xe_guc_ct_fast_path(9)

🌸 NAME 🌸

xe_guc_ct_fast_path — process critical G2H in the IRQ handler 💅

okay bestie, welcome to the Kernel API Manual glow-up for xe_guc_ct_fast_path(9). This function is lowkey the main character of the IRQ-handling moment, and its whole assignment is processing critical G2H in the IRQ handler. Periodt. ✨

✨ SYNOPSIS ✨

void xe_guc_ct_fast_path (struct xe_guc_ct *ct );

🎀 ARGUMENTS 🎀

• ct — the GuC CT object, aka the bestie this function is working with 🫶

💅 DESCRIPTION 💅

Anything related to page faults is critical for performance, so this function processes these critical G2H in the IRQ. That's the assignment, and it ate. 🔥

This is safe because these handlers either just wake up waiters or queue another worker. No cap — that's literally the safety note, and it's giving "small but mighty" energy. ✨

🦋 SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/xe/xe_guc_ct.c
• GuC CTB Blob(9)
• xe_guc_ct_queue_proc_time_jiffies(9)
• xe_guc_ct_init_post_hwconfig(9)
• xe_guc_ct_restart(9)
• xe_guc_ct_enable(9)
• xe_guc_ct_disable(9)
• xe_guc_ct_flush_and_stop(9)
• xe_guc_ct_stop(9)
• xe_guc_ct_runtime_suspend(9)
• xe_guc_ct_runtime_resume(9)
• xe_guc_ct_send(9)
• xe_guc_ct_send_recv(9)
• xe_guc_ct_snapshot_capture(9)
• xe_guc_ct_snapshot_print(9)
• xe_guc_ct_snapshot_free(9)
• xe_guc_ct_print(9)

xoxo, your Kernel API Manual bestie 💖 — source spot: ./drivers/gpu/drm/xe, dated October 2026, for xe_guc_ct_fast_path(9). 🎀