smsm_unmask_irq(9)

💅 smsm_unmask_irq(9) 💅

okay bestie, welcome to the Kernel API Manual ✨ this one's a lil function page and it's honestly lowkey iconic, so let's get into it 🫶

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✨ NAME ✨

smsm_unmask_irq — subscribe to cascades of IRQs of a certain status bit 🎀

like, you're signing your CPU up for the group chat that is this status bit's interrupt notifications, no cap 💌

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🌸 SYNOPSIS 🌸

void smsm_unmask_irq (struct irq_data *irqd );

that's it. that's the whole vibe. one argument, returns nothing (void), main character energy only 👑

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🦋 ARGUMENTS 🦋

• irqd — the IRQ handle that's getting unmasked. it's an struct irq_data * and it's literally the thing you're waking back up 💫

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🍓 DESCRIPTION 🍓

so here's the tea ☕ — this function subscribes the local CPU to interrupts whenever the defined status bit changes. so like, any time that bit does something, your local CPU gets the notification. obsessed 😭

and that's not all — the bit is also marked for cascading. yes bestie, both things. the subscribing AND the cascading. it's giving multitasking 💅

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🧚 SEE ALSO 🧚

• Kernel file ./drivers/soc/qcom/smsm.c
• struct qcom_smsm(9)
• struct smsm_entry(9)
• struct smsm_host(9)
• smsm_update_bits(9)
• smsm_intr(9)
• smsm_mask_irq(9)
• smsm_set_irq_type(9)
• smsm_irq_map(9)
• smsm_parse_mbox(9)
• smsm_parse_ipc(9)
• smsm_inbound_entry(9)
• smsm_get_size_info(9)

the whole smsm friend group fr fr, go read them all, iykyk 🌈

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ngl this page is short but she ate 💀 no warnings, no exit statuses, no bugs listed — just pure unmasking realness. periodt.

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and that's a wrap, babe 🌸✨ this page came from ./drivers/soc/qcom and it's dated October 2026 — mwah, love you, go unmask those IRQs responsibly 💖🎀🦋