kunit_warn(9)

kunit_warn(9) 💖 Kernel API Manual energy

okay bestie, this is the Kernel API Manual page for kunit_warn — short, sweet, and lowkey iconic. 💅

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🌸 NAME 🌸

kunit_warn — prints a WARN level message associated with @test. 💖

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✨ SYNOPSIS ✨

kunit_warn (test , fmt , ... );

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🎀 ARGUMENTS 🎀

• test — the test context object. That’s the main-character test context, bestie. 🫶
• fmt — a printk style format string. Yep, exactly that vibe. ✨
• ... — variable arguments. The extra lil’ args doing their thing. 🦋

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💅 DESCRIPTION 💅

It prints a warning level message. Periodt. That’s the whole glow-up — no hidden extras, no secret side quests. 💀✨

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👀 SEE ALSO 👀

Kernel file: ./include/kunit/test.h — and here’s the whole linked crew, exactly as listed:

• enum kunit_status(9)
• struct kunit_case(9)
• KUNIT_CASE(9)
• KUNIT_CASE_ATTR(9)
• KUNIT_CASE_SLOW(9)
• KUNIT_CASE_PARAM(9)
• KUNIT_CASE_PARAM_ATTR(9)
• KUNIT_CASE_PARAM_WITH_INIT(9)
• struct kunit_suite(9)
• struct kunit(9)
• kunit_test_suites(9)
• kunit_test_init_section_suites(9)
• kunit_kmalloc_array(9)
• kunit_kmalloc(9)
• kunit_kfree(9)
• kunit_kzalloc(9)
• kunit_kcalloc(9)
• kunit_kfree_const(9)
• kunit_kstrdup(9)
• kunit_kstrdup_const(9)
• kunit_attach_mm(9)
• kunit_vm_mmap(9)
• kunit_mark_skipped(9)
• kunit_skip(9)
• kunit_info(9)
• kunit_err(9)
• KUNIT_SUCCEED(9)
• KUNIT_FAIL(9)
• KUNIT_EXPECT_TRUE(9)
• KUNIT_EXPECT_FALSE(9)
• KUNIT_EXPECT_EQ(9)
• KUNIT_EXPECT_PTR_EQ(9)
• KUNIT_EXPECT_NE(9)
• KUNIT_EXPECT_PTR_NE(9)
• KUNIT_EXPECT_LT(9)
• KUNIT_EXPECT_LE(9)
• KUNIT_EXPECT_GT(9)
• KUNIT_EXPECT_GE(9)
• KUNIT_EXPECT_STREQ(9)
• KUNIT_EXPECT_STRNEQ(9)
• KUNIT_EXPECT_MEMEQ(9)
• KUNIT_EXPECT_MEMNEQ(9)
• KUNIT_EXPECT_NULL(9)
• KUNIT_EXPECT_NOT_NULL(9)
• KUNIT_EXPECT_NOT_ERR_OR_NULL(9)
• KUNIT_FAIL_AND_ABORT(9)
• KUNIT_ASSERT_TRUE(9)
• KUNIT_ASSERT_FALSE(9)
• KUNIT_ASSERT_EQ(9)
• KUNIT_ASSERT_PTR_EQ(9)
• KUNIT_ASSERT_NE(9)
• KUNIT_ASSERT_PTR_NE(9)
• KUNIT_ASSERT_LT(9)
• KUNIT_ASSERT_LE(9)
• KUNIT_ASSERT_GT(9)
• KUNIT_ASSERT_GE(9)
• KUNIT_ASSERT_STREQ(9)
• KUNIT_ASSERT_STRNEQ(9)
• KUNIT_ASSERT_MEMEQ(9)
• KUNIT_ASSERT_MEMNEQ(9)
• KUNIT_ASSERT_NULL(9)
• KUNIT_ASSERT_NOT_NULL(9)
• KUNIT_ASSERT_NOT_ERR_OR_NULL(9)
• KUNIT_ARRAY_PARAM(9)
• KUNIT_ARRAY_PARAM_DESC(9)
• kunit_register_params_array(9)
• kunit_warning_suppress(9)
• KUNIT_SUPPRESSED_WARNING_COUNT(9)
• KUNIT_EXPECT_SUPPRESSED_WARNING_COUNT(9)
• KUNIT_ASSERT_SUPPRESSED_WARNING_COUNT(9)

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okay bye bestie — cute sign-off time 🎀: this page comes from source/version ./include/kunit, dated October 2026, and it’s kunit_warn(9) signing off. mwah 💋✨