All of
 help / color / mirror / Atom feed
* [PATCH] tracing: Use alignof__(struct {type b;}) instead of offsetof()
@ 2022-08-02 19:44 Steven Rostedt
  0 siblings, 0 replies; only message in thread
From: Steven Rostedt @ 2022-08-02 19:44 UTC (permalink / raw)
  To: LKML
  Cc: Ingo Molnar, Andrew Morton, Peter Zijlstra, Thomas Gleixner,
	Masami Hiramatsu, David Laight

From: "Steven Rostedt (Google)" <>


  #define ALIGN_STRUCTFIELD(type) ((int)(offsetof(struct {char a; type b;}, b)))


  #define  ALIGN_STRUCTFIELD(type) __alignof__(struct {type b;})

Which works just the same.


Suggested-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Steven Rostedt (Google) <>
 include/trace/stages/stage4_event_fields.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/trace/stages/stage4_event_fields.h b/include/trace/stages/stage4_event_fields.h
index 80d34f396555..a8fb25f39a99 100644
--- a/include/trace/stages/stage4_event_fields.h
+++ b/include/trace/stages/stage4_event_fields.h
@@ -2,7 +2,7 @@
 /* Stage 4 definitions for creating trace events */
-#define ALIGN_STRUCTFIELD(type) ((int)(offsetof(struct {char a; type b;}, b)))
+#define ALIGN_STRUCTFIELD(type) ((int)(__alignof__(struct {type b;})))
 #undef __field_ext
 #define __field_ext(_type, _item, _filter_type) {			\

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2022-08-02 19:44 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-08-02 19:44 [PATCH] tracing: Use alignof__(struct {type b;}) instead of offsetof() Steven Rostedt

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.