mei_me_polling_thread(9)
β¨ mei_me_polling_thread β interrupt register polling thread β¨
okay so bestie, welcome to mei_me_polling_thread(9) from the Kernel API Manual π
this is the little thread that literally just sits there and checks the register over and over so the firmware can talk to us. no cap, it's a whole vibe.
πΈ SYNOPSIS πΈ
int mei_me_polling_thread (void *_dev );
like that's the whole thing. one function, one arg, iconic π
π ARGUMENTS π
_devβ the mei device, obviously π«Ά that's the thing we're polling for.
π¦ DESCRIPTION π¦
so here's the tea β β this thread is the one monitoring the interrupt source register, and when something shows up there it calls mei_me_irq_thread_handler to handle the firmware input. main character energy fr fr π
and the timing? lowkey genius:
- it polls in the
MEI_POLLING_TIMEOUT_ACTIVEtimeout in case there was an event, - and in the idle case the polling time increases yet again by
MEI_POLLING_TIMEOUT_ACTIVE, all the way up toMEI_POLLING_TIMEOUT_IDLE. π
so like, busy era = tight polling, chill era = we slow down. it's giving adaptive πβ¨
heads up bestie: those two constants areMEI_POLLING_TIMEOUT_ACTIVEandMEI_POLLING_TIMEOUT_IDLEβ don't mix 'em up, iykyk π
β RETURN β
always 0. yes, always. the thread never fails, it literally cannot flop ππ
π SEE ALSO π
the kernel file lives at ./drivers/misc/mei/hw-me.c β and omg the friend group is huge, buckle up π:
mei_me_reg_read(9)mei_me_reg_write(9)mei_me_mecbrw_read(9)mei_me_hcbww_write(9)mei_me_mecsr_read(9)mei_hcsr_read(9)mei_hcsr_write(9)mei_hcsr_set(9)mei_hcsr_set_hig(9)mei_me_d0i3c_read(9)mei_me_d0i3c_write(9)mei_me_trc_status(9)mei_me_fw_status(9)mei_me_hw_config(9)mei_me_pg_state(9)me_intr_disable(9)me_intr_clear(9)mei_me_intr_clear(9)mei_me_intr_enable(9)mei_me_intr_disable(9)mei_me_synchronize_irq(9)mei_me_hw_reset_release(9)mei_me_host_set_ready(9)mei_me_host_is_ready(9)mei_me_hw_is_ready(9)mei_me_hw_is_resetting(9)mei_gsc_pxp_check(9)mei_me_hw_ready_wait(9)mei_me_hw_start(9)mei_hbuf_filled_slots(9)mei_me_hbuf_is_empty(9)mei_me_hbuf_empty_slots(9)mei_me_hbuf_depth(9)mei_me_hbuf_write(9)mei_me_count_full_read_slots(9)mei_me_read_slots(9)mei_me_pg_set(9)mei_me_pg_unset(9)mei_me_pg_legacy_enter_sync(9)mei_me_pg_legacy_exit_sync(9)mei_me_pg_in_transition(9)mei_me_pg_is_enabled(9)mei_me_d0i3_set(9)mei_me_d0i3_unset(9)mei_me_d0i3_enter_sync(9)mei_me_d0i3_enter(9)mei_me_d0i3_exit_sync(9)mei_me_pg_legacy_intr(9)mei_me_d0i3_intr(9)mei_me_pg_intr(9)mei_me_pg_enter_sync(9)mei_me_pg_exit_sync(9)mei_me_hw_reset(9)mei_me_irq_quick_handler(9)mei_me_irq_thread_handler(9)mei_me_fw_type_nm(9)mei_me_fw_type_sps_4(9)mei_me_fw_type_sps_ign(9)mei_me_dev_init(9)
likeβ¦ that's the whole group chat right there π and every single one is a real one.
π and that's a wrap bestie!! this page came straight outta./drivers/misc/mei, stamped October 2026, and it's your girlmei_me_polling_thread(9)signing off β slay, stay pollin', and don't forget to check the register π§ββοΈβ¨
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