sbi_remote_fence_i(9)

💖 NAME 💖

okay so this is sbi_remote_fence_i(9), straight from the Kernel API Manual, and it is literally the “Execute FENCE.I instruction on given remote harts” vibe. no cap. 🫶

✨ SYNOPSIS ✨

int sbi_remote_fence_i (const struct cpumask *cpu_mask );

🎀 ARGUMENTS 🎀

• cpu_mask — a cpu mask containing all the target harts. like, every hart you want in on the fence-y situation goes in here. 💅

🌸 RETURN 🌸

0 on success, appropriate linux error code otherwise. that’s the whole mood. ✨

🦋 SEE ALSO 🦋

Kernel file ./arch/riscv/kernel/sbi.c — and these besties too, fr fr:

• sbi_console_putchar(9)
• sbi_console_getchar(9)
• sbi_shutdown(9)
• __sbi_set_timer_v01(9)
• sbi_fwft_set(9)
• sbi_fwft_set_cpumask(9)
• sbi_set_timer(9)
• sbi_send_ipi(9)
• sbi_remote_sfence_vma_asid(9)
• sbi_remote_hfence_gvma(9)
• sbi_remote_hfence_gvma_vmid(9)
• sbi_remote_hfence_vvma(9)
• sbi_remote_hfence_vvma_asid(9)
• sbi_probe_extension(9)

🫶 from the ./arch/riscv/kernel source, October 2026 — bye bestie, go slay those remote harts 💅