Date: Wed, 19 Apr 2023 19:46:21 GMT From: Warner Losh <imp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: ac7506f22fa6 - stable/13 - tty: Default to printing kernel stack traceback only on INVARIANT kernels Message-ID: <202304191946.33JJkLKT020887@gitrepo.freebsd.org>
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The branch stable/13 has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=ac7506f22fa6420a85327a3831e766706003c36c commit ac7506f22fa6420a85327a3831e766706003c36c Author: Warner Losh <imp@FreeBSD.org> AuthorDate: 2023-04-19 19:32:45 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2023-04-19 19:44:20 +0000 tty: Default to printing kernel stack traceback only on INVARIANT kernels Change the default from printing a breif kernel thread stack informaton back to omitting it for non-invariant kernels in response to SIGINFO/^T. Full and brief stack support can be selected with the kern.tty_info_kstacks sysctl. MFC After: 2 weeks Sponsored by: Netflix Reviewed by: grembo, jhb Differential Revision: https://reviews.freebsd.org/D35576 (cherry picked from commit b69996d1d5d08fd5009ac325ea8e8154efd01b33) --- sys/kern/tty_info.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/kern/tty_info.c b/sys/kern/tty_info.c index 237aa47a18da..be6de114bdfd 100644 --- a/sys/kern/tty_info.c +++ b/sys/kern/tty_info.c @@ -239,7 +239,11 @@ sbuf_tty_drain(void *a, const char *d, int len) } #ifdef STACK +#ifdef INVARIANTS static int tty_info_kstacks = STACK_SBUF_FMT_COMPACT; +#else +static int tty_info_kstacks = STACK_SBUF_FMT_NONE; +#endif static int sysctl_tty_info_kstacks(SYSCTL_HANDLER_ARGS)
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