7 +48,7 @@ static inline void check_stack(void)
if (!object_is_on_stack(&this_size))
return;
raw_local_irq_save(flags);
local_irq_save(flags);
__raw_spin_lock(&max_stack_lock);
/* a race could have already updated it */
......@@ -96,7 +96,7 @@ static inline void check_stack(void)
out:
__raw_spin_unlock(&max_stack_lock);
raw_local_irq_restore(flags);
local_irq_restore(flags);
}
static void
......@@ -162,11 +162,11 @@ stack_max_size_write(struct file *filp, const char __user *ubuf,
if (ret < 0)
return ret;
raw_local_irq_save(flags);
local_irq_save(flags);
__raw_spin_lock(&max_stack_lock);
*ptr = val;
__raw_spin_unlock(&max_stack_lock);
raw_local_irq_restore(flags);
local_irq_restore(flags);
return count;
}
......
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