git: eb1413c9a6c7 - main - kinst: exclude cpu_switch
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Wed, 19 Jul 2023 14:59:50 UTC
The branch main has been updated by christos:
URL: https://cgit.FreeBSD.org/src/commit/?id=eb1413c9a6c785920421664dedd8e5c23fd89834
commit eb1413c9a6c785920421664dedd8e5c23fd89834
Author: Christos Margiolis <christos@FreeBSD.org>
AuthorDate: 2023-07-19 14:56:29 +0000
Commit: Christos Margiolis <christos@FreeBSD.org>
CommitDate: 2023-07-19 14:56:29 +0000
kinst: exclude cpu_switch
Reviewed by: markj
Approved by: markj (mentor)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D40985
---
sys/cddl/dev/kinst/kinst.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/sys/cddl/dev/kinst/kinst.c b/sys/cddl/dev/kinst/kinst.c
index 1c5b4372055d..4bd3047f49db 100644
--- a/sys/cddl/dev/kinst/kinst.c
+++ b/sys/cddl/dev/kinst/kinst.c
@@ -96,6 +96,13 @@ kinst_excluded(const char *name)
if (kinst_md_excluded(name))
return (true);
+ /*
+ * cpu_switch() can cause a crash if it modifies the value of curthread
+ * while in probe context.
+ */
+ if (strcmp(name, "cpu_switch") == 0)
+ return (true);
+
/*
* Anything beginning with "dtrace_" may be called from probe context
* unless it explicitly indicates that it won't be called from probe