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authorHendrik Brueckner <brueckner@linux.vnet.ibm.com>2013-09-18 17:21:34 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-10-24 17:16:53 +0200
commitf1d86b61fb6692c592e937dfb5069e4057855a3b (patch)
treeebf8feb3c5067a774492f9b52a87446e8d32853f /arch/s390/include/asm/debug.h
parents390/bitops: optimize set_bit() for constant values (diff)
downloadlinux-f1d86b61fb6692c592e937dfb5069e4057855a3b.tar.xz
linux-f1d86b61fb6692c592e937dfb5069e4057855a3b.zip
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>
Diffstat (limited to 'arch/s390/include/asm/debug.h')
-rw-r--r--arch/s390/include/asm/debug.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index 188c5052a20a..530c15eb01e9 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -107,6 +107,11 @@ void debug_set_level(debug_info_t* id, int new_level);
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)
{