Fedora: https://src.fedoraproject.org/rpms/userspace-rcu/raw/rawhide/f/regtest-without-bench.patch

"Remove the benchmarks from the regtest target, they timeout on the buildds."
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -8,7 +8,6 @@
 	cd benchmark && $(MAKE) $(AM_MAKEFLAGS) long_bench
 regtest:
 	cd regression && $(MAKE) $(AM_MAKEFLAGS) regtest
-	cd benchmark && $(MAKE) $(AM_MAKEFLAGS) regtest
 
 check-loop:
 	while [ 0 ]; do \