git: a72edfea5719 - main - dtrace: avoid kinst warn when not used

The branch main has been updated by mjg:

URL: https://cgit.FreeBSD.org/src/commit/?id=a72edfea571909070761d2d143df7d818b4f51b2

commit a72edfea571909070761d2d143df7d818b4f51b2
Author:     Mateusz Guzik <mjg@FreeBSD.org>
AuthorDate: 2022-11-15 10:01:05 +0000
Commit:     Mateusz Guzik <mjg@FreeBSD.org>
CommitDate: 2022-11-15 13:40:31 +0000

    dtrace: avoid kinst warn when not used
    
    Reviewed by:    markj
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
---
 sys/cddl/dev/kinst/kinst.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/sys/cddl/dev/kinst/kinst.c b/sys/cddl/dev/kinst/kinst.c
index a7d04e927fa7..0b8d4dd4e657 100644
--- a/sys/cddl/dev/kinst/kinst.c
+++ b/sys/cddl/dev/kinst/kinst.c
@@ -153,6 +153,13 @@ static void
 kinst_enable(void *arg, dtrace_id_t id, void *parg)
 {
 	struct kinst_probe *kp = parg;
+	static bool warned = false;
+
+	if (!warned) {
+		KINST_LOG(
+		    "kinst: This provider is experimental, exercise caution");
+		warned = true;
+	}
 
 	kinst_patch_tracepoint(kp, kp->kp_patchval);
 }
@@ -208,8 +215,6 @@ kinst_modevent(module_t mod __unused, int type, void *data __unused)
 
 	switch (type) {
 	case MOD_LOAD:
-		KINST_LOG(
-		    "kinst: This provider is experimental, exercise caution");
 		break;
 	case MOD_UNLOAD:
 		break;