Merge tag 'kvm-s390-master-6.0-2' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD

More pci fixes
Fix for a code analyser warning

21 files changed, 406 insertions, 159 deletions

diff --git a/tools/debugging/kernel-chktaint b/tools/debugging/kernel-chktaint
index f1af27ce9f20..279be06332be 100755
--- a/tools/debugging/kernel-chktaint
+++ b/tools/debugging/kernel-chktaint
@@ -187,6 +187,7 @@ else
 	echo " * auxiliary taint, defined for and used by distros (#16)"
 
 fi
+
 T=`expr $T / 2`
 if [ `expr $T % 2` -eq 0 ]; then
 	addout " "
@@ -195,6 +196,14 @@ else
 	echo " * kernel was built with the struct randomization plugin (#17)"
 fi
 
+T=`expr $T / 2`
+if [ `expr $T % 2` -eq 0 ]; then
+	addout " "
+else
+	addout "N"
+	echo " * an in-kernel test (such as a KUnit test) has been run (#18)"
+fi
+
 echo "For a more detailed explanation of the various taint flags see"
 echo " Documentation/admin-guide/tainted-kernels.rst in the Linux kernel sources"
 echo " or https://kernel.org/doc/html/latest/admin-guide/tainted-kernels.html"
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 1e6fd6ca513b..27f5e7dfc2f7 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -44,7 +44,7 @@
 
 /*
  * KVP protocol: The user mode component first registers with the
- * the kernel component. Subsequently, the kernel component requests, data
+ * kernel component. Subsequently, the kernel component requests, data
  * for the specified keys. In response to this message the user mode component
  * fills in the value corresponding to the specified key. We overload the
  * sequence field in the cn_msg header to define our KVP message types.
@@ -772,11 +772,11 @@ static int kvp_process_ip_address(void *addrp,
 	const char *str;
 
 	if (family == AF_INET) {
-		addr = (struct sockaddr_in *)addrp;
+		addr = addrp;
 		str = inet_ntop(family, &addr->sin_addr, tmp, 50);
 		addr_length = INET_ADDRSTRLEN;
 	} else {
-		addr6 = (struct sockaddr_in6 *)addrp;
+		addr6 = addrp;
 		str = inet_ntop(family, &addr6->sin6_addr.s6_addr, tmp, 50);
 		addr_length = INET6_ADDRSTRLEN;
 	}
diff --git a/tools/include/uapi/asm/errno.h b/tools/include/uapi/asm/errno.h
index d30439b4b8ab..869379f91fe4 100644
--- a/tools/include/uapi/asm/errno.h
+++ b/tools/include/uapi/asm/errno.h
@@ -9,8 +9,8 @@
 #include "../../../arch/alpha/include/uapi/asm/errno.h"
 #elif defined(__mips__)
 #include "../../../arch/mips/include/uapi/asm/errno.h"
-#elif defined(__xtensa__)
-#include "../../../arch/xtensa/include/uapi/asm/errno.h"
+#elif defined(__hppa__)
+#include "../../../arch/parisc/include/uapi/asm/errno.h"
 #else
 #include <asm-generic/errno.h>
 #endif
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index e6c98a6e3908..6b1bafe267a4 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -486,6 +486,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
 			if (ops->idx)
 				ops->idx(evlist, evsel, mp, idx);
 
+			pr_debug("idx %d: mmapping fd %d\n", idx, *output);
 			if (ops->mmap(map, mp, *output, evlist_cpu) < 0)
 				return -1;
 
@@ -494,6 +495,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
 			if (!idx)
 				perf_evlist__set_mmap_first(evlist, map, overwrite);
 		} else {
+			pr_debug("idx %d: set output fd %d -> %d\n", idx, fd, *output);
 			if (ioctl(fd, PERF_EVENT_IOC_SET_OUTPUT, *output) != 0)
 				return -1;
 
@@ -520,6 +522,48 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
 }
 
 static int
+mmap_per_thread(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
+		struct perf_mmap_param *mp)
+{
+	int nr_threads = perf_thread_map__nr(evlist->threads);
+	int nr_cpus    = perf_cpu_map__nr(evlist->all_cpus);
+	int cpu, thread, idx = 0;
+	int nr_mmaps = 0;
+
+	pr_debug("%s: nr cpu values (may include -1) %d nr threads %d\n",
+		 __func__, nr_cpus, nr_threads);
+
+	/* per-thread mmaps */
+	for (thread = 0; thread < nr_threads; thread++, idx++) {
+		int output = -1;
+		int output_overwrite = -1;
+
+		if (mmap_per_evsel(evlist, ops, idx, mp, 0, thread, &output,
+				   &output_overwrite, &nr_mmaps))
+			goto out_unmap;
+	}
+
+	/* system-wide mmaps i.e. per-cpu */
+	for (cpu = 1; cpu < nr_cpus; cpu++, idx++) {
+		int output = -1;
+		int output_overwrite = -1;
+
+		if (mmap_per_evsel(evlist, ops, idx, mp, cpu, 0, &output,
+				   &output_overwrite, &nr_mmaps))
+			goto out_unmap;
+	}
+
+	if (nr_mmaps != evlist->nr_mmaps)
+		pr_err("Miscounted nr_mmaps %d vs %d\n", nr_mmaps, evlist->nr_mmaps);
+
+	return 0;
+
+out_unmap:
+	perf_evlist__munmap(evlist);
+	return -1;
+}
+
+static int
 mmap_per_cpu(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
 	     struct perf_mmap_param *mp)
 {
@@ -528,6 +572,8 @@ mmap_per_cpu(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
 	int nr_mmaps = 0;
 	int cpu, thread;
 
+	pr_debug("%s: nr cpu values %d nr threads %d\n", __func__, nr_cpus, nr_threads);
+
 	for (cpu = 0; cpu < nr_cpus; cpu++) {
 		int output = -1;
 		int output_overwrite = -1;
@@ -569,6 +615,7 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
 			  struct perf_evlist_mmap_ops *ops,
 			  struct perf_mmap_param *mp)
 {
+	const struct perf_cpu_map *cpus = evlist->all_cpus;
 	struct perf_evsel *evsel;
 
 	if (!ops || !ops->get || !ops->mmap)
@@ -588,6 +635,9 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
 	if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
 		return -ENOMEM;
 
+	if (perf_cpu_map__empty(cpus))
+		return mmap_per_thread(evlist, ops, mp);
+
 	return mmap_per_cpu(evlist, ops, mp);
 }
 
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index e5921b347153..bd947885a639 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -954,11 +954,11 @@ ifndef NO_LIBBPF
 	$(call QUIET_INSTALL, bpf-headers) \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf'; \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf/linux'; \
-		$(INSTALL) include/bpf/*.h -t '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf'; \
-		$(INSTALL) include/bpf/linux/*.h -t '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf/linux'
+		$(INSTALL) include/bpf/*.h -m 644 -t '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf'; \
+		$(INSTALL) include/bpf/linux/*.h -m 644 -t '$(DESTDIR_SQ)$(perf_include_instdir_SQ)/bpf/linux'
 	$(call QUIET_INSTALL, bpf-examples) \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perf_examples_instdir_SQ)/bpf'; \
-		$(INSTALL) examples/bpf/*.c -t '$(DESTDIR_SQ)$(perf_examples_instdir_SQ)/bpf'
+		$(INSTALL) examples/bpf/*.c -m 644 -t '$(DESTDIR_SQ)$(perf_examples_instdir_SQ)/bpf'
 endif
 	$(call QUIET_INSTALL, perf-archive) \
 		$(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
@@ -967,13 +967,13 @@ endif
 ifndef NO_LIBAUDIT
 	$(call QUIET_INSTALL, strace/groups) \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'; \
-		$(INSTALL) trace/strace/groups/* -t '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'
+		$(INSTALL) trace/strace/groups/* -m 644 -t '$(DESTDIR_SQ)$(STRACE_GROUPS_INSTDIR_SQ)'
 endif
 ifndef NO_LIBPERL
 	$(call QUIET_INSTALL, perl-scripts) \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
-		$(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
-		$(INSTALL) scripts/perl/*.pl -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'; \
+		$(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'; \
+		$(INSTALL) scripts/perl/*.pl -m 644 -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'; \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'; \
 		$(INSTALL) scripts/perl/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
 endif
@@ -990,23 +990,23 @@ endif
 		$(INSTALL) $(DLFILTERS) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/dlfilters';
 	$(call QUIET_INSTALL, perf_completion-script) \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d'; \
-		$(INSTALL) perf-completion.sh '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf'
+		$(INSTALL) perf-completion.sh -m 644 '$(DESTDIR_SQ)$(sysconfdir_SQ)/bash_completion.d/perf'
 	$(call QUIET_INSTALL, perf-tip) \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(tip_instdir_SQ)'; \
-		$(INSTALL) Documentation/tips.txt -t '$(DESTDIR_SQ)$(tip_instdir_SQ)'
+		$(INSTALL) Documentation/tips.txt -m 644 -t '$(DESTDIR_SQ)$(tip_instdir_SQ)'
 
 install-tests: all install-gtk
 	$(call QUIET_INSTALL, tests) \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
-		$(INSTALL) tests/attr.py '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
+		$(INSTALL) tests/attr.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
 		$(INSTALL) tests/pe-file.exe* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests'; \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
-		$(INSTALL) tests/attr/* '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
+		$(INSTALL) tests/attr/* -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/attr'; \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
 		$(INSTALL) tests/shell/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
 		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
-		$(INSTALL) tests/shell/lib/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
-		$(INSTALL) tests/shell/lib/*.py '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'
+		$(INSTALL) tests/shell/lib/*.sh -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
+		$(INSTALL) tests/shell/lib/*.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'
 
 install-bin: install-tools install-tests install-traceevent-plugins
 
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 653e13b5037e..438fc222e213 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -146,15 +146,15 @@ static void *c2c_he_zalloc(size_t size)
 
 	c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt);
 	if (!c2c_he->cpuset)
-		return NULL;
+		goto out_free;
 
 	c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt);
 	if (!c2c_he->nodeset)
-		return NULL;
+		goto out_free;
 
 	c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
 	if (!c2c_he->node_stats)
-		return NULL;
+		goto out_free;
 
 	init_stats(&c2c_he->cstats.lcl_hitm);
 	init_stats(&c2c_he->cstats.rmt_hitm);
@@ -163,6 +163,12 @@ static void *c2c_he_zalloc(size_t size)
 	init_stats(&c2c_he->cstats.load);
 
 	return &c2c_he->he;
+
+out_free:
+	free(c2c_he->nodeset);
+	free(c2c_he->cpuset);
+	free(c2c_he);
+	return NULL;
 }
 
 static void c2c_he_free(void *he)
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index dd11d3471baf..ea40ae52cd2c 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -1874,8 +1874,7 @@ int cmd_lock(int argc, const char **argv)
 		NULL
 	};
 	const char *const lock_subcommands[] = { "record", "report", "script",
-						 "info", "contention",
-						 "contention", NULL };
+						 "info", "contention", NULL };
 	const char *lock_usage[] = {
 		NULL,
 		NULL
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 4713f0f3a6cf..f87ef43eb820 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1906,14 +1906,18 @@ static int record__synthesize(struct record *rec, bool tail)
 
 	err = perf_event__synthesize_bpf_events(session, process_synthesized_event,
 						machine, opts);
-	if (err < 0)
+	if (err < 0) {
 		pr_warning("Couldn't synthesize bpf events.\n");
+		err = 0;
+	}
 
 	if (rec->opts.synth & PERF_SYNTH_CGROUP) {
 		err = perf_event__synthesize_cgroups(tool, process_synthesized_event,
 						     machine);
-		if (err < 0)
+		if (err < 0) {
 			pr_warning("Couldn't synthesize cgroup events.\n");
+			err = 0;
+		}
 	}
 
 	if (rec->opts.nr_threads_synthesize > 1) {
@@ -3358,16 +3362,22 @@ static struct option __record_options[] = {
 
 struct option *record_options = __record_options;
 
-static void record__mmap_cpu_mask_init(struct mmap_cpu_mask *mask, struct perf_cpu_map *cpus)
+static int record__mmap_cpu_mask_init(struct mmap_cpu_mask *mask, struct perf_cpu_map *cpus)
 {
 	struct perf_cpu cpu;
 	int idx;
 
 	if (cpu_map__is_dummy(cpus))
-		return;
+		return 0;
 
-	perf_cpu_map__for_each_cpu(cpu, idx, cpus)
+	perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
+		/* Return ENODEV is input cpu is greater than max cpu */
+		if ((unsigned long)cpu.cpu > mask->nbits)
+			return -ENODEV;
 		set_bit(cpu.cpu, mask->bits);
+	}
+
+	return 0;
 }
 
 static int record__mmap_cpu_mask_init_spec(struct mmap_cpu_mask *mask, const char *mask_spec)
@@ -3379,7 +3389,9 @@ static int record__mmap_cpu_mask_init_spec(struct mmap_cpu_mask *mask, const cha
 		return -ENOMEM;
 
 	bitmap_zero(mask->bits, mask->nbits);
-	record__mmap_cpu_mask_init(mask, cpus);
+	if (record__mmap_cpu_mask_init(mask, cpus))
+		return -ENODEV;
+
 	perf_cpu_map__put(cpus);
 
 	return 0;
@@ -3461,7 +3473,12 @@ static int record__init_thread_masks_spec(struct record *rec, struct perf_cpu_ma
 		pr_err("Failed to allocate CPUs mask\n");
 		return ret;
 	}
-	record__mmap_cpu_mask_init(&cpus_mask, cpus);
+
+	ret = record__mmap_cpu_mask_init(&cpus_mask, cpus);
+	if (ret) {
+		pr_err("Failed to init cpu mask\n");
+		goto out_free_cpu_mask;
+	}
 
 	ret = record__thread_mask_alloc(&full_mask, cpu__max_cpu().cpu);
 	if (ret) {
@@ -3702,7 +3719,8 @@ static int record__init_thread_default_masks(struct record *rec, struct perf_cpu
 	if (ret)
 		return ret;
 
-	record__mmap_cpu_mask_init(&rec->thread_masks->maps, cpus);
+	if (record__mmap_cpu_mask_init(&rec->thread_masks->maps, cpus))
+		return -ENODEV;
 
 	rec->nr_threads = 1;
 
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 13580a9c50b8..029b4330e59b 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -445,6 +445,9 @@ static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
 	struct perf_event_attr *attr = &evsel->core.attr;
 	bool allow_user_set;
 
+	if (evsel__is_dummy_event(evsel))
+		return 0;
+
 	if (perf_header__has_feat(&session->header, HEADER_STAT))
 		return 0;
 
@@ -566,6 +569,8 @@ static struct evsel *find_first_output_type(struct evlist *evlist,
 	struct evsel *evsel;
 
 	evlist__for_each_entry(evlist, evsel) {
+		if (evsel__is_dummy_event(evsel))
+			continue;
 		if (output_type(evsel->core.attr.type) == (int)type)
 			return evsel;
 	}
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 54cd29d07ca8..0b4a62e4ff67 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1932,6 +1932,9 @@ setup_metrics:
 		free(str);
 	}
 
+	if (!stat_config.topdown_level)
+		stat_config.topdown_level = TOPDOWN_MAX_LEVEL;
+
 	if (!evsel_list->core.nr_entries) {
 		if (target__has_cpu(&target))
 			default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK;
@@ -1948,8 +1951,6 @@ setup_metrics:
 		}
 		if (evlist__add_default_attrs(evsel_list, default_attrs1) < 0)
 			return -1;
-
-		stat_config.topdown_level = TOPDOWN_MAX_LEVEL;
 		/* Platform specific attrs */
 		if (evlist__add_default_attrs(evsel_list, default_null_attrs) < 0)
 			return -1;
diff --git a/tools/perf/dlfilters/dlfilter-show-cycles.c b/tools/perf/dlfilters/dlfilter-show-cycles.c
index 9eccc97bff82..6d47298ebe9f 100644
--- a/tools/perf/dlfilters/dlfilter-show-cycles.c
+++ b/tools/perf/dlfilters/dlfilter-show-cycles.c
@@ -98,9 +98,9 @@ int filter_event_early(void *data, const struct perf_dlfilter_sample *sample, vo
 static void print_vals(__u64 cycles, __u64 delta)
 {
 	if (delta)
-		printf("%10llu %10llu ", cycles, delta);
+		printf("%10llu %10llu ", (unsigned long long)cycles, (unsigned long long)delta);
 	else
-		printf("%10llu %10s ", cycles, "");
+		printf("%10llu %10s ", (unsigned long long)cycles, "");
 }
 
 int filter_event(void *data, const struct perf_dlfilter_sample *sample, void *ctx)
diff --git a/tools/perf/util/affinity.c b/tools/perf/util/affinity.c
index 4d216c0dc425..4ee96b3c755b 100644
--- a/tools/perf/util/affinity.c
+++ b/tools/perf/util/affinity.c
@@ -49,8 +49,14 @@ void affinity__set(struct affinity *a, int cpu)
 {
 	int cpu_set_size = get_cpu_set_size();
 
-	if (cpu == -1)
+	/*
+	 * Return:
+	 * - if cpu is -1
+	 * - restrict out of bound access to sched_cpus
+	 */
+	if (cpu == -1 || ((cpu >= (cpu_set_size * 8))))
 		return;
+
 	a->changed = true;
 	set_bit(cpu, a->sched_cpus);
 	/*
diff --git a/tools/perf/util/genelf.c b/tools/perf/util/genelf.c
index 953338b9e887..ed28a0dbcb7f 100644
--- a/tools/perf/util/genelf.c
+++ b/tools/perf/util/genelf.c
@@ -30,10 +30,6 @@
 
 #define BUILD_ID_URANDOM /* different uuid for each run */
 
-// FIXME, remove this and fix the deprecation warnings before its removed and
-// We'll break for good here...
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
 #ifdef HAVE_LIBCRYPTO_SUPPORT
 
 #define BUILD_ID_MD5
@@ -45,6 +41,7 @@
 #endif
 
 #ifdef BUILD_ID_MD5
+#include <openssl/evp.h>
 #include <openssl/md5.h>
 #endif
 #endif
@@ -142,15 +139,20 @@ gen_build_id(struct buildid_note *note,
 static void
 gen_build_id(struct buildid_note *note, unsigned long load_addr, const void *code, size_t csize)
 {
-	MD5_CTX context;
+	EVP_MD_CTX *mdctx;
 
 	if (sizeof(note->build_id) < 16)
 		errx(1, "build_id too small for MD5");
 
-	MD5_Init(&context);
-	MD5_Update(&context, &load_addr, sizeof(load_addr));
-	MD5_Update(&context, code, csize);
-	MD5_Final((unsigned char *)note->build_id, &context);
+	mdctx = EVP_MD_CTX_new();
+	if (!mdctx)
+		errx(2, "failed to create EVP_MD_CTX");
+
+	EVP_DigestInit_ex(mdctx, EVP_md5(), NULL);
+	EVP_DigestUpdate(mdctx, &load_addr, sizeof(load_addr));
+	EVP_DigestUpdate(mdctx, code, csize);
+	EVP_DigestFinal_ex(mdctx, (unsigned char *)note->build_id, NULL);
+	EVP_MD_CTX_free(mdctx);
 }
 #endif
 
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 464475fd6b9a..c93bcaf6d55d 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -1655,6 +1655,9 @@ int metricgroup__parse_groups(const struct option *opt,
 	struct evlist *perf_evlist = *(struct evlist **)opt->value;
 	const struct pmu_events_table *table = pmu_events_table__find();
 
+	if (!table)
+		return -EINVAL;
+
 	return parse_groups(perf_evlist, str, metric_no_group,
 			    metric_no_merge, NULL, metric_events, table);
 }
diff --git a/tools/testing/selftests/bpf/DENYLIST.s390x b/tools/testing/selftests/bpf/DENYLIST.s390x
index e33cab34d22f..db9810611788 100644
--- a/tools/testing/selftests/bpf/DENYLIST.s390x
+++ b/tools/testing/selftests/bpf/DENYLIST.s390x
@@ -65,3 +65,4 @@ send_signal                              # intermittently fails to receive signa
 select_reuseport                         # intermittently fails on new s390x setup
 xdp_synproxy                             # JIT does not support calling kernel function                                (kfunc)
 unpriv_bpf_disabled                      # fentry
+lru_bug                                  # prog 'printk': failed to auto-attach: -524
diff --git a/tools/testing/selftests/bpf/verifier/precise.c b/tools/testing/selftests/bpf/verifier/precise.c
index 9e754423fa8b..6c03a7d805f9 100644
--- a/tools/testing/selftests/bpf/verifier/precise.c
+++ b/tools/testing/selftests/bpf/verifier/precise.c
@@ -192,3 +192,28 @@
 	.result = VERBOSE_ACCEPT,
 	.retval = -1,
 },
+{
+	"precise: mark_chain_precision for ARG_CONST_ALLOC_SIZE_OR_ZERO",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_1, offsetof(struct xdp_md, ingress_ifindex)),
+	BPF_LD_MAP_FD(BPF_REG_6, 0),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+	BPF_MOV64_IMM(BPF_REG_2, 1),
+	BPF_MOV64_IMM(BPF_REG_3, 0),
+	BPF_JMP_IMM(BPF_JEQ, BPF_REG_4, 0, 1),
+	BPF_MOV64_IMM(BPF_REG_2, 0x1000),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_reserve),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+	BPF_EXIT_INSN(),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 42),
+	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_ringbuf_submit),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.fixup_map_ringbuf = { 1 },
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr = "invalid access to memory, mem_size=1 off=42 size=8",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c
index 21a2ce8fa739..45de42a027c5 100644
--- a/tools/testing/selftests/landlock/fs_test.c
+++ b/tools/testing/selftests/landlock/fs_test.c
@@ -4,7 +4,7 @@
  *
  * Copyright © 2017-2020 Mickaël Salaün <mic@digikod.net>
  * Copyright © 2020 ANSSI
- * Copyright © 2020-2021 Microsoft Corporation
+ * Copyright © 2020-2022 Microsoft Corporation
  */
 
 #define _GNU_SOURCE
@@ -371,6 +371,13 @@ TEST_F_FORK(layout1, inval)
 	ASSERT_EQ(EINVAL, errno);
 	path_beneath.allowed_access &= ~LANDLOCK_ACCESS_FS_EXECUTE;
 
+	/* Tests with denied-by-default access right. */
+	path_beneath.allowed_access |= LANDLOCK_ACCESS_FS_REFER;
+	ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
+					&path_beneath, 0));
+	ASSERT_EQ(EINVAL, errno);
+	path_beneath.allowed_access &= ~LANDLOCK_ACCESS_FS_REFER;
+
 	/* Test with unknown (64-bits) value. */
 	path_beneath.allowed_access |= (1ULL << 60);
 	ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
@@ -1826,6 +1833,20 @@ TEST_F_FORK(layout1, link)
 	ASSERT_EQ(0, link(file1_s1d3, file2_s1d3));
 }
 
+static int test_rename(const char *const oldpath, const char *const newpath)
+{
+	if (rename(oldpath, newpath))
+		return errno;
+	return 0;
+}
+
+static int test_exchange(const char *const oldpath, const char *const newpath)
+{
+	if (renameat2(AT_FDCWD, oldpath, AT_FDCWD, newpath, RENAME_EXCHANGE))
+		return errno;
+	return 0;
+}
+
 TEST_F_FORK(layout1, rename_file)
 {
 	const struct rule rules[] = {
@@ -1867,10 +1888,10 @@ TEST_F_FORK(layout1, rename_file)
 	 * to a different directory (which allows file removal).
 	 */
 	ASSERT_EQ(-1, rename(file1_s2d1, file1_s1d3));
-	ASSERT_EQ(EXDEV, errno);
+	ASSERT_EQ(EACCES, errno);
 	ASSERT_EQ(-1, renameat2(AT_FDCWD, file1_s2d1, AT_FDCWD, file1_s1d3,
 				RENAME_EXCHANGE));
-	ASSERT_EQ(EXDEV, errno);
+	ASSERT_EQ(EACCES, errno);
 	ASSERT_EQ(-1, renameat2(AT_FDCWD, dir_s2d2, AT_FDCWD, file1_s1d3,
 				RENAME_EXCHANGE));
 	ASSERT_EQ(EXDEV, errno);
@@ -1894,7 +1915,7 @@ TEST_F_FORK(layout1, rename_file)
 	ASSERT_EQ(EXDEV, errno);
 	ASSERT_EQ(0, unlink(file1_s1d3));
 	ASSERT_EQ(-1, rename(file1_s2d1, file1_s1d3));
-	ASSERT_EQ(EXDEV, errno);
+	ASSERT_EQ(EACCES, errno);
 
 	/* Exchanges and renames files with same parent. */
 	ASSERT_EQ(0, renameat2(AT_FDCWD, file2_s2d3, AT_FDCWD, file1_s2d3,
@@ -2014,6 +2035,115 @@ TEST_F_FORK(layout1, reparent_refer)
 	ASSERT_EQ(0, rename(dir_s1d3, dir_s2d3));
 }
 
+/* Checks renames beneath dir_s1d1. */
+static void refer_denied_by_default(struct __test_metadata *const _metadata,
+				    const struct rule layer1[],
+				    const int layer1_err,
+				    const struct rule layer2[])
+{
+	int ruleset_fd;
+
+	ASSERT_EQ(0, unlink(file1_s1d2));
+
+	ruleset_fd = create_ruleset(_metadata, layer1[0].access, layer1);
+	ASSERT_LE(0, ruleset_fd);
+	enforce_ruleset(_metadata, ruleset_fd);
+	ASSERT_EQ(0, close(ruleset_fd));
+
+	/*
+	 * If the first layer handles LANDLOCK_ACCESS_FS_REFER (according to
+	 * layer1_err), then it allows some different-parent renames and links.
+	 */
+	ASSERT_EQ(layer1_err, test_rename(file1_s1d1, file1_s1d2));
+	if (layer1_err == 0)
+		ASSERT_EQ(layer1_err, test_rename(file1_s1d2, file1_s1d1));
+	ASSERT_EQ(layer1_err, test_exchange(file2_s1d1, file2_s1d2));
+	ASSERT_EQ(layer1_err, test_exchange(file2_s1d2, file2_s1d1));
+
+	ruleset_fd = create_ruleset(_metadata, layer2[0].access, layer2);
+	ASSERT_LE(0, ruleset_fd);
+	enforce_ruleset(_metadata, ruleset_fd);
+	ASSERT_EQ(0, close(ruleset_fd));
+
+	/*
+	 * Now, either the first or the second layer does not handle
+	 * LANDLOCK_ACCESS_FS_REFER, which means that any different-parent
+	 * renames and links are denied, thus making the layer handling
+	 * LANDLOCK_ACCESS_FS_REFER null and void.
+	 */
+	ASSERT_EQ(EXDEV, test_rename(file1_s1d1, file1_s1d2));
+	ASSERT_EQ(EXDEV, test_exchange(file2_s1d1, file2_s1d2));
+	ASSERT_EQ(EXDEV, test_exchange(file2_s1d2, file2_s1d1));
+}
+
+const struct rule layer_dir_s1d1_refer[] = {
+	{
+		.path = dir_s1d1,
+		.access = LANDLOCK_ACCESS_FS_REFER,
+	},
+	{},
+};
+
+const struct rule layer_dir_s1d1_execute[] = {
+	{
+		/* Matches a parent directory. */
+		.path = dir_s1d1,
+		.access = LANDLOCK_ACCESS_FS_EXECUTE,
+	},
+	{},
+};
+
+const struct rule layer_dir_s2d1_execute[] = {
+	{
+		/* Does not match a parent directory. */
+		.path = dir_s2d1,
+		.access = LANDLOCK_ACCESS_FS_EXECUTE,
+	},
+	{},
+};
+
+/*
+ * Tests precedence over renames: denied by default for different parent
+ * directories, *with* a rule matching a parent directory, but not directly
+ * denying access (with MAKE_REG nor REMOVE).
+ */
+TEST_F_FORK(layout1, refer_denied_by_default1)
+{
+	refer_denied_by_default(_metadata, layer_dir_s1d1_refer, 0,
+				layer_dir_s1d1_execute);
+}
+
+/*
+ * Same test but this time turning around the ABI version order: the first
+ * layer does not handle LANDLOCK_ACCESS_FS_REFER.
+ */
+TEST_F_FORK(layout1, refer_denied_by_default2)
+{
+	refer_denied_by_default(_metadata, layer_dir_s1d1_execute, EXDEV,
+				layer_dir_s1d1_refer);
+}
+
+/*
+ * Tests precedence over renames: denied by default for different parent
+ * directories, *without* a rule matching a parent directory, but not directly
+ * denying access (with MAKE_REG nor REMOVE).
+ */
+TEST_F_FORK(layout1, refer_denied_by_default3)
+{
+	refer_denied_by_default(_metadata, layer_dir_s1d1_refer, 0,
+				layer_dir_s2d1_execute);
+}
+
+/*
+ * Same test but this time turning around the ABI version order: the first
+ * layer does not handle LANDLOCK_ACCESS_FS_REFER.
+ */
+TEST_F_FORK(layout1, refer_denied_by_default4)
+{
+	refer_denied_by_default(_metadata, layer_dir_s2d1_execute, EXDEV,
+				layer_dir_s1d1_refer);
+}
+
 TEST_F_FORK(layout1, reparent_link)
 {
 	const struct rule layer1[] = {
@@ -2336,11 +2466,12 @@ TEST_F_FORK(layout1, reparent_exdev_layers_rename1)
 	ASSERT_EQ(EXDEV, errno);
 
 	/*
-	 * However, moving the file2_s1d3 file below dir_s2d3 is allowed
-	 * because it cannot inherit MAKE_REG nor MAKE_DIR rights (which are
-	 * dedicated to directories).
+	 * Moving the file2_s1d3 file below dir_s2d3 is denied because the
+	 * second layer does not handle REFER, which is always denied by
+	 * default.
 	 */
-	ASSERT_EQ(0, rename(file2_s1d3, file1_s2d3));
+	ASSERT_EQ(-1, rename(file2_s1d3, file1_s2d3));
+	ASSERT_EQ(EXDEV, errno);
 }
 
 TEST_F_FORK(layout1, reparent_exdev_layers_rename2)
@@ -2373,8 +2504,12 @@ TEST_F_FORK(layout1, reparent_exdev_layers_rename2)
 	ASSERT_EQ(EACCES, errno);
 	ASSERT_EQ(-1, rename(file1_s1d1, file1_s2d3));
 	ASSERT_EQ(EXDEV, errno);
-	/* Modify layout! */
-	ASSERT_EQ(0, rename(file2_s1d2, file1_s2d3));
+	/*
+	 * Modifying the layout is now denied because the second layer does not
+	 * handle REFER, which is always denied by default.
+	 */
+	ASSERT_EQ(-1, rename(file2_s1d2, file1_s2d3));
+	ASSERT_EQ(EXDEV, errno);
 
 	/* Without REFER source, EACCES wins over EXDEV. */
 	ASSERT_EQ(-1, rename(dir_s1d1, file1_s2d2));
diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore
index 0e5751af6247..de7d5cc15f85 100644
--- a/tools/testing/selftests/net/.gitignore
+++ b/tools/testing/selftests/net/.gitignore
@@ -1,42 +1,42 @@
 # SPDX-License-Identifier: GPL-2.0-only
+cmsg_sender
+fin_ack_lat
+gro
+hwtstamp_config
+ioam6_parser
+ip_defrag
 ipsec
+ipv6_flowlabel
+ipv6_flowlabel_mgr
 msg_zerocopy
-socket
+nettest
 psock_fanout
 psock_snd
 psock_tpacket
-stress_reuseport_listen
+reuseaddr_conflict
+reuseaddr_ports_exhausted
 reuseport_addr_any
 reuseport_bpf
 reuseport_bpf_cpu
 reuseport_bpf_numa
 reuseport_dualstack
-reuseaddr_conflict
-tcp_mmap
-udpgso
-udpgso_bench_rx
-udpgso_bench_tx
-tcp_inq
-tls
-txring_overwrite
-ip_defrag
-ipv6_flowlabel
-ipv6_flowlabel_mgr
-so_txtime
-tcp_fastopen_backup_key
-nettest
-fin_ack_lat
-reuseaddr_ports_exhausted
-hwtstamp_config
 rxtimestamp
-timestamping
-txtimestamp
+socket
 so_netns_cookie
+so_txtime
+stress_reuseport_listen
+tap
+tcp_fastopen_backup_key
+tcp_inq
+tcp_mmap
 test_unix_oob
-gro
-ioam6_parser
+timestamping
+tls
 toeplitz
 tun
-cmsg_sender
+txring_overwrite
+txtimestamp
+udpgso
+udpgso_bench_rx
+udpgso_bench_tx
 unix_connect
-tap
\ No newline at end of file
diff --git a/tools/testing/selftests/net/io_uring_zerocopy_tx.c b/tools/testing/selftests/net/io_uring_zerocopy_tx.c
index 9d64c560a2d6..8ce48aca8321 100644
--- a/tools/testing/selftests/net/io_uring_zerocopy_tx.c
+++ b/tools/testing/selftests/net/io_uring_zerocopy_tx.c
@@ -47,7 +47,6 @@ enum {
 	MODE_MIXED	= 3,
 };
 
-static bool cfg_flush		= false;
 static bool cfg_cork		= false;
 static int  cfg_mode		= MODE_ZC_FIXED;
 static int  cfg_nr_reqs		= 8;
@@ -166,21 +165,6 @@ static int io_uring_register_buffers(struct io_uring *ring,
 	return (ret < 0) ? -errno : ret;
 }
 
-static int io_uring_register_notifications(struct io_uring *ring,
-					   unsigned nr,
-					   struct io_uring_notification_slot *slots)
-{
-	int ret;
-	struct io_uring_notification_register r = {
-		.nr_slots = nr,
-		.data = (unsigned long)slots,
-	};
-
-	ret = syscall(__NR_io_uring_register, ring->ring_fd,
-		      IORING_REGISTER_NOTIFIERS, &r, sizeof(r));
-	return (ret < 0) ? -errno : ret;
-}
-
 static int io_uring_mmap(int fd, struct io_uring_params *p,
 			 struct io_uring_sq *sq, struct io_uring_cq *cq)
 {
@@ -297,11 +281,10 @@ static inline void io_uring_prep_send(struct io_uring_sqe *sqe, int sockfd,
 
 static inline void io_uring_prep_sendzc(struct io_uring_sqe *sqe, int sockfd,
 				        const void *buf, size_t len, int flags,
-				        unsigned slot_idx, unsigned zc_flags)
+				        unsigned zc_flags)
 {
 	io_uring_prep_send(sqe, sockfd, buf, len, flags);
-	sqe->opcode = (__u8) IORING_OP_SENDZC_NOTIF;
-	sqe->notification_idx = slot_idx;
+	sqe->opcode = (__u8) IORING_OP_SEND_ZC;
 	sqe->ioprio = zc_flags;
 }
 
@@ -374,7 +357,6 @@ static int do_setup_tx(int domain, int type, int protocol)
 
 static void do_tx(int domain, int type, int protocol)
 {
-	struct io_uring_notification_slot b[1] = {{.tag = NOTIF_TAG}};
 	struct io_uring_sqe *sqe;
 	struct io_uring_cqe *cqe;
 	unsigned long packets = 0, bytes = 0;
@@ -390,10 +372,6 @@ static void do_tx(int domain, int type, int protocol)
 	if (ret)
 		error(1, ret, "io_uring: queue init");
 
-	ret = io_uring_register_notifications(&ring, 1, b);
-	if (ret)
-		error(1, ret, "io_uring: tx ctx registration");
-
 	iov.iov_base = payload;
 	iov.iov_len = cfg_payload_len;
 
@@ -409,9 +387,8 @@ static void do_tx(int domain, int type, int protocol)
 		for (i = 0; i < cfg_nr_reqs; i++) {
 			unsigned zc_flags = 0;
 			unsigned buf_idx = 0;
-			unsigned slot_idx = 0;
 			unsigned mode = cfg_mode;
-			unsigned msg_flags = 0;
+			unsigned msg_flags = MSG_WAITALL;
 
 			if (cfg_mode == MODE_MIXED)
 				mode = rand() % 3;
@@ -423,13 +400,10 @@ static void do_tx(int domain, int type, int protocol)
 						   cfg_payload_len, msg_flags);
 				sqe->user_data = NONZC_TAG;
 			} else {
-				if (cfg_flush) {
-					zc_flags |= IORING_RECVSEND_NOTIF_FLUSH;
-					compl_cqes++;
-				}
+				compl_cqes++;
 				io_uring_prep_sendzc(sqe, fd, payload,
 						     cfg_payload_len,
-						     msg_flags, slot_idx, zc_flags);
+						     msg_flags, zc_flags);
 				if (mode == MODE_ZC_FIXED) {
 					sqe->ioprio |= IORING_RECVSEND_FIXED_BUF;
 					sqe->buf_index = buf_idx;
@@ -442,51 +416,57 @@ static void do_tx(int domain, int type, int protocol)
 		if (ret != cfg_nr_reqs)
 			error(1, ret, "submit");
 
+		if (cfg_cork)
+			do_setsockopt(fd, IPPROTO_UDP, UDP_CORK, 0);
 		for (i = 0; i < cfg_nr_reqs; i++) {
 			ret = io_uring_wait_cqe(&ring, &cqe);
 			if (ret)
 				error(1, ret, "wait cqe");
 
-			if (cqe->user_data == NOTIF_TAG) {
+			if (cqe->user_data != NONZC_TAG &&
+			    cqe->user_data != ZC_TAG)
+				error(1, -EINVAL, "invalid cqe->user_data");
+
+			if (cqe->flags & IORING_CQE_F_NOTIF) {
+				if (cqe->flags & IORING_CQE_F_MORE)
+					error(1, -EINVAL, "invalid notif flags");
 				compl_cqes--;
 				i--;
-			} else if (cqe->user_data != NONZC_TAG &&
-				   cqe->user_data != ZC_TAG) {
-				error(1, cqe->res, "invalid user_data");
-			} else if (cqe->res <= 0 && cqe->res != -EAGAIN) {
+			} else if (cqe->res <= 0) {
+				if (cqe->flags & IORING_CQE_F_MORE)
+					error(1, cqe->res, "more with a failed send");
 				error(1, cqe->res, "send failed");
 			} else {
-				if (cqe->res > 0) {
-					packets++;
-					bytes += cqe->res;
-				}
-				/* failed requests don't flush */
-				if (cfg_flush &&
-				    cqe->res <= 0 &&
-				    cqe->user_data == ZC_TAG)
-					compl_cqes--;
+				if (cqe->user_data == ZC_TAG &&
+				    !(cqe->flags & IORING_CQE_F_MORE))
+					error(1, cqe->res, "missing more flag");
+				packets++;
+				bytes += cqe->res;
 			}
 			io_uring_cqe_seen(&ring);
 		}
-		if (cfg_cork)
-			do_setsockopt(fd, IPPROTO_UDP, UDP_CORK, 0);
 	} while (gettimeofday_ms() < tstop);
 
-	if (close(fd))
-		error(1, errno, "close");
-
-	fprintf(stderr, "tx=%lu (MB=%lu), tx/s=%lu (MB/s=%lu)\n",
-			packets, bytes >> 20,
-			packets / (cfg_runtime_ms / 1000),
-			(bytes >> 20) / (cfg_runtime_ms / 1000));
-
 	while (compl_cqes) {
 		ret = io_uring_wait_cqe(&ring, &cqe);
 		if (ret)
 			error(1, ret, "wait cqe");
+		if (cqe->flags & IORING_CQE_F_MORE)
+			error(1, -EINVAL, "invalid notif flags");
+		if (!(cqe->flags & IORING_CQE_F_NOTIF))
+			error(1, -EINVAL, "missing notif flag");
+
 		io_uring_cqe_seen(&ring);
 		compl_cqes--;
 	}
+
+	fprintf(stderr, "tx=%lu (MB=%lu), tx/s=%lu (MB/s=%lu)\n",
+			packets, bytes >> 20,
+			packets / (cfg_runtime_ms / 1000),
+			(bytes >> 20) / (cfg_runtime_ms / 1000));
+
+	if (close(fd))
+		error(1, errno, "close");
 }
 
 static void do_test(int domain, int type, int protocol)
@@ -500,8 +480,8 @@ static void do_test(int domain, int type, int protocol)
 
 static void usage(const char *filepath)
 {
-	error(1, 0, "Usage: %s [-f] [-n<N>] [-z0] [-s<payload size>] "
-		    "(-4|-6) [-t<time s>] -D<dst_ip> udp", filepath);
+	error(1, 0, "Usage: %s (-4|-6) (udp|tcp) -D<dst_ip> [-s<payload size>] "
+		    "[-t<time s>] [-n<batch>] [-p<port>] [-m<mode>]", filepath);
 }
 
 static void parse_opts(int argc, char **argv)
@@ -519,7 +499,7 @@ static void parse_opts(int argc, char **argv)
 		usage(argv[0]);
 	cfg_payload_len = max_payload_len;
 
-	while ((c = getopt(argc, argv, "46D:p:s:t:n:fc:m:")) != -1) {
+	while ((c = getopt(argc, argv, "46D:p:s:t:n:c:m:")) != -1) {
 		switch (c) {
 		case '4':
 			if (cfg_family != PF_UNSPEC)
@@ -548,9 +528,6 @@ static void parse_opts(int argc, char **argv)
 		case 'n':
 			cfg_nr_reqs = strtoul(optarg, NULL, 0);
 			break;
-		case 'f':
-			cfg_flush = 1;
-			break;
 		case 'c':
 			cfg_cork = strtol(optarg, NULL, 0);
 			break;
@@ -583,8 +560,6 @@ static void parse_opts(int argc, char **argv)
 
 	if (cfg_payload_len > max_payload_len)
 		error(1, 0, "-s: payload exceeds max (%d)", max_payload_len);
-	if (cfg_mode == MODE_NONZC && cfg_flush)
-		error(1, 0, "-f: only zerocopy modes support notifications");
 	if (optind != argc - 1)
 		usage(argv[0]);
 }
diff --git a/tools/testing/selftests/net/io_uring_zerocopy_tx.sh b/tools/testing/selftests/net/io_uring_zerocopy_tx.sh
index 6a65e4437640..32aa6e9dacc2 100755
--- a/tools/testing/selftests/net/io_uring_zerocopy_tx.sh
+++ b/tools/testing/selftests/net/io_uring_zerocopy_tx.sh
@@ -25,15 +25,11 @@ readonly path_sysctl_mem="net.core.optmem_max"
 # No arguments: automated test
 if [[ "$#" -eq "0" ]]; then
 	IPs=( "4" "6" )
-	protocols=( "tcp" "udp" )
 
 	for IP in "${IPs[@]}"; do
-		for proto in "${protocols[@]}"; do
-			for mode in $(seq 1 3); do
-				$0 "$IP" "$proto" -m "$mode" -t 1 -n 32
-				$0 "$IP" "$proto" -m "$mode" -t 1 -n 32 -f
-				$0 "$IP" "$proto" -m "$mode" -t 1 -n 32 -c -f
-			done
+		for mode in $(seq 1 3); do
+			$0 "$IP" udp -m "$mode" -t 1 -n 32
+			$0 "$IP" tcp -m "$mode" -t 1 -n 32
 		done
 	done
 
diff --git a/tools/testing/selftests/netfilter/nft_conntrack_helper.sh b/tools/testing/selftests/netfilter/nft_conntrack_helper.sh
index bf6b9626c7dd..faa7778d7bd1 100755
--- a/tools/testing/selftests/netfilter/nft_conntrack_helper.sh
+++ b/tools/testing/selftests/netfilter/nft_conntrack_helper.sh
@@ -102,26 +102,42 @@ check_for_helper()
 
 	ip netns exec ${netns} conntrack -L -f $family -p tcp --dport $port 2> /dev/null |grep -q 'helper=ftp'
 	if [ $? -ne 0 ] ; then
-		echo "FAIL: ${netns} did not show attached helper $message" 1>&2
-		ret=1
+		if [ $autoassign -eq 0 ] ;then
+			echo "FAIL: ${netns} did not show attached helper $message" 1>&2
+			ret=1
+		else
+			echo "PASS: ${netns} did not show attached helper $message" 1>&2
+		fi
+	else
+		if [ $autoassign -eq 0 ] ;then
+			echo "PASS: ${netns} connection on port $port has ftp helper attached" 1>&2
+		else
+			echo "FAIL: ${netns} connection on port $port has ftp helper attached" 1>&2
+			ret=1
+		fi
 	fi
 
-	echo "PASS: ${netns} connection on port $port has ftp helper attached" 1>&2
 	return 0
 }
 
 test_helper()
 {
 	local port=$1
-	local msg=$2
+	local autoassign=$2
+
+	if [ $autoassign -eq 0 ] ;then
+		msg="set via ruleset"
+	else
+		msg="auto-assign"
+	fi
 
 	sleep 3 | ip netns exec ${ns2} nc -w 2 -l -p $port > /dev/null &
 
 	sleep 1 | ip netns exec ${ns1} nc -w 2 10.0.1.2 $port > /dev/null &
 	sleep 1
 
-	check_for_helper "$ns1" "ip $msg" $port
-	check_for_helper "$ns2" "ip $msg" $port
+	check_for_helper "$ns1" "ip $msg" $port $autoassign
+	check_for_helper "$ns2" "ip $msg" $port $autoassign
 
 	wait
 
@@ -173,9 +189,9 @@ if [ $? -ne 0 ];then
 	fi
 fi
 
-test_helper 2121 "set via ruleset"
-ip netns exec ${ns1} sysctl -q 'net.netfilter.nf_conntrack_helper=1'
-ip netns exec ${ns2} sysctl -q 'net.netfilter.nf_conntrack_helper=1'
-test_helper 21 "auto-assign"
+test_helper 2121 0
+ip netns exec ${ns1} sysctl -qe 'net.netfilter.nf_conntrack_helper=1'
+ip netns exec ${ns2} sysctl -qe 'net.netfilter.nf_conntrack_helper=1'
+test_helper 21 1
 
 exit $ret