STRUCT DRM_EXEC(9)

✨ struct drm_exec(9) ✨

okay so bestie, welcome to the manual page for struct drm_exec — the execution context 💅 it lives in the Kernel API Manual and honestly? it's giving main character energy for lock acquisition iykyk.

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🎀 NAME 🎀

struct drm_exec — the Execution context, no cap 💖

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✨ SYNOPSIS ✨

here's the whole vibe, literally character for character, don't touch it bestie:

struct drm_exec {
    u32 flags;
    struct ww_acquire_ctx   ticket;
    unsigned int            num_objects;
    unsigned int            max_objects;
    struct drm_gem_object   **objects;
    struct drm_gem_object   *contended;
    struct drm_gem_object *prelocked;
 };

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🌸 Members 🌸

okay so let's meet the cast, one by one, they all serve 🫶

• flags — the Flags to control locking behavior. yes queen, tell the locking how to behave 💅
• ticket — the WW ticket used for acquiring locks. your lil entry pass for the lock party 🎟️✨
• num_objects — number of objects locked. literally the count of how many we've got 🔥
• max_objects — maximum objects in array. the ceiling, the limit, the cap 🎀
• objects — array of the locked objects. the whole squad, in array form 👑
• contended — contended GEM object we backed off for. yeah we stepped back for this one 😭
• prelocked — already locked GEM object due to contention. it came pre-locked because of the contention situation, periodt ⭐

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🦋 SEE ALSO 🦋

ngl you're gonna want the whole friend group, they're all in the Kernel file ./include/drm/drm_exec.h:

• drm_exec_obj(9)
• drm_exec_for_each_locked_object(9)
• drm_exec_for_each_locked_object_reverse(9)
• drm_exec_until_all_locked(9)
• drm_exec_retry_on_contention(9)
• drm_exec_is_contended(9)
• drm_exec_retry(9)
• drm_exec_ticket(9)

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💜 and that's the whole page bestie! this icon dropped out of ./include/drm, dated October 2026, and it goes by struct drm_exec(9) — the way that date is in the future is lowkey iconic, slay 🌈🎀💖