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[src/netbsd-9]: src/external/cddl/osnet/dev/dtrace/amd64 Pull up following re...
details: https://anonhg.NetBSD.org/src/rev/15c1b78b8bbd
branches: netbsd-9
changeset: 843483:15c1b78b8bbd
user: martin <martin%NetBSD.org@localhost>
date: Sun Nov 10 13:18:42 2019 +0000
description:
Pull up following revision(s) (requested by hannken in ticket #410):
external/cddl/osnet/dev/dtrace/amd64/dtrace_subr.c: revision 1.14
dtrace_trap() gets called from alltraps() -> trap() with interrupts enabled
so we cannot assert for interrupts disabled here.
Should fix PR kern/54603: kernel panic when running dtruss
diffstat:
external/cddl/osnet/dev/dtrace/amd64/dtrace_subr.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diffs (21 lines):
diff -r d9badbd91831 -r 15c1b78b8bbd external/cddl/osnet/dev/dtrace/amd64/dtrace_subr.c
--- a/external/cddl/osnet/dev/dtrace/amd64/dtrace_subr.c Sun Nov 10 13:14:41 2019 +0000
+++ b/external/cddl/osnet/dev/dtrace/amd64/dtrace_subr.c Sun Nov 10 13:18:42 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dtrace_subr.c,v 1.13 2019/07/05 08:29:18 hannken Exp $ */
+/* $NetBSD: dtrace_subr.c,v 1.13.2.1 2019/11/10 13:18:42 martin Exp $ */
/*
* CDDL HEADER START
@@ -412,7 +412,11 @@
*/
nofault = (cpu_core[cpuid].cpuc_dtrace_flags & CPU_DTRACE_NOFAULT) != 0;
if (nofault) {
+#if 0
+ This assertion would always fire, we get called from
+ alltraps() -> trap() with interrupts enabled.
KASSERTMSG((x86_read_flags() & PSL_I) == 0, "interrupts enabled");
+#endif
/*
* There are only a couple of trap types that are expected.
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