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authorIngo Molnar <mingo@elte.hu>2008-07-29 12:00:59 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-14 10:34:22 +0200
commit36dcd67ae994fece615b7c700958d215e884b9ae (patch)
tree2a4bed0cb9de673b7760b81f9fe03fd5f262c77e /include/linux
parent9795302acf2817d0842e56d23df6008e43df0970 (diff)
ftrace: ignore functions that cannot be kprobe-ed
kprobes already has an extensive list of annotations for functions that should not be instrumented. Add notrace annotations to these functions as well. This is particularly useful for functions called by the NMI path. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/kprobes.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 0be7795655f..497b1d1f7a0 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -29,6 +29,7 @@
* <jkenisto@us.ibm.com> and Prasanna S Panchamukhi
* <prasanna@in.ibm.com> added function-return probes.
*/
+#include <linux/linkage.h>
#include <linux/list.h>
#include <linux/notifier.h>
#include <linux/smp.h>
@@ -47,7 +48,7 @@
#define KPROBE_HIT_SSDONE 0x00000008
/* Attach to insert probes on any functions which should be ignored*/
-#define __kprobes __attribute__((__section__(".kprobes.text")))
+#define __kprobes __attribute__((__section__(".kprobes.text"))) notrace
struct kprobe;
struct pt_regs;
@@ -256,7 +257,7 @@ void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head);
#else /* CONFIG_KPROBES */
-#define __kprobes /**/
+#define __kprobes notrace
struct jprobe;
struct kretprobe;