Date: Wed, 19 Jul 2023 14:59:50 GMT From: Christos Margiolis <christos@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: eb1413c9a6c7 - main - kinst: exclude cpu_switch Message-ID: <202307191459.36JExoaw067566@gitrepo.freebsd.org>
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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
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