sdma_v5_2_ri...mit_vm_flush(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… sdma_v5_2_ring_emit_vm_flush β€” the kernel api manual, bestie edition πŸŽ€

okay so this page lives in the Kernel API Manual section 9 and the whole title is sdma_v5_2_ring_emit_vm_flush(9) β€” say it with me, it's a mouthful, but we move ✨


🌸 NAME 🌸

sdma_v5_2_ring_emit_vm_flush β€” vm flush using sDMA. that's the whole vibe, no cap πŸ’–


✨ SYNOPSIS ✨

void sdma_v5_2_ring_emit_vm_flush (struct amdgpu_ring *ring , unsigned
vmid , uint64_t pd_addr );

literally just three things going in, nothing coming back out. void return, she doesn't do receipts πŸ’…


πŸ¦‹ ARGUMENTS πŸ¦‹

  • ring β€” an amdgpu_ring pointer. yes it's a pointer. yes you need one. 🫢
  • vmid β€” the vmid number to use. that's the number, bestie, pick one πŸ”₯
  • pd_addr β€” address. that's it, that's the description, an address πŸ’€

πŸ‘‘ DESCRIPTION πŸ‘‘

Update the page table base and flush the VM TLB using sDMA. 🌈

that's the entire plot and honestly? iconic. two jobs: page table base gets updated, VM TLB gets flushed, sDMA is the one doing the work. main character energy fr fr πŸŽ€


⭐ SEE ALSO ⭐

the full squad, in order, no one left behind 🫢:


sign-off time πŸ§šπŸ’œ

this little page came from ./drivers/gpu/drm/amd/amdgpu and it's dated October 2026, filed under sdma_v5_2_ri...mit_vm_flush(9) β€” yes the header truncates the name too, she's doing her best 😭 go read the source, ily, bye πŸ’–πŸ“

πŸ“¦ where this page comes from