kcsan_flat_atomic_end(9)

✨ kcsan_flat_atomic_end(9) ✨

okay so bestie, welcome to the Kernel API Manual — this one's a Kernel API Manual page, it lives in the ./include/linux directory, and it's dated October 2026. Let's get into it 💅

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🌸 NAME 🌸

kcsan_flat_atomic_end — end flat atomic region. that's it. that's the whole vibe. closing time for your flat atomic region, bestie 🫶

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🦋 SYNOPSIS 🦋

void kcsan_flat_atomic_end (void );

literally takes nothing, returns nothing, just ends things. icon behaviour 👑

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🎀 ARGUMENTS 🎀

• void — no arguments. none. zero. the void is voiding 💀 no cap, you don't pass it a single thing.

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🔥 SEE ALSO 🔥

okay so the whole friend group shows up here, no gatekeeping 😭 — and they're all chillin' in the kernel file ./include/linux/kcsan-checks.h:

• __kcsan_check_access(9)
• __kcsan_mb(9)
• __kcsan_wmb(9)
• __kcsan_rmb(9)
• __kcsan_release(9)
• kcsan_disable_current(9)
• kcsan_enable_current(9)
• kcsan_nestable_atomic_begin(9)
• kcsan_nestable_atomic_end(9)
• kcsan_flat_atomic_begin(9)
• kcsan_atomic_next(9)
• kcsan_set_access_mask(9)
• kcsan_begin_scoped_access(9)
• kcsan_end_scoped_access(9)
• __kcsan_check_read(9)
• __kcsan_check_write(9)
• __kcsan_check_read_write(9)
• kcsan_check_read(9)
• kcsan_check_write(9)
• kcsan_check_read_write(9)
• ASSERT_EXCLUSIVE_WRITER(9)
• ASSERT_EXCLUSIVE_WRITER_SCOPED(9)
• ASSERT_EXCLUSIVE_ACCESS(9)
• ASSERT_EXCLUSIVE_ACCESS_SCOPED(9)
• ASSERT_EXCLUSIVE_BITS(9)

like, the entire squad fr fr — if you're ending a flat atomic region you probably already met its counterpart kcsan_flat_atomic_begin(9), iykyk 🌈

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ngl bestie, that's the whole page — short and sweet, main character energy from start to finish 🧚

and that's a wrap on this lil' ./include/linux moment, dated October 2026 — go forth and un-flat your atomics, slay 💖⭐🍓