+ kfence-test-use-kunit_skip-to-skip-tests.patch added to -mm tree

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The patch titled
     Subject: kfence: test: use kunit_skip() to skip tests
has been added to the -mm tree.  Its filename is
     kfence-test-use-kunit_skip-to-skip-tests.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/kfence-test-use-kunit_skip-to-skip-tests.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/kfence-test-use-kunit_skip-to-skip-tests.patch

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------------------------------------------------------
From: Marco Elver <elver@xxxxxxxxxx>
Subject: kfence: test: use kunit_skip() to skip tests

Use the new kunit_skip() to skip tests if requirements were not met.  It
makes it easier to see in KUnit's summary if there were skipped tests.

Link: https://lkml.kernel.org/r/20210922182541.1372400-1-elver@xxxxxxxxxx
Signed-off-by: Marco Elver <elver@xxxxxxxxxx>
Reviewed-by: David Gow <davidgow@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Aleksandr Nogikh <nogikh@xxxxxxxxxx>
Cc: Taras Madan <tarasmadan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/kfence/kfence_test.c |   14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

--- a/mm/kfence/kfence_test.c~kfence-test-use-kunit_skip-to-skip-tests
+++ a/mm/kfence/kfence_test.c
@@ -32,6 +32,11 @@
 #define arch_kfence_test_address(addr) (addr)
 #endif
 
+#define KFENCE_TEST_REQUIRES(test, cond) do {			\
+	if (!(cond))						\
+		kunit_skip((test), "Test requires: " #cond);	\
+} while (0)
+
 /* Report as observed from console. */
 static struct {
 	spinlock_t lock;
@@ -555,8 +560,7 @@ static void test_init_on_free(struct kun
 	};
 	int i;
 
-	if (!IS_ENABLED(CONFIG_INIT_ON_FREE_DEFAULT_ON))
-		return;
+	KFENCE_TEST_REQUIRES(test, IS_ENABLED(CONFIG_INIT_ON_FREE_DEFAULT_ON));
 	/* Assume it hasn't been disabled on command line. */
 
 	setup_test_cache(test, size, 0, NULL);
@@ -603,10 +607,8 @@ static void test_gfpzero(struct kunit *t
 	char *buf1, *buf2;
 	int i;
 
-	if (CONFIG_KFENCE_SAMPLE_INTERVAL > 100) {
-		kunit_warn(test, "skipping ... would take too long\n");
-		return;
-	}
+	/* Skip if we think it'd take too long. */
+	KFENCE_TEST_REQUIRES(test, CONFIG_KFENCE_SAMPLE_INTERVAL <= 100);
 
 	setup_test_cache(test, size, 0, NULL);
 	buf1 = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
_

Patches currently in -mm which might be from elver@xxxxxxxxxx are

kasan-fix-kconfig-check-of-cc_has_working_nosanitize_address.patch
lib-stackdepot-include-gfph.patch
lib-stackdepot-remove-unused-function-argument.patch
lib-stackdepot-introduce-__stack_depot_save.patch
kasan-common-provide-can_alloc-in-kasan_save_stack.patch
kasan-generic-introduce-kasan_record_aux_stack_noalloc.patch
workqueue-kasan-avoid-alloc_pages-when-recording-stack.patch
mm-fix-data-race-in-pagepoisoned.patch
stacktrace-move-filter_irq_stacks-to-kernel-stacktracec.patch
kfence-count-unexpectedly-skipped-allocations.patch
kfence-move-saving-stack-trace-of-allocations-into-__kfence_alloc.patch
kfence-limit-currently-covered-allocations-when-pool-nearly-full.patch
kfence-add-note-to-documentation-about-skipping-covered-allocations.patch
kfence-test-use-kunit_skip-to-skip-tests.patch




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