printk_cpu_s...t_irqrestore(9)

🌸 printk_cpu_s...t_irqrestore(9) — from the Kernel API Manual, bestie 💅

okay so real talk, this page is from the Kernel API Manual and the function name lowkey got squished in the header (printk_cpu_s...t_irqrestore(9) — the ellipsis is doing main character energy, we don't question it), but the actual star of the show is printk_cpu_sync_put_irqrestore. Let's get into it ✨

💖 NAME 💖

printk_cpu_sync_put_irqrestore — releases the printk cpu-reentrant spinning lock and restores interrupts. that's it, that's the whole job, and she ate 🔥

🎀 SYNOPSIS 🎀

printk_cpu_sync_put_irqrestore (flags );

literally one argument, she's low maintenance, we love that for her 🫶

🦋 ARGUMENTS 🦋

• flags — the caller's saved interrupt state, the one you got from printk_cpu_sync_get_irqsave. so like, you saved it, now you're giving it right back. hand it over. yep. that's the vibe 💫

🌈 SEE ALSO 🌈

kernel file ./include/linux/printk.h — and the whole friend group, no cap:

• printk_cpu_sync_get_irqsave(9)
• pr_fmt(9)
• printk(9)
• pr_emerg(9)
• pr_alert(9)
• pr_crit(9)
• pr_err(9)
• pr_warn(9)
• pr_notice(9)
• pr_info(9)
• pr_cont(9)
• pr_devel(9)
• pr_debug(9)
• print_hex_dump_bytes(9)

go follow all of them, they're iconic 👑

and that's the whole page bestie, no notes ✨ this one lives in ./include/linux and it's serving October 2026 energy, filed under printk_cpu_s...t_irqrestore(9) like the legend she is 🎀💜 byeee 🦋