__kcsan_wmb(9)

💖 __kcsan_wmb(9) — Kernel API Manual 💖

okay so bestie, welcome to __kcsan_wmb(9) from the Kernel API Manual — yes, that’s the whole vibe, and we’re gonna keep it cute and exact. 🎀

✨ NAME ✨

__kcsan_wmb — write memory barrier instrumentation. that’s it, that’s the name, and it’s literally serving exactly what it says. 💅

🎀 SYNOPSIS 🎀

void __kcsan_wmb (void );

look at that signature. clean. iconic. no cap. ✨

💅 ARGUMENTS 💅

• void — no arguments. not a single one. zero. none. the void is voiding. 🫶

🦋 SEE ALSO 🦋

the kernel file is ./include/linux/kcsan-checks.h, and here’s the whole bestie list — every single one, in order, no skipping:

• __kcsan_check_access(9)
• __kcsan_mb(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_flat_atomic_end(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)

mwah 💋 this page is from ./include/linux, dated October 2026, and it’s literally __kcsan_wmb(9) — slay and goodbye, bestie. 🌈👑