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-rw-r--r--sys/conf/NOTES9
-rw-r--r--sys/conf/options1
2 files changed, 10 insertions, 0 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index 3513ef3..e4e3635 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -374,6 +374,15 @@ options INVARIANT_SUPPORT
options DIAGNOSTIC
#
+# REGRESSION causes optional kernel interfaces necessary only for regression
+# testing to be enabled. These interfaces may consitute security risks
+# when enabled, as they permit processes to easily modify aspects of the
+# run-time environment to reproduce unlikely or unusual (possibly normally
+# impossible) scenarios.
+#
+options REGRESSION
+
+#
# PERFMON causes the driver for Pentium/Pentium Pro performance counters
# to be compiled. See perfmon(4) for more information.
#
diff --git a/sys/conf/options b/sys/conf/options
index 07dff22..85b6c18 100644
--- a/sys/conf/options
+++ b/sys/conf/options
@@ -375,6 +375,7 @@ DIAGNOSTIC opt_global.h
ENABLE_VFS_IOOPT opt_global.h
INVARIANT_SUPPORT opt_global.h
INVARIANTS opt_global.h
+REGRESSION opt_global.h
SIMPLELOCK_DEBUG opt_global.h
VFS_BIO_DEBUG opt_global.h
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