console_trylock_spinning(9)
π console_trylock_spinning(9) π
okay so welcome to the Kernel API Manual, bestie β this is the page for console_trylock_spinning(9), and it's giving very specific console-lock energy. no cap. π
β¨ NAME β¨
console_trylock_spinning β try to get console_lock by busy waiting. that's the whole name vibe. π
πΈ SYNOPSIS πΈ
int console_trylock_spinning (void );
π ARGUMENTS π
voidβ literally no arguments. not a single one. she takes nothing. π«Ά
π¦ DESCRIPTION π¦
so here's the tea: this lets you busy wait for the console_lock when the current owner is running inside specially marked sections. translation: the current owner is actively running and cannot reschedule until it is ready to lose the lock. that's the mechanic, periodt. β¨
β RETURN β
1β we got the lock. slay. π0β otherwise. π
π₯ SEE ALSO π₯
these are all the linked pages, and they're hanging around the kernel file ./kernel/printk/printk.c:
console_list_lock(9)console_list_unlock(9)console_srcu_read_lock(9)console_srcu_read_unlock(9)console_lock_spinning_enable(9)console_lock_spinning_disable_and_check(9)printk_parse_prefix(9)add_preferred_console(9)match_devname_and_update_preferred_console(9)console_suspend_all(9)console_cpu_notify(9)console_lock(9)console_trylock(9)console_unlock(9)console_flush_on_panic(9)printk_kthreads_shutdown(9)console_force_preferred_locked(9)pr_flush(9)wake_up_klogd(9)defer_console_output(9)printk_trigger_flush(9)printk_timed_ratelimit(9)kmsg_dump_register(9)kmsg_dump_unregister(9)kmsg_dump_desc(9)kmsg_dump_get_line(9)kmsg_dump_get_buffer(9)kmsg_dump_rewind(9)console_try_replay_all(9)__printk_cpu_sync_wait(9)__printk_cpu_sync_try_get(9)__printk_cpu_sync_put(9)
mwah π source ./kernel/printk, version/date October 2026, page console_trylock_spinning(9) β bye bestie! πβ¨
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms