ivt_idle_state_table_update(9)

💅 ivt_idle_state_table_update(9) — the kernel API manual, but make it make sense

okay so bestie, welcome to the kernel API manual, Gen Z edition ✨ today's main character is ivt_idle_state_table_update(9), and honestly? she's a glow-up specialist for Ivy Town. no cap, that's the whole vibe. 💖

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✨ NAME ✨

ivt_idle_state_table_update — tune the idle states table for Ivy Town. that's it, that's the job, and she does it iconically 🎀

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🌸 SYNOPSIS 🌸

void ivt_idle_state_table_update (void );

literally takes nothing, returns nothing, just shows up and does the work. lowkey iconic 🦋

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💅 ARGUMENTS 💅

• void — no arguments. zero. nada. nothing to pass in, nothing to worry about, the function is thriving on its own 🫶

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🔥 DESCRIPTION 🔥

so what's the tea? ivt_idle_state_table_update tunes IVT multi-socket targets. that's the whole plot 💀

and here's the assumption she's built on, and we're gonna say it exactly:

num_sockets == (max_package_num + 1)

like, that's the premise, that's the ground truth she's standing on, no cap. if that math ain't mathing, that's between you and the kernel, bestie 😭

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🌈 SEE ALSO 🌈

the whole friend group, and yes we're tagging everyone, nobody gets left on read 💜:

• Kernel file ./drivers/idle/intel_idle.c
• intel_idle(9)
• intel_idle_s2idle(9)
• intel_idle_cst_usable(9)
• irtl_2_usec(9)
• bxt_idle_state_table_update(9)
• sklh_idle_state_table_update(9)
• skx_is_pc6_disabled(9)
• skx_idle_state_table_update(9)
• spr_idle_state_table_update(9)
• drop_pc6_redundant_cstates(9)
• byt_cht_auto_demotion_disable(9)
• intel_idle_cpuidle_driver_init(9)
• intel_idle_cpu_init(9)
• intel_idle_cpuidle_devices_uninit(9)
• validate_cmdline_cstate(9)
• cmdline_table_adjust(9)

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anyway that's the page 💖 she lives in the kernel file ./drivers/idle/intel_idle.c, this lil drop is from the folks over at ./drivers/idle, dated October 2026, and it's all part of the Kernel API Manual — which is also where you'll find ivt_idle_state_table_update(9), right back where you started, full circle, main character energy 👑✨ go be great bestie, and remember: idle states are a vibe check too 🧚💜