__acquire_shared_ret(9)

✨ __acquire_shared_ret(9) ✨

okay so bestie, welcome to the Kernel API Manual 💅 this one's a lil helper macro and she's lowkey iconic for what she does — let's get into it 🫶

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🌸 NAME 🌸

__acquire_shared_ret — the helper that acquires the context lock shared of a return value 🎀

like, literally what it says on the tin, no cap.

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✨ SYNOPSIS ✨

__acquire_shared_ret (call , ret_expr );

that's the whole vibe. two things go in, annotation magic comes out 🌈

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🦋 ARGUMENTS 🦋

• call — the call expression 💫 like, the actual thing you're calling, bestie.
• ret_expr — the acquire shared expression that uses __ret 👑 this is the part where __ret shows up and does her main character thing.

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💜 SEE ALSO 💜

all her besties live in the kernel file ./include/linux/compiler-context-analysis.h 📁 so go say hi to the whole group chat:

• __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)
• __acquire(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)

like, the entire context-analysis friend group fr fr 🧚💖

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okay that's the page!! mwah 💋 this one came from ./include/linux and she's dated October 2026 ⭐ so if you're reading this from the future — hi, slay, hope the kernel's treating you well 🌸🎀💜