The branch stable/13 has been updated by mjg:
URL:
https://cgit.FreeBSD.org/src/commit/?id=bc28e9596c59b58fbbdbd9f97e42a0e0fbedb855
commit bc28e9596c59b58fbbdbd9f97e42a0e0fbedb855
Author: Mateusz Guzik <m...@freebsd.org>
AuthorDate: 2021-07-15 14:01:02 +0000
Commit: Mateusz Guzik <m...@freebsd.org>
CommitDate: 2021-07-21 16:59:58 +0000
Add __diagused
This can be used for variables which are only used with either
INVARIANTS or WITNESS. Without any annotation they run into dead store
warnings from cc --analyze and always annotating with __unused may hide
bad vars when it should not.
Reviewed by: kib, markj
Sponsored by: Rubicon Communications, LLC ("Netgate")
Differential Revision: https://reviews.freebsd.org/D31185
(cherry picked from commit b9296725cf99696b48926270a553044522d6e344)
---
sys/sys/systm.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/sys/sys/systm.h b/sys/sys/systm.h
index d13379b0a12f..36d48fbf080d 100644
--- a/sys/sys/systm.h
+++ b/sys/sys/systm.h
@@ -625,6 +625,13 @@ void _gone_in_dev(device_t dev, int major, const char
*msg);
#endif
#define gone_in(major, msg) __gone_ok(major, msg) _gone_in(major,
msg)
#define gone_in_dev(dev, major, msg) __gone_ok(major, msg) _gone_in_dev(dev,
major, msg)
+
+#if defined(INVARIANTS) || defined(WITNESS)
+#define __diagused
+#else
+#define __diagused __unused
+#endif
+
#endif /* _KERNEL */
__NULLABILITY_PRAGMA_POP
_______________________________________________
dev-commits-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all
To unsubscribe, send any mail to "dev-commits-src-all-unsubscr...@freebsd.org"
