summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2011-07-17 18:51:23 +0200
committerClark Williams <williams@redhat.com>2011-12-28 16:25:42 -0600
commit7993af8e3328901b3d708dd41afc963a42cd3825 (patch)
tree2d6aeae48845e629824d8fc8d9687979e2241702
parent94850d09da357d9d422e28dcdca017246a49d2b6 (diff)
lockdep-rt.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--include/linux/irqflags.h10
-rw-r--r--kernel/lockdep.c2
2 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index 37b13c41a12a..a52b35d4229f 100644
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -25,8 +25,6 @@
# define trace_softirqs_enabled(p) ((p)->softirqs_enabled)
# define trace_hardirq_enter() do { current->hardirq_context++; } while (0)
# define trace_hardirq_exit() do { current->hardirq_context--; } while (0)
-# define lockdep_softirq_enter() do { current->softirq_context++; } while (0)
-# define lockdep_softirq_exit() do { current->softirq_context--; } while (0)
# define INIT_TRACE_IRQFLAGS .softirqs_enabled = 1,
#else
# define trace_hardirqs_on() do { } while (0)
@@ -39,9 +37,15 @@
# define trace_softirqs_enabled(p) 0
# define trace_hardirq_enter() do { } while (0)
# define trace_hardirq_exit() do { } while (0)
+# define INIT_TRACE_IRQFLAGS
+#endif
+
+#if defined(CONFIG_TRACE_IRQFLAGS) && !defined(CONFIG_PREEMPT_RT_FULL)
+# define lockdep_softirq_enter() do { current->softirq_context++; } while (0)
+# define lockdep_softirq_exit() do { current->softirq_context--; } while (0)
+#else
# define lockdep_softirq_enter() do { } while (0)
# define lockdep_softirq_exit() do { } while (0)
-# define INIT_TRACE_IRQFLAGS
#endif
#if defined(CONFIG_IRQSOFF_TRACER) || \
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index b2e08c932d91..334d3c037b34 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3494,6 +3494,7 @@ static void check_flags(unsigned long flags)
}
}
+#ifndef CONFIG_PREEMPT_RT_FULL
/*
* We dont accurately track softirq state in e.g.
* hardirq contexts (such as on 4KSTACKS), so only
@@ -3508,6 +3509,7 @@ static void check_flags(unsigned long flags)
DEBUG_LOCKS_WARN_ON(!current->softirqs_enabled);
}
}
+#endif
if (!debug_locks)
print_irqtrace_events(current);