rdtgroup_locksetup_exit(9)

🌸 NAME 🌸

rdtgroup_locksetup_exit — resource group exist locksetup mode. This is the Kernel API Manual page for it, title and all: rdtgroup_locksetup_exit(9) 🫶 okay so if you're here, you're probably dealing with a resource group and locksetup mode, and honestly? iconic.

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✨ SYNOPSIS ✨

int rdtgroup_locksetup_exit (struct rdtgroup *rdtgrp );

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🎀 ARGUMENTS 🎀

• rdtgrp — resource group. that's the one and only argument, bestie; it's the resource group we're dealing with 💅

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🦋 DESCRIPTION 🦋

okay so the vibe is: when a resource group exits locksetup mode, the earlier restrictions get lifted. That's the whole story. The restrictions from before are no longer holding you back — they're gone, periodt. ✨

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🌈 RETURN 🌈

Success? You get 0. Failure? You get a value <0. slay for 0, sad little negative for the fail case 😭.

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👑 SEE ALSO 👑

Kernel file ./fs/resctrl/pseudo_lock.c — and the whole reference crew:

• pseudo_lock_minor_get(9)
• pseudo_lock_minor_release(9)
• region_find_by_minor(9)
• struct pseudo_lock_pm_req(9)
• pseudo_lock_cstates_constrain(9)
• pseudo_lock_region_clear(9)
• pseudo_lock_region_init(9)
• pseudo_lock_init(9)
• pseudo_lock_region_alloc(9)
• pseudo_lock_free(9)
• rdtgroup_monitor_in_progress(9)
• rdtgroup_locksetup_user_restrict(9)
• rdtgroup_locksetup_user_restore(9)
• rdtgroup_locksetup_enter(9)
• rdtgroup_cbm_overlaps_pseudo_locked(9)
• rdtgroup_pseudo_locked_in_hierarchy(9)
• pseudo_lock_measure_cycles(9)
• rdtgroup_pseudo_lock_create(9)
• rdtgroup_pseudo_lock_remove(9)

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mwah 💋 — source/version: ./fs/resctrl; date: October 2026; page: rdtgroup_locksetup_exit(9). periodt. 💅