__acquire(9)

💅 __acquire — the manual page, but make it make sense

okay so bestie, welcome to __acquire(9) — that's section 9 of the Kernel API Manual, iykyk 👑 this one's short and honestly kind of iconic for how little it does.

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✨ NAME ✨

__acquire — the function that "acquires" a context lock exclusively. and by "acquires" I mean it literally does nothing, we'll get there 🫶

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🌸 SYNOPSIS 🌸

__acquire (x );

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🎀 ARGUMENTS 🎀

• x — the context lock instance pointer, aka the thing you're pretending to lock 🔥

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🦋 DESCRIPTION 🦋

okay so here's the tea 💀 __acquire is a no-op function. like, it does not do anything. zero. nothing. it exists purely so that you can say "hey, this code acquires the given context lock instance x exclusively" — and the annotation tools believe you.

that's the whole vibe. no runtime behaviour, just a little note-to-self in function form. it's giving annotation main character energy ✨

ngl it feels illegal to have a whole manpage for a function that does nothing, but context analysis is serious business and we respect her 💅

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🌈 SEE ALSO 🌈

• Kernel file ./include/linux/compiler-context-analysis.h
• __guarded_by(9)
• __pt_guarded_by(9)
• context_lock_struct(9)
• disable_context_analysis(9)
• enable_context_analysis(9)
• __no_context_analysis(9)
• context_unsafe(9)
• __context_unsafe(9)
• context_unsafe_alias(9)
• token_context_lock(9)
• token_context_lock_instance(9)
• __must_hold(9)
• __must_not_hold(9)
• __acquires(9)
• __cond_acquires(9)
• __releases(9)
• __cond_releases(9)
• __release(9)
• __must_hold_shared(9)
• __acquires_shared(9)
• __cond_acquires_shared(9)
• __releases_shared(9)
• __acquire_shared(9)
• __release_shared(9)
• __acquire_ret(9)
• __acquire_shared_ret(9)

like yes that's a lot of friends but they're all part of the same context-analysis fam, go say hi 🧚

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that's the whole page bestie!! short, sweet, does absolutely nothing, and we're obsessed with her for it 💖 mwah 🫶

this lil drop came from ./include/linux in the __acquire(9) slot, dated October 2026 — catch you in the next one, slay ⭐👑