Merge tag 'v5.8-rc4' into for-5.9/drivers

Merge in 5.8-rc4 for-5.9/block to setup for-5.9/drivers, to provide
a clean base and making the life for the NVMe changes easier.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

* tag 'v5.8-rc4': (732 commits)
  Linux 5.8-rc4
  x86/ldt: use "pr_info_once()" instead of open-coding it badly
  MIPS: Do not use smp_processor_id() in preemptible code
  MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen
  .gitignore: Do not track `defconfig` from `make savedefconfig`
  io_uring: fix regression with always ignoring signals in io_cqring_wait()
  x86/ldt: Disable 16-bit segments on Xen PV
  x86/entry/32: Fix #MC and #DB wiring on x86_32
  x86/entry/xen: Route #DB correctly on Xen PV
  x86/entry, selftests: Further improve user entry sanity checks
  x86/entry/compat: Clear RAX high bits on Xen PV SYSENTER
  i2c: mlxcpld: check correct size of maximum RECV_LEN packet
  i2c: add Kconfig help text for slave mode
  i2c: slave-eeprom: update documentation
  i2c: eg20t: Load module automatically if ID matches
  i2c: designware: platdrv: Set class based on DMI
  i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665
  mm/page_alloc: fix documentation error
  vmalloc: fix the owner argument for the new __vmalloc_node_range callers
  mm/cma.c: use exact_nid true to fix possible per-numa cma leak
  ...

5 files changed, 19 insertions, 6 deletions

diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 787b6d4ad716..f9b769f3437d 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -82,7 +82,9 @@ def build_tests(linux: kunit_kernel.LinuxSourceTree,
 					request.make_options)
 	build_end = time.time()
 	if not success:
-		return KunitResult(KunitStatus.BUILD_FAILURE, 'could not build kernel')
+		return KunitResult(KunitStatus.BUILD_FAILURE,
+				   'could not build kernel',
+				   build_end - build_start)
 	if not success:
 		return KunitResult(KunitStatus.BUILD_FAILURE,
 				   'could not build kernel',
diff --git a/tools/testing/kunit/kunit_config.py b/tools/testing/kunit/kunit_config.py
index e75063d603b5..02ffc3a3e5dc 100644
--- a/tools/testing/kunit/kunit_config.py
+++ b/tools/testing/kunit/kunit_config.py
@@ -10,7 +10,7 @@ import collections
 import re
 
 CONFIG_IS_NOT_SET_PATTERN = r'^# CONFIG_(\w+) is not set$'
-CONFIG_PATTERN = r'^CONFIG_(\w+)=(\S+)$'
+CONFIG_PATTERN = r'^CONFIG_(\w+)=(\S+|".*")$'
 
 KconfigEntryBase = collections.namedtuple('KconfigEntry', ['name', 'value'])
 
diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
index 64aac9dcd431..f13e0c0d6663 100644
--- a/tools/testing/kunit/kunit_parser.py
+++ b/tools/testing/kunit/kunit_parser.py
@@ -265,11 +265,9 @@ def bubble_up_suite_errors(test_suite_list: List[TestSuite]) -> TestStatus:
 	return bubble_up_errors(lambda x: x.status, test_suite_list)
 
 def parse_test_result(lines: List[str]) -> TestResult:
-	if not lines:
-		return TestResult(TestStatus.NO_TESTS, [], lines)
 	consume_non_diagnositic(lines)
-	if not parse_tap_header(lines):
-		return None
+	if not lines or not parse_tap_header(lines):
+		return TestResult(TestStatus.NO_TESTS, [], lines)
 	test_suites = []
 	test_suite = parse_test_suite(lines)
 	while test_suite:
@@ -282,6 +280,8 @@ def parse_run_tests(kernel_output) -> TestResult:
 	failed_tests = 0
 	crashed_tests = 0
 	test_result = parse_test_result(list(isolate_kunit_output(kernel_output)))
+	if test_result.status == TestStatus.NO_TESTS:
+		print_with_timestamp(red('[ERROR] ') + 'no kunit output detected')
 	for test_suite in test_result.suites:
 		if test_suite.status == TestStatus.SUCCESS:
 			print_suite_divider(green('[PASSED] ') + test_suite.name)
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index 5bb7b118ebd9..f9eeaea94cad 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -170,6 +170,17 @@ class KUnitParserTest(unittest.TestCase):
 			result.status)
 		file.close()
 
+	def test_no_kunit_output(self):
+		crash_log = get_absolute_path(
+			'test_data/test_insufficient_memory.log')
+		file = open(crash_log)
+		print_mock = mock.patch('builtins.print').start()
+		result = kunit_parser.parse_run_tests(
+			kunit_parser.isolate_kunit_output(file.readlines()))
+		print_mock.assert_any_call(StrContains("no kunit output detected"))
+		print_mock.stop()
+		file.close()
+
 	def test_crashed_test(self):
 		crashed_log = get_absolute_path(
 			'test_data/test_is_test_passed-crash.log')
diff --git a/tools/testing/kunit/test_data/test_insufficient_memory.log b/tools/testing/kunit/test_data/test_insufficient_memory.log
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/tools/testing/kunit/test_data/test_insufficient_memory.log