STRUCT DRM_GPUVM_EXEC(9)

📦 version 7.3.1, in nixpkgs unstable

💅 struct drm_gpuvm_exec(9) — the Kernel API Manual moment

Okay bestie, gather round, because this one is a whole vibe. This page lives in the Kernel API Manual, and it's about struct drm_gpuvm_exec, which is literally the &drm_gpuvm abstraction of &drm_exec. Yes, that's the entire NAME section, and yes, it ate. 🎀

✨ SYNOPSIS ✨

struct drm_gpuvm_exec {
    struct drm_exec exec;
    u32 flags;
    struct drm_gpuvm *vm;
    unsigned int num_fences;
    struct {
      int (*fn)(struct drm_gpuvm_exec *vm_exec);
      void *priv;
    } extra;
 };

Look at her. Gorgeous. Structured. Stack-allocated. 💖

🫶 Members 🫶

  • exec — the drm_exec structure. It's giving "the whole point" energy, honestly.
  • flags — the flags for the struct drm_exec. Little toggles, big personality.
  • vm — the drm_gpuvm to lock its DMA reservations. She's the main character, obviously.
  • num_fences — the number of fences to reserve for the dma_resv of the locked drm_gem_objects. Count 'em, bestie.
  • extra — callback plus corresponding private data, so the driver can lock arbitrary additional drm_gem_objects. Optional queen behavior. 👑
  • extra.fn — the driver callback to lock additional drm_gem_objects.
  • extra.priv — driver private data for the fn callback.

🌸 Description 🌸

Okay so here's the tea: this structure should be created on the stack, as drm_exec should be. Stack. Not heap. Don't do anything weird, iykyk. 🫶

Optionally, extra can be set in order to lock additional drm_gem_objects. That's it, that's the paragraph, and honestly? Lowkey perfect. ✨

🧚 Friendly reminder that "optionally" means optional — if you don't need the extra lock-arbitrary-drm_gem_objects behavior, you don't gotta set it. No cap.

🦋 SEE ALSO 🦋

Kernel file ./include/drm/drm_gpuvm.h — and the entire extended friend group:

Like, that's the whole group chat. Read them all. Slay. 🔥

Sign-off time, babes: this masterpiece dropped from ./include/drm, dated October 2026, and it's filed under struct drm_gpuvm_exec(9) in the Kernel API Manual. Periodt. 💜🌈⭐

📦 where this page comes from