19 files changed, 222 insertions, 134 deletions

diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c
index cacd66ad7926..a2b233fdb572 100644
--- a/tools/gpio/gpio-event-mon.c
+++ b/tools/gpio/gpio-event-mon.c
@@ -107,8 +107,8 @@ int monitor_device(const char *device_name,
 			ret = -EIO;
 			break;
 		}
-		fprintf(stdout, "GPIO EVENT at %llu on line %d (%d|%d) ",
-			event.timestamp_ns, event.offset, event.line_seqno,
+		fprintf(stdout, "GPIO EVENT at %" PRIu64 " on line %d (%d|%d) ",
+			(uint64_t)event.timestamp_ns, event.offset, event.line_seqno,
 			event.seqno);
 		switch (event.id) {
 		case GPIO_V2_LINE_EVENT_RISING_EDGE:
diff --git a/tools/gpio/gpio-watch.c b/tools/gpio/gpio-watch.c
index f229ec62301b..41e76d244192 100644
--- a/tools/gpio/gpio-watch.c
+++ b/tools/gpio/gpio-watch.c
@@ -10,6 +10,7 @@
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <inttypes.h>
 #include <linux/gpio.h>
 #include <poll.h>
 #include <stdbool.h>
@@ -86,8 +87,8 @@ int main(int argc, char **argv)
 				return EXIT_FAILURE;
 			}
 
-			printf("line %u: %s at %llu\n",
-			       chg.info.offset, event, chg.timestamp_ns);
+			printf("line %u: %s at %" PRIu64 "\n",
+			       chg.info.offset, event, (uint64_t)chg.timestamp_ns);
 		}
 	}
 
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index cfcdbd7be066..17465d454a0e 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -367,21 +367,13 @@ static struct perf_mmap* perf_evlist__alloc_mmap(struct perf_evlist *evlist, boo
 	return map;
 }
 
-static void perf_evlist__set_sid_idx(struct perf_evlist *evlist,
-				     struct perf_evsel *evsel, int idx, int cpu,
-				     int thread)
+static void perf_evsel__set_sid_idx(struct perf_evsel *evsel, int idx, int cpu, int thread)
 {
 	struct perf_sample_id *sid = SID(evsel, cpu, thread);
 
 	sid->idx = idx;
-	if (evlist->cpus && cpu >= 0)
-		sid->cpu = evlist->cpus->map[cpu];
-	else
-		sid->cpu = -1;
-	if (!evsel->system_wide && evlist->threads && thread >= 0)
-		sid->tid = perf_thread_map__pid(evlist->threads, thread);
-	else
-		sid->tid = -1;
+	sid->cpu = perf_cpu_map__cpu(evsel->cpus, cpu);
+	sid->tid = perf_thread_map__pid(evsel->threads, thread);
 }
 
 static struct perf_mmap*
@@ -500,8 +492,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
 			if (perf_evlist__id_add_fd(evlist, evsel, cpu, thread,
 						   fd) < 0)
 				return -1;
-			perf_evlist__set_sid_idx(evlist, evsel, idx, cpu,
-						 thread);
+			perf_evsel__set_sid_idx(evsel, idx, cpu, thread);
 		}
 	}
 
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 5f8d3eed78a1..4bd30315eb62 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2928,14 +2928,10 @@ int check(struct objtool_file *file)
 	warnings += ret;
 
 out:
-	if (ret < 0) {
-		/*
-		 *  Fatal error.  The binary is corrupt or otherwise broken in
-		 *  some way, or objtool itself is broken.  Fail the kernel
-		 *  build.
-		 */
-		return ret;
-	}
-
+	/*
+	 *  For now, don't fail the kernel build on fatal warnings.  These
+	 *  errors are still fairly common due to the growing matrix of
+	 *  supported toolchains and their recent pace of change.
+	 */
 	return 0;
 }
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
index be89c741ba9a..d8421e1d06be 100644
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -380,8 +380,11 @@ static int read_symbols(struct elf *elf)
 
 	symtab = find_section_by_name(elf, ".symtab");
 	if (!symtab) {
-		WARN("missing symbol table");
-		return -1;
+		/*
+		 * A missing symbol table is actually possible if it's an empty
+		 * .o file.  This can happen for thunk_64.o.
+		 */
+		return 0;
 	}
 
 	symtab_shndx = find_section_by_name(elf, ".symtab_shndx");
@@ -448,6 +451,13 @@ static int read_symbols(struct elf *elf)
 		list_add(&sym->list, entry);
 		elf_hash_add(elf->symbol_hash, &sym->hash, sym->idx);
 		elf_hash_add(elf->symbol_name_hash, &sym->name_hash, str_hash(sym->name));
+
+		/*
+		 * Don't store empty STT_NOTYPE symbols in the rbtree.  They
+		 * can exist within a function, confusing the sorting.
+		 */
+		if (!sym->len)
+			rb_erase(&sym->node, &sym->sec->symbol_tree);
 	}
 
 	if (stats)
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index edacfa98d073..42dad4a0f8cf 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -186,6 +186,7 @@ struct output_option {
 
 enum {
 	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
+	OUTPUT_TYPE_OTHER,
 	OUTPUT_TYPE_MAX
 };
 
@@ -283,6 +284,18 @@ static struct {
 
 		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 	},
+
+	[OUTPUT_TYPE_OTHER] = {
+		.user_set = false,
+
+		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
+			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
+			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
+
+		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
+	},
 };
 
 struct evsel_script {
@@ -343,8 +356,11 @@ static inline int output_type(unsigned int type)
 	case PERF_TYPE_SYNTH:
 		return OUTPUT_TYPE_SYNTH;
 	default:
-		return type;
+		if (type < PERF_TYPE_MAX)
+			return type;
 	}
+
+	return OUTPUT_TYPE_OTHER;
 }
 
 static inline unsigned int attr_type(unsigned int type)
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index ee94d3e8dd65..e6d3452031e5 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -162,6 +162,14 @@ static bool contains_event(struct evsel **metric_events, int num_events,
 	return false;
 }
 
+static bool evsel_same_pmu(struct evsel *ev1, struct evsel *ev2)
+{
+	if (!ev1->pmu_name || !ev2->pmu_name)
+		return false;
+
+	return !strcmp(ev1->pmu_name, ev2->pmu_name);
+}
+
 /**
  * Find a group of events in perf_evlist that correspond to those from a parsed
  * metric expression. Note, as find_evsel_group is called in the same order as
@@ -280,8 +288,7 @@ static struct evsel *find_evsel_group(struct evlist *perf_evlist,
 			 */
 			if (!has_constraint &&
 			    ev->leader != metric_events[i]->leader &&
-			    !strcmp(ev->leader->pmu_name,
-				    metric_events[i]->leader->pmu_name))
+			    evsel_same_pmu(ev->leader, metric_events[i]->leader))
 				break;
 			if (!strcmp(metric_events[i]->name, ev->name)) {
 				set_bit(ev->idx, evlist_used);
@@ -766,7 +773,6 @@ int __weak arch_get_runtimeparam(struct pmu_event *pe __maybe_unused)
 struct metricgroup_add_iter_data {
 	struct list_head *metric_list;
 	const char *metric;
-	struct metric **m;
 	struct expr_ids *ids;
 	int *ret;
 	bool *has_match;
@@ -1058,12 +1064,13 @@ static int metricgroup__add_metric_sys_event_iter(struct pmu_event *pe,
 						  void *data)
 {
 	struct metricgroup_add_iter_data *d = data;
+	struct metric *m = NULL;
 	int ret;
 
 	if (!match_pe_metric(pe, d->metric))
 		return 0;
 
-	ret = add_metric(d->metric_list, pe, d->metric_no_group, d->m, NULL, d->ids);
+	ret = add_metric(d->metric_list, pe, d->metric_no_group, &m, NULL, d->ids);
 	if (ret)
 		return ret;
 
@@ -1114,7 +1121,6 @@ static int metricgroup__add_metric(const char *metric, bool metric_no_group,
 				.metric_list = &list,
 				.metric = metric,
 				.metric_no_group = metric_no_group,
-				.m = &m,
 				.ids = &ids,
 				.has_match = &has_match,
 				.ret = &ret,
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 5390158cdb40..09cb3a6672f3 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -1249,6 +1249,8 @@ static void dump_isst_config(int arg)
 	isst_ctdp_display_information_end(outf);
 }
 
+static void adjust_scaling_max_from_base_freq(int cpu);
+
 static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 				  void *arg4)
 {
@@ -1267,6 +1269,9 @@ static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 			int pkg_id = get_physical_package_id(cpu);
 			int die_id = get_physical_die_id(cpu);
 
+			/* Wait for updated base frequencies */
+			usleep(2000);
+
 			fprintf(stderr, "Option is set to online/offline\n");
 			ctdp_level.core_cpumask_size =
 				alloc_cpu_set(&ctdp_level.core_cpumask);
@@ -1283,6 +1288,7 @@ static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
 					if (CPU_ISSET_S(i, ctdp_level.core_cpumask_size, ctdp_level.core_cpumask)) {
 						fprintf(stderr, "online cpu %d\n", i);
 						set_cpu_online_offline(i, 1);
+						adjust_scaling_max_from_base_freq(i);
 					} else {
 						fprintf(stderr, "offline cpu %d\n", i);
 						set_cpu_online_offline(i, 0);
@@ -1440,6 +1446,31 @@ static int set_cpufreq_scaling_min_max(int cpu, int max, int freq)
 	return 0;
 }
 
+static int no_turbo(void)
+{
+	return parse_int_file(0, "/sys/devices/system/cpu/intel_pstate/no_turbo");
+}
+
+static void adjust_scaling_max_from_base_freq(int cpu)
+{
+	int base_freq, scaling_max_freq;
+
+	scaling_max_freq = parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu);
+	base_freq = get_cpufreq_base_freq(cpu);
+	if (scaling_max_freq < base_freq || no_turbo())
+		set_cpufreq_scaling_min_max(cpu, 1, base_freq);
+}
+
+static void adjust_scaling_min_from_base_freq(int cpu)
+{
+	int base_freq, scaling_min_freq;
+
+	scaling_min_freq = parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu);
+	base_freq = get_cpufreq_base_freq(cpu);
+	if (scaling_min_freq < base_freq)
+		set_cpufreq_scaling_min_max(cpu, 0, base_freq);
+}
+
 static int set_clx_pbf_cpufreq_scaling_min_max(int cpu)
 {
 	struct isst_pkg_ctdp_level_info *ctdp_level;
@@ -1537,6 +1568,7 @@ static void set_scaling_min_to_cpuinfo_max(int cpu)
 			continue;
 
 		set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 0);
+		adjust_scaling_min_from_base_freq(i);
 	}
 }
 
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 21516e293d17..e808a47c839b 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -43,9 +43,9 @@ class KunitStatus(Enum):
 	BUILD_FAILURE = auto()
 	TEST_FAILURE = auto()
 
-def get_kernel_root_path():
-	parts = sys.argv[0] if not __file__ else __file__
-	parts = os.path.realpath(parts).split('tools/testing/kunit')
+def get_kernel_root_path() -> str:
+	path = sys.argv[0] if not __file__ else __file__
+	parts = os.path.realpath(path).split('tools/testing/kunit')
 	if len(parts) != 2:
 		sys.exit(1)
 	return parts[0]
@@ -171,7 +171,7 @@ def run_tests(linux: kunit_kernel.LinuxSourceTree,
 				exec_result.elapsed_time))
 	return parse_result
 
-def add_common_opts(parser):
+def add_common_opts(parser) -> None:
 	parser.add_argument('--build_dir',
 			    help='As in the make command, it specifies the build '
 			    'directory.',
@@ -183,13 +183,13 @@ def add_common_opts(parser):
 			    help='Run all KUnit tests through allyesconfig',
 			    action='store_true')
 
-def add_build_opts(parser):
+def add_build_opts(parser) -> None:
 	parser.add_argument('--jobs',
 			    help='As in the make command, "Specifies  the number of '
 			    'jobs (commands) to run simultaneously."',
 			    type=int, default=8, metavar='jobs')
 
-def add_exec_opts(parser):
+def add_exec_opts(parser) -> None:
 	parser.add_argument('--timeout',
 			    help='maximum number of seconds to allow for all tests '
 			    'to run. This does not include time taken to build the '
@@ -198,7 +198,7 @@ def add_exec_opts(parser):
 			    default=300,
 			    metavar='timeout')
 
-def add_parse_opts(parser):
+def add_parse_opts(parser) -> None:
 	parser.add_argument('--raw_output', help='don\'t format output from kernel',
 			    action='store_true')
 	parser.add_argument('--json',
@@ -256,10 +256,7 @@ def main(argv, linux=None):
 			os.mkdir(cli_args.build_dir)
 
 		if not linux:
-			linux = kunit_kernel.LinuxSourceTree()
-
-		linux.create_kunitconfig(cli_args.build_dir)
-		linux.read_kunitconfig(cli_args.build_dir)
+			linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir)
 
 		request = KunitRequest(cli_args.raw_output,
 				       cli_args.timeout,
@@ -277,10 +274,7 @@ def main(argv, linux=None):
 			os.mkdir(cli_args.build_dir)
 
 		if not linux:
-			linux = kunit_kernel.LinuxSourceTree()
-
-		linux.create_kunitconfig(cli_args.build_dir)
-		linux.read_kunitconfig(cli_args.build_dir)
+			linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir)
 
 		request = KunitConfigRequest(cli_args.build_dir,
 					     cli_args.make_options)
@@ -292,10 +286,7 @@ def main(argv, linux=None):
 			sys.exit(1)
 	elif cli_args.subcommand == 'build':
 		if not linux:
-			linux = kunit_kernel.LinuxSourceTree()
-
-		linux.create_kunitconfig(cli_args.build_dir)
-		linux.read_kunitconfig(cli_args.build_dir)
+			linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir)
 
 		request = KunitBuildRequest(cli_args.jobs,
 					    cli_args.build_dir,
@@ -309,10 +300,7 @@ def main(argv, linux=None):
 			sys.exit(1)
 	elif cli_args.subcommand == 'exec':
 		if not linux:
-			linux = kunit_kernel.LinuxSourceTree()
-
-		linux.create_kunitconfig(cli_args.build_dir)
-		linux.read_kunitconfig(cli_args.build_dir)
+			linux = kunit_kernel.LinuxSourceTree(cli_args.build_dir)
 
 		exec_request = KunitExecRequest(cli_args.timeout,
 						cli_args.build_dir,
diff --git a/tools/testing/kunit/kunit_config.py b/tools/testing/kunit/kunit_config.py
index 02ffc3a3e5dc..bdd60230764b 100644
--- a/tools/testing/kunit/kunit_config.py
+++ b/tools/testing/kunit/kunit_config.py
@@ -8,6 +8,7 @@
 
 import collections
 import re
+from typing import List, Set
 
 CONFIG_IS_NOT_SET_PATTERN = r'^# CONFIG_(\w+) is not set$'
 CONFIG_PATTERN = r'^CONFIG_(\w+)=(\S+|".*")$'
@@ -30,10 +31,10 @@ class KconfigParseError(Exception):
 class Kconfig(object):
 	"""Represents defconfig or .config specified using the Kconfig language."""
 
-	def __init__(self):
-		self._entries = []
+	def __init__(self) -> None:
+		self._entries = []  # type: List[KconfigEntry]
 
-	def entries(self):
+	def entries(self) -> Set[KconfigEntry]:
 		return set(self._entries)
 
 	def add_entry(self, entry: KconfigEntry) -> None:
diff --git a/tools/testing/kunit/kunit_json.py b/tools/testing/kunit/kunit_json.py
index 624b31b2dbd6..f5cca5c38cac 100644
--- a/tools/testing/kunit/kunit_json.py
+++ b/tools/testing/kunit/kunit_json.py
@@ -13,7 +13,7 @@ import kunit_parser
 
 from kunit_parser import TestStatus
 
-def get_json_result(test_result, def_config, build_dir, json_path):
+def get_json_result(test_result, def_config, build_dir, json_path) -> str:
 	sub_groups = []
 
 	# Each test suite is mapped to a KernelCI sub_group
diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py
index 698358c9c0d6..2076a5a2d060 100644
--- a/tools/testing/kunit/kunit_kernel.py
+++ b/tools/testing/kunit/kunit_kernel.py
@@ -11,6 +11,7 @@ import subprocess
 import os
 import shutil
 import signal
+from typing import Iterator
 
 from contextlib import ExitStack
 
@@ -39,7 +40,7 @@ class BuildError(Exception):
 class LinuxSourceTreeOperations(object):
 	"""An abstraction over command line operations performed on a source tree."""
 
-	def make_mrproper(self):
+	def make_mrproper(self) -> None:
 		try:
 			subprocess.check_output(['make', 'mrproper'], stderr=subprocess.STDOUT)
 		except OSError as e:
@@ -47,7 +48,7 @@ class LinuxSourceTreeOperations(object):
 		except subprocess.CalledProcessError as e:
 			raise ConfigError(e.output.decode())
 
-	def make_olddefconfig(self, build_dir, make_options):
+	def make_olddefconfig(self, build_dir, make_options) -> None:
 		command = ['make', 'ARCH=um', 'olddefconfig']
 		if make_options:
 			command.extend(make_options)
@@ -60,7 +61,7 @@ class LinuxSourceTreeOperations(object):
 		except subprocess.CalledProcessError as e:
 			raise ConfigError(e.output.decode())
 
-	def make_allyesconfig(self, build_dir, make_options):
+	def make_allyesconfig(self, build_dir, make_options) -> None:
 		kunit_parser.print_with_timestamp(
 			'Enabling all CONFIGs for UML...')
 		command = ['make', 'ARCH=um', 'allyesconfig']
@@ -82,7 +83,7 @@ class LinuxSourceTreeOperations(object):
 		kunit_parser.print_with_timestamp(
 			'Starting Kernel with all configs takes a few minutes...')
 
-	def make(self, jobs, build_dir, make_options):
+	def make(self, jobs, build_dir, make_options) -> None:
 		command = ['make', 'ARCH=um', '--jobs=' + str(jobs)]
 		if make_options:
 			command.extend(make_options)
@@ -100,7 +101,7 @@ class LinuxSourceTreeOperations(object):
 		if stderr:  # likely only due to build warnings
 			print(stderr.decode())
 
-	def linux_bin(self, params, timeout, build_dir):
+	def linux_bin(self, params, timeout, build_dir) -> None:
 		"""Runs the Linux UML binary. Must be named 'linux'."""
 		linux_bin = get_file_path(build_dir, 'linux')
 		outfile = get_outfile_path(build_dir)
@@ -110,41 +111,42 @@ class LinuxSourceTreeOperations(object):
 						   stderr=subprocess.STDOUT)
 			process.wait(timeout)
 
-def get_kconfig_path(build_dir):
+def get_kconfig_path(build_dir) -> str:
 	return get_file_path(build_dir, KCONFIG_PATH)
 
-def get_kunitconfig_path(build_dir):
+def get_kunitconfig_path(build_dir) -> str:
 	return get_file_path(build_dir, KUNITCONFIG_PATH)
 
-def get_outfile_path(build_dir):
+def get_outfile_path(build_dir) -> str:
 	return get_file_path(build_dir, OUTFILE_PATH)
 
 class LinuxSourceTree(object):
 	"""Represents a Linux kernel source tree with KUnit tests."""
 
-	def __init__(self):
-		self._ops = LinuxSourceTreeOperations()
+	def __init__(self, build_dir: str, load_config=True, defconfig=DEFAULT_KUNITCONFIG_PATH) -> None:
 		signal.signal(signal.SIGINT, self.signal_handler)
 
-	def clean(self):
-		try:
-			self._ops.make_mrproper()
-		except ConfigError as e:
-			logging.error(e)
-			return False
-		return True
+		self._ops = LinuxSourceTreeOperations()
+
+		if not load_config:
+			return
 
-	def create_kunitconfig(self, build_dir, defconfig=DEFAULT_KUNITCONFIG_PATH):
 		kunitconfig_path = get_kunitconfig_path(build_dir)
 		if not os.path.exists(kunitconfig_path):
 			shutil.copyfile(defconfig, kunitconfig_path)
 
-	def read_kunitconfig(self, build_dir):
-		kunitconfig_path = get_kunitconfig_path(build_dir)
 		self._kconfig = kunit_config.Kconfig()
 		self._kconfig.read_from_file(kunitconfig_path)
 
-	def validate_config(self, build_dir):
+	def clean(self) -> bool:
+		try:
+			self._ops.make_mrproper()
+		except ConfigError as e:
+			logging.error(e)
+			return False
+		return True
+
+	def validate_config(self, build_dir) -> bool:
 		kconfig_path = get_kconfig_path(build_dir)
 		validated_kconfig = kunit_config.Kconfig()
 		validated_kconfig.read_from_file(kconfig_path)
@@ -158,7 +160,7 @@ class LinuxSourceTree(object):
 			return False
 		return True
 
-	def build_config(self, build_dir, make_options):
+	def build_config(self, build_dir, make_options) -> bool:
 		kconfig_path = get_kconfig_path(build_dir)
 		if build_dir and not os.path.exists(build_dir):
 			os.mkdir(build_dir)
@@ -170,7 +172,7 @@ class LinuxSourceTree(object):
 			return False
 		return self.validate_config(build_dir)
 
-	def build_reconfig(self, build_dir, make_options):
+	def build_reconfig(self, build_dir, make_options) -> bool:
 		"""Creates a new .config if it is not a subset of the .kunitconfig."""
 		kconfig_path = get_kconfig_path(build_dir)
 		if os.path.exists(kconfig_path):
@@ -186,7 +188,7 @@ class LinuxSourceTree(object):
 			print('Generating .config ...')
 			return self.build_config(build_dir, make_options)
 
-	def build_um_kernel(self, alltests, jobs, build_dir, make_options):
+	def build_um_kernel(self, alltests, jobs, build_dir, make_options) -> bool:
 		try:
 			if alltests:
 				self._ops.make_allyesconfig(build_dir, make_options)
@@ -197,7 +199,7 @@ class LinuxSourceTree(object):
 			return False
 		return self.validate_config(build_dir)
 
-	def run_kernel(self, args=[], build_dir='', timeout=None):
+	def run_kernel(self, args=[], build_dir='', timeout=None) -> Iterator[str]:
 		args.extend(['mem=1G', 'console=tty'])
 		self._ops.linux_bin(args, timeout, build_dir)
 		outfile = get_outfile_path(build_dir)
@@ -206,6 +208,6 @@ class LinuxSourceTree(object):
 			for line in file:
 				yield line
 
-	def signal_handler(self, sig, frame):
+	def signal_handler(self, sig, frame) -> None:
 		logging.error('Build interruption occurred. Cleaning console.')
 		subprocess.call(['stty', 'sane'])
diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
index 6614ec4d0898..e8bcc139702e 100644
--- a/tools/testing/kunit/kunit_parser.py
+++ b/tools/testing/kunit/kunit_parser.py
@@ -12,32 +12,32 @@ from collections import namedtuple
 from datetime import datetime
 from enum import Enum, auto
 from functools import reduce
-from typing import List, Optional, Tuple
+from typing import Iterable, Iterator, List, Optional, Tuple
 
 TestResult = namedtuple('TestResult', ['status','suites','log'])
 
 class TestSuite(object):
-	def __init__(self):
-		self.status = None
-		self.name = None
-		self.cases = []
+	def __init__(self) -> None:
+		self.status = TestStatus.SUCCESS
+		self.name = ''
+		self.cases = []  # type: List[TestCase]
 
-	def __str__(self):
-		return 'TestSuite(' + self.status + ',' + self.name + ',' + str(self.cases) + ')'
+	def __str__(self) -> str:
+		return 'TestSuite(' + str(self.status) + ',' + self.name + ',' + str(self.cases) + ')'
 
-	def __repr__(self):
+	def __repr__(self) -> str:
 		return str(self)
 
 class TestCase(object):
-	def __init__(self):
-		self.status = None
+	def __init__(self) -> None:
+		self.status = TestStatus.SUCCESS
 		self.name = ''
-		self.log = []
+		self.log = []  # type: List[str]
 
-	def __str__(self):
-		return 'TestCase(' + self.status + ',' + self.name + ',' + str(self.log) + ')'
+	def __str__(self) -> str:
+		return 'TestCase(' + str(self.status) + ',' + self.name + ',' + str(self.log) + ')'
 
-	def __repr__(self):
+	def __repr__(self) -> str:
 		return str(self)
 
 class TestStatus(Enum):
@@ -51,7 +51,7 @@ kunit_start_re = re.compile(r'TAP version [0-9]+$')
 kunit_end_re = re.compile('(List of all partitions:|'
 			  'Kernel panic - not syncing: VFS:)')
 
-def isolate_kunit_output(kernel_output):
+def isolate_kunit_output(kernel_output) -> Iterator[str]:
 	started = False
 	for line in kernel_output:
 		line = line.rstrip()  # line always has a trailing \n
@@ -64,7 +64,7 @@ def isolate_kunit_output(kernel_output):
 		elif started:
 			yield line[prefix_len:] if prefix_len > 0 else line
 
-def raw_output(kernel_output):
+def raw_output(kernel_output) -> None:
 	for line in kernel_output:
 		print(line.rstrip())
 
@@ -72,36 +72,36 @@ DIVIDER = '=' * 60
 
 RESET = '\033[0;0m'
 
-def red(text):
+def red(text) -> str:
 	return '\033[1;31m' + text + RESET
 
-def yellow(text):
+def yellow(text) -> str:
 	return '\033[1;33m' + text + RESET
 
-def green(text):
+def green(text) -> str:
 	return '\033[1;32m' + text + RESET
 
-def print_with_timestamp(message):
+def print_with_timestamp(message) -> None:
 	print('[%s] %s' % (datetime.now().strftime('%H:%M:%S'), message))
 
-def format_suite_divider(message):
+def format_suite_divider(message) -> str:
 	return '======== ' + message + ' ========'
 
-def print_suite_divider(message):
+def print_suite_divider(message) -> None:
 	print_with_timestamp(DIVIDER)
 	print_with_timestamp(format_suite_divider(message))
 
-def print_log(log):
+def print_log(log) -> None:
 	for m in log:
 		print_with_timestamp(m)
 
 TAP_ENTRIES = re.compile(r'^(TAP|[\s]*ok|[\s]*not ok|[\s]*[0-9]+\.\.[0-9]+|[\s]*#).*$')
 
-def consume_non_diagnositic(lines: List[str]) -> None:
+def consume_non_diagnostic(lines: List[str]) -> None:
 	while lines and not TAP_ENTRIES.match(lines[0]):
 		lines.pop(0)
 
-def save_non_diagnositic(lines: List[str], test_case: TestCase) -> None:
+def save_non_diagnostic(lines: List[str], test_case: TestCase) -> None:
 	while lines and not TAP_ENTRIES.match(lines[0]):
 		test_case.log.append(lines[0])
 		lines.pop(0)
@@ -113,7 +113,7 @@ OK_NOT_OK_SUBTEST = re.compile(r'^[\s]+(ok|not ok) [0-9]+ - (.*)$')
 OK_NOT_OK_MODULE = re.compile(r'^(ok|not ok) ([0-9]+) - (.*)$')
 
 def parse_ok_not_ok_test_case(lines: List[str], test_case: TestCase) -> bool:
-	save_non_diagnositic(lines, test_case)
+	save_non_diagnostic(lines, test_case)
 	if not lines:
 		test_case.status = TestStatus.TEST_CRASHED
 		return True
@@ -139,7 +139,7 @@ SUBTEST_DIAGNOSTIC = re.compile(r'^[\s]+# (.*)$')
 DIAGNOSTIC_CRASH_MESSAGE = re.compile(r'^[\s]+# .*?: kunit test case crashed!$')
 
 def parse_diagnostic(lines: List[str], test_case: TestCase) -> bool:
-	save_non_diagnositic(lines, test_case)
+	save_non_diagnostic(lines, test_case)
 	if not lines:
 		return False
 	line = lines[0]
@@ -155,7 +155,7 @@ def parse_diagnostic(lines: List[str], test_case: TestCase) -> bool:
 
 def parse_test_case(lines: List[str]) -> Optional[TestCase]:
 	test_case = TestCase()
-	save_non_diagnositic(lines, test_case)
+	save_non_diagnostic(lines, test_case)
 	while parse_diagnostic(lines, test_case):
 		pass
 	if parse_ok_not_ok_test_case(lines, test_case):
@@ -166,7 +166,7 @@ def parse_test_case(lines: List[str]) -> Optional[TestCase]:
 SUBTEST_HEADER = re.compile(r'^[\s]+# Subtest: (.*)$')
 
 def parse_subtest_header(lines: List[str]) -> Optional[str]:
-	consume_non_diagnositic(lines)
+	consume_non_diagnostic(lines)
 	if not lines:
 		return None
 	match = SUBTEST_HEADER.match(lines[0])
@@ -179,7 +179,7 @@ def parse_subtest_header(lines: List[str]) -> Optional[str]:
 SUBTEST_PLAN = re.compile(r'[\s]+[0-9]+\.\.([0-9]+)')
 
 def parse_subtest_plan(lines: List[str]) -> Optional[int]:
-	consume_non_diagnositic(lines)
+	consume_non_diagnostic(lines)
 	match = SUBTEST_PLAN.match(lines[0])
 	if match:
 		lines.pop(0)
@@ -202,7 +202,7 @@ def max_status(left: TestStatus, right: TestStatus) -> TestStatus:
 def parse_ok_not_ok_test_suite(lines: List[str],
 			       test_suite: TestSuite,
 			       expected_suite_index: int) -> bool:
-	consume_non_diagnositic(lines)
+	consume_non_diagnostic(lines)
 	if not lines:
 		test_suite.status = TestStatus.TEST_CRASHED
 		return False
@@ -224,18 +224,17 @@ def parse_ok_not_ok_test_suite(lines: List[str],
 	else:
 		return False
 
-def bubble_up_errors(to_status, status_container_list) -> TestStatus:
-	status_list = map(to_status, status_container_list)
-	return reduce(max_status, status_list, TestStatus.SUCCESS)
+def bubble_up_errors(statuses: Iterable[TestStatus]) -> TestStatus:
+	return reduce(max_status, statuses, TestStatus.SUCCESS)
 
 def bubble_up_test_case_errors(test_suite: TestSuite) -> TestStatus:
-	max_test_case_status = bubble_up_errors(lambda x: x.status, test_suite.cases)
+	max_test_case_status = bubble_up_errors(x.status for x in test_suite.cases)
 	return max_status(max_test_case_status, test_suite.status)
 
 def parse_test_suite(lines: List[str], expected_suite_index: int) -> Optional[TestSuite]:
 	if not lines:
 		return None
-	consume_non_diagnositic(lines)
+	consume_non_diagnostic(lines)
 	test_suite = TestSuite()
 	test_suite.status = TestStatus.SUCCESS
 	name = parse_subtest_header(lines)
@@ -264,7 +263,7 @@ def parse_test_suite(lines: List[str], expected_suite_index: int) -> Optional[Te
 TAP_HEADER = re.compile(r'^TAP version 14$')
 
 def parse_tap_header(lines: List[str]) -> bool:
-	consume_non_diagnositic(lines)
+	consume_non_diagnostic(lines)
 	if TAP_HEADER.match(lines[0]):
 		lines.pop(0)
 		return True
@@ -274,7 +273,7 @@ def parse_tap_header(lines: List[str]) -> bool:
 TEST_PLAN = re.compile(r'[0-9]+\.\.([0-9]+)')
 
 def parse_test_plan(lines: List[str]) -> Optional[int]:
-	consume_non_diagnositic(lines)
+	consume_non_diagnostic(lines)
 	match = TEST_PLAN.match(lines[0])
 	if match:
 		lines.pop(0)
@@ -282,11 +281,11 @@ def parse_test_plan(lines: List[str]) -> Optional[int]:
 	else:
 		return None
 
-def bubble_up_suite_errors(test_suite_list: List[TestSuite]) -> TestStatus:
-	return bubble_up_errors(lambda x: x.status, test_suite_list)
+def bubble_up_suite_errors(test_suites: Iterable[TestSuite]) -> TestStatus:
+	return bubble_up_errors(x.status for x in test_suites)
 
 def parse_test_result(lines: List[str]) -> TestResult:
-	consume_non_diagnositic(lines)
+	consume_non_diagnostic(lines)
 	if not lines or not parse_tap_header(lines):
 		return TestResult(TestStatus.NO_TESTS, [], lines)
 	expected_test_suite_num = parse_test_plan(lines)
diff --git a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh
index 388e4492b81b..76efb1f8375e 100755
--- a/tools/testing/selftests/net/forwarding/router_mpath_nh.sh
+++ b/tools/testing/selftests/net/forwarding/router_mpath_nh.sh
@@ -203,7 +203,7 @@ multipath4_test()
 	t0_rp12=$(link_stats_tx_packets_get $rp12)
 	t0_rp13=$(link_stats_tx_packets_get $rp13)
 
-	ip vrf exec vrf-h1 $MZ -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
+	ip vrf exec vrf-h1 $MZ $h1 -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
 		-d 1msec -t udp "sp=1024,dp=0-32768"
 
 	t1_rp12=$(link_stats_tx_packets_get $rp12)
diff --git a/tools/testing/selftests/net/forwarding/router_multipath.sh b/tools/testing/selftests/net/forwarding/router_multipath.sh
index 79a209927962..464821c587a5 100755
--- a/tools/testing/selftests/net/forwarding/router_multipath.sh
+++ b/tools/testing/selftests/net/forwarding/router_multipath.sh
@@ -178,7 +178,7 @@ multipath4_test()
        t0_rp12=$(link_stats_tx_packets_get $rp12)
        t0_rp13=$(link_stats_tx_packets_get $rp13)
 
-       ip vrf exec vrf-h1 $MZ -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
+       ip vrf exec vrf-h1 $MZ $h1 -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
 	       -d 1msec -t udp "sp=1024,dp=0-32768"
 
        t1_rp12=$(link_stats_tx_packets_get $rp12)
diff --git a/tools/testing/selftests/net/xfrm_policy.sh b/tools/testing/selftests/net/xfrm_policy.sh
index 7a1bf94c5bd3..bdf450eaf60c 100755
--- a/tools/testing/selftests/net/xfrm_policy.sh
+++ b/tools/testing/selftests/net/xfrm_policy.sh
@@ -202,7 +202,7 @@ check_xfrm() {
 	# 1: iptables -m policy rule count != 0
 	rval=$1
 	ip=$2
-	lret=0
+	local lret=0
 
 	ip netns exec ns1 ping -q -c 1 10.0.2.$ip > /dev/null
 
@@ -287,6 +287,47 @@ check_hthresh_repeat()
 	return 0
 }
 
+# insert non-overlapping policies in a random order and check that
+# all of them can be fetched using the traffic selectors.
+check_random_order()
+{
+	local ns=$1
+	local log=$2
+
+	for i in $(seq 100); do
+		ip -net $ns xfrm policy flush
+		for j in $(seq 0 16 255 | sort -R); do
+			ip -net $ns xfrm policy add dst $j.0.0.0/24 dir out priority 10 action allow
+		done
+		for j in $(seq 0 16 255); do
+			if ! ip -net $ns xfrm policy get dst $j.0.0.0/24 dir out > /dev/null; then
+				echo "FAIL: $log" 1>&2
+				return 1
+			fi
+		done
+	done
+
+	for i in $(seq 100); do
+		ip -net $ns xfrm policy flush
+		for j in $(seq 0 16 255 | sort -R); do
+			local addr=$(printf "e000:0000:%02x00::/56" $j)
+			ip -net $ns xfrm policy add dst $addr dir out priority 10 action allow
+		done
+		for j in $(seq 0 16 255); do
+			local addr=$(printf "e000:0000:%02x00::/56" $j)
+			if ! ip -net $ns xfrm policy get dst $addr dir out > /dev/null; then
+				echo "FAIL: $log" 1>&2
+				return 1
+			fi
+		done
+	done
+
+	ip -net $ns xfrm policy flush
+
+	echo "PASS: $log"
+	return 0
+}
+
 #check for needed privileges
 if [ "$(id -u)" -ne 0 ];then
 	echo "SKIP: Need root privileges"
@@ -438,6 +479,8 @@ check_exceptions "exceptions and block policies after htresh change to normal"
 
 check_hthresh_repeat "policies with repeated htresh change"
 
+check_random_order ns3 "policies inserted in random order"
+
 for i in 1 2 3 4;do ip netns del ns$i;done
 
 exit $ret
diff --git a/tools/testing/selftests/powerpc/alignment/alignment_handler.c b/tools/testing/selftests/powerpc/alignment/alignment_handler.c
index cb53a8b777e6..c25cf7cd45e9 100644
--- a/tools/testing/selftests/powerpc/alignment/alignment_handler.c
+++ b/tools/testing/selftests/powerpc/alignment/alignment_handler.c
@@ -443,7 +443,6 @@ int test_alignment_handler_integer(void)
 	LOAD_DFORM_TEST(ldu);
 	LOAD_XFORM_TEST(ldx);
 	LOAD_XFORM_TEST(ldux);
-	LOAD_DFORM_TEST(lmw);
 	STORE_DFORM_TEST(stb);
 	STORE_XFORM_TEST(stbx);
 	STORE_DFORM_TEST(stbu);
@@ -462,7 +461,11 @@ int test_alignment_handler_integer(void)
 	STORE_XFORM_TEST(stdx);
 	STORE_DFORM_TEST(stdu);
 	STORE_XFORM_TEST(stdux);
+
+#ifdef __BIG_ENDIAN__
+	LOAD_DFORM_TEST(lmw);
 	STORE_DFORM_TEST(stmw);
+#endif
 
 	return rc;
 }
diff --git a/tools/testing/selftests/powerpc/mm/pkey_exec_prot.c b/tools/testing/selftests/powerpc/mm/pkey_exec_prot.c
index 9e5c7f3f498a..0af4f02669a1 100644
--- a/tools/testing/selftests/powerpc/mm/pkey_exec_prot.c
+++ b/tools/testing/selftests/powerpc/mm/pkey_exec_prot.c
@@ -290,5 +290,5 @@ static int test(void)
 
 int main(void)
 {
-	test_harness(test, "pkey_exec_prot");
+	return test_harness(test, "pkey_exec_prot");
 }
diff --git a/tools/testing/selftests/powerpc/mm/pkey_siginfo.c b/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
index 4f815d7c1214..2db76e56d4cb 100644
--- a/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
+++ b/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
@@ -329,5 +329,5 @@ static int test(void)
 
 int main(void)
 {
-	test_harness(test, "pkey_siginfo");
+	return test_harness(test, "pkey_siginfo");
 }