amdgpu_vm_cpu_update(9)
π NAME π
amdgpu_vm_cpu_update β bestie, it's the helper that updates page tables via CPU β¨
So like, this little cutie is out here doing page-table updates the CPU way, no cap.
πΈ SYNOPSIS πΈ
int amdgpu_vm_cpu_update (struct amdgpu_vm_update_params *p , struct
amdgpu_bo_vm *vmbo , uint64_t pe , uint64_t addr , unsigned count ,
uint32_t incr , uint64_t flags );
π ARGUMENTS π
pβ okay so this one's just vibes-adjacent, you go see theamdgpu_vm_update_paramsdefinition for the deets π«Άvmboβ thePD/PTwe're updating, like the actual main character of this whole operationpeβ byte offset of thePDE/PTE, relative to the start ofPDB/PTB, iykykaddrβ the dst addr that gets written intope, slay πcountβ how many page entries we're updating (yes it matters, don't sleep on it)incrβ increases the next addr byincrbytes, periodtflagsβ hw access flags, iconic as always π
β¨ DESCRIPTION β¨
Write count number of PT/PD entries directly. That's it, that's the whole vibe β literally just straight-up writing them, no middleman energy π¦
π SEE ALSO π
- Kernel file
./drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c amdgpu_vm_cpu_map_table(9)amdgpu_vm_cpu_prepare(9)amdgpu_vm_cpu_commit(9)
Go read the whole friend group, they're all lowkey obsessed with each other π
and that's the page, bestie! π§ This one lives in ./drivers/gpu/drm/amd/amdgpu, it's dated October 2026, and the whole thing is filed under amdgpu_vm_cpu_update(9) β mwah, go forth and update those page tables π
πΈ
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