| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20100409.160143.201915197.davem@davemloft.net>
Date: Fri, 09 Apr 2010 16:01:43 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: peterz@...radead.org
CC: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
sparclinux@...r.kernel.org
Subject: [PATCH 4/4] tracing: Use local_irq_{save,restore}_nmi() in tracers.
Signed-off-by: David S. Miller <davem@...emloft.net>
---
kernel/trace/ftrace.c | 8 ++++----
kernel/trace/trace_functions.c | 8 ++++----
kernel/trace/trace_functions_graph.c | 8 ++++----
kernel/trace/trace_sched_wakeup.c | 4 ++--
kernel/trace/trace_stack.c | 4 ++--
5 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 2404b59..6be1e33 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -613,7 +613,7 @@ function_profile_call(unsigned long ip, unsigned long parent_ip)
if (!ftrace_profile_enabled)
return;
- local_irq_save(flags);
+ local_irq_save_nmi(flags);
stat = &__get_cpu_var(ftrace_profile_stats);
if (!stat->hash || !ftrace_profile_enabled)
@@ -628,7 +628,7 @@ function_profile_call(unsigned long ip, unsigned long parent_ip)
rec->counter++;
out:
- local_irq_restore(flags);
+ local_irq_restore_nmi(flags);
}
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
@@ -645,7 +645,7 @@ static void profile_graph_return(struct ftrace_graph_ret *trace)
struct ftrace_profile *rec;
unsigned long flags;
- local_irq_save(flags);
+ local_irq_save_nmi(flags);
stat = &__get_cpu_var(ftrace_profile_stats);
if (!stat->hash || !ftrace_profile_enabled)
goto out;
@@ -672,7 +672,7 @@ static void profile_graph_return(struct ftrace_graph_ret *trace)
rec->time += calltime;
out:
- local_irq_restore(flags);
+ local_irq_restore_nmi(flags);
}
static int register_ftrace_profiler(void)
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index b3f3776..cac3f8d 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -91,7 +91,7 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)
* Need to use raw, since this must be called before the
* recursive protection is performed.
*/
- local_irq_save(flags);
+ local_irq_save_nmi(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
disabled = atomic_inc_return(&data->disabled);
@@ -102,7 +102,7 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)
}
atomic_dec(&data->disabled);
- local_irq_restore(flags);
+ local_irq_restore_nmi(flags);
}
static void
@@ -122,7 +122,7 @@ function_stack_trace_call(unsigned long ip, unsigned long parent_ip)
* Need to use raw, since this must be called before the
* recursive protection is performed.
*/
- local_irq_save(flags);
+ local_irq_save_nmi(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
disabled = atomic_inc_return(&data->disabled);
@@ -142,7 +142,7 @@ function_stack_trace_call(unsigned long ip, unsigned long parent_ip)
}
atomic_dec(&data->disabled);
- local_irq_restore(flags);
+ local_irq_restore_nmi(flags);
}
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 9aed1a5..84f92ef 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -221,7 +221,7 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
if (!(trace->depth || ftrace_graph_addr(trace->func)))
return 0;
- local_irq_save(flags);
+ local_irq_save_nmi(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
disabled = atomic_inc_return(&data->disabled);
@@ -233,7 +233,7 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
}
atomic_dec(&data->disabled);
- local_irq_restore(flags);
+ local_irq_restore_nmi(flags);
return ret;
}
@@ -278,7 +278,7 @@ void trace_graph_return(struct ftrace_graph_ret *trace)
int cpu;
int pc;
- local_irq_save(flags);
+ local_irq_save_nmi(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
disabled = atomic_inc_return(&data->disabled);
@@ -287,7 +287,7 @@ void trace_graph_return(struct ftrace_graph_ret *trace)
__trace_graph_return(tr, trace, flags, pc);
}
atomic_dec(&data->disabled);
- local_irq_restore(flags);
+ local_irq_restore_nmi(flags);
}
void set_graph_array(struct trace_array *tr)
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index 0271742..891d3a0 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -65,11 +65,11 @@ wakeup_tracer_call(unsigned long ip, unsigned long parent_ip)
if (unlikely(disabled != 1))
goto out;
- local_irq_save(flags);
+ local_irq_save_nmi(flags);
trace_function(tr, ip, parent_ip, flags, pc);
- local_irq_restore(flags);
+ local_irq_restore_nmi(flags);
out:
atomic_dec(&data->disabled);
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index f4bc9b2..14fa61c 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -53,7 +53,7 @@ static inline void check_stack(void)
if (!object_is_on_stack(&this_size))
return;
- local_irq_save(flags);
+ local_irq_save_nmi(flags);
arch_spin_lock(&max_stack_lock);
/* a race could have already updated it */
@@ -104,7 +104,7 @@ static inline void check_stack(void)
out:
arch_spin_unlock(&max_stack_lock);
- local_irq_restore(flags);
+ local_irq_restore_nmi(flags);
}
static void
--
1.7.0.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists