dma_resv_unlock(9)

💅 dma_resv_unlock — the Kernel API Manual tea ☕✨

okay so bestie, we're in the Kernel API Manual and today's main character is dma_resv_unlock(9). it's short, it's sweet, it's giving "one job and she does it." let's get into it 🫶

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✨ NAME ✨

dma_resv_unlock — unlock the reservation object 🔓💖

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🌸 SYNOPSIS 🌸

void dma_resv_unlock (struct dma_resv *obj );

literally that's the whole signature. no return value, no drama, just vibes ✨

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🎀 ARGUMENTS 🎀

• obj — the reservation object 💫 (yes queen, this is the one you're unlocking)

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🦋 DESCRIPTION 🦋

so here's the deal: dma_resv_unlock unlocks the reservation object following exclusive access. that's it. that's the whole function. she unlocks, she leaves, no notes 💅

lowkey iconic how a function can be this unbothered ngl 😭

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🔥 SEE ALSO 🔥

bestie you already know we gotta shout out the whole friend group 👑

• the Kernel file ./include/linux/dma-resv.h 📁
• enum dma_resv_usage(9)
• dma_resv_usage_rw(9)
• struct dma_resv(9)
• struct dma_resv_iter(9)
• dma_resv_iter_begin(9)
• dma_resv_iter_end(9)
• dma_resv_iter_usage(9)
• dma_resv_iter_is_restarted(9)
• dma_resv_for_each_fence_unlocked(9)
• dma_resv_for_each_fence(9)
• dma_resv_lock(9)
• dma_resv_lock_interruptible(9)
• dma_resv_lock_slow(9)
• dma_resv_lock_slow_interruptible(9)
• dma_resv_trylock(9)
• dma_resv_is_locked(9)
• dma_resv_locking_ctx(9)

like honestly, the lock family reunion is right there — go say hi 🫶✨

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and that's the whole page, no cap 💖 this lil gem lives in ./include/linux and the version stamp is October 2026, page name dma_resv_unlock(9). mwah, go unlock responsibly 🧚‍♀️🌈⭐