sdma_v2_4_ri...mit_vm_flush(9)

📦 version 7.3.1, in nixpkgs unstable

💅 sdma_v2_4_ring_emit_vm_flush(9) — from the Kernel API Manual, bestie 🎀

okay so you found your way into the sdma_v2_4_ring_emit_vm_flush(9) page, which lives in the Kernel API Manual and honestly? it's a little baddie of a function. let's get into it ✨

🌸 NAME 🌸

sdma_v2_4_ring_emit_vm_flush — cik vm flush using sDMA 💫

like, the floofy little function that handles the CIK VM flush and does it all through sDMA. no cap.

✨ SYNOPSIS ✨

void sdma_v2_4_ring_emit_vm_flush (struct amdgpu_ring *ring , unsigned
vmid , uint64_t pd_addr );

returns void, so no little return value to obsess over — it just does the thing and dips 🫶

🎀 ARGUMENTS 🎀

  • ring — an amdgpu_ring pointer. yeah, the ring itself, the whole main character 👑
  • vmid — the vmid number to use. pick one, bestie, and commit 💅
  • pd_addr — an address. that's it, that's the description, an address, iconic brevity fr fr 🦋

💖 DESCRIPTION 💖

Update the page table base and flush the VM TLB using sDMA (VI). 🌀🔥

that's literally the whole job: page table base gets updated, VM TLB gets flushed, and sDMA is the one carrying it out. ate and left no crumbs.

🌈 SEE ALSO 🌈

the kernel file itself lives at ./drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c — go say hi, it's right there 🧚

and here's the whole friend group, all of them, every single one, no gatekeeping:

so yeah, that's the whole page 💜 this one came out of ./drivers/gpu/drm/amd/amdgpu and it's dated October 2026 — go off, calendar queen 📅✨ mwah, see u in the next manpage bestie 💋🎀🦋

📦 where this page comes from