sdma_v5_2_ri...mit_vm_flush(9)
π sdma_v5_2_ring_emit_vm_flush β the kernel api manual, bestie edition π
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 β¨
πΈ NAME πΈ
sdma_v5_2_ring_emit_vm_flush β vm flush using sDMA. that's the whole vibe, no cap π
β¨ SYNOPSIS β¨
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 π
π¦ ARGUMENTS π¦
ringβ anamdgpu_ringpointer. yes it's a pointer. yes you need one. π«Άvmidβ the vmid number to use. that's the number, bestie, pick one π₯pd_addrβ address. that's it, that's the description, an address π
π DESCRIPTION π
Update the page table base and flush the VM TLB using sDMA. π
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 π
β SEE ALSO β
the full squad, in order, no one left behind π«Ά:
- Kernel file
./drivers/gpu/drm/amd/amdgpu/sdma_v5_2.cπ sdma_v5_2_ring_get_rptr(9)sdma_v5_2_ring_get_wptr(9)sdma_v5_2_ring_set_wptr(9)sdma_v5_2_ring_emit_ib(9)sdma_v5_2_ring_emit_mem_sync(9)sdma_v5_2_ring_emit_hdp_flush(9)sdma_v5_2_ring_emit_fence(9)sdma_v5_2_gfx_stop(9)sdma_v5_2_rlc_stop(9)sdma_v5_2_ctx_switch_enable(9)sdma_v5_2_enable(9)sdma_v5_2_gfx_resume_instance(9)sdma_v5_2_gfx_resume(9)sdma_v5_2_rlc_resume(9)sdma_v5_2_load_microcode(9)sdma_v5_2_start(9)sdma_v5_2_ring_test_ring(9)sdma_v5_2_ring_test_ib(9)sdma_v5_2_vm_copy_pte(9)sdma_v5_2_vm_write_pte(9)sdma_v5_2_vm_set_pte_pde(9)sdma_v5_2_ring_pad_ib(9)sdma_v5_2_ring_emit_pipeline_sync(9)sdma_v5_2_emit_copy_buffer(9)sdma_v5_2_emit_fill_buffer(9)
sign-off time π§π
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 π go read the source, ily, bye ππ
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