s390/s390dbf: add debug_level_enabled() function
Add the debug_level_enabled() function to check if debug events for
a particular level would be logged. This might help to save cycles
for debug events that require additional information collection.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index 188c505..530c15e 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -107,6 +107,11 @@
void debug_set_critical(void);
void debug_stop_all(void);
+static inline bool debug_level_enabled(debug_info_t* id, int level)
+{
+ return level <= id->level;
+}
+
static inline debug_entry_t*
debug_event(debug_info_t* id, int level, void* data, int length)
{