radeon_vm_flush(9)

✨ radeon_vm_flush(9) ✨

okay so bestie, we're deep in the Kernel API Manual today and the vibe is very radeon GPU driver core 💅 this is radeon_vm_flush(9) and yes she's iconic, yes she's a one-function girlie, and yes she's about to make your VM do the thing 🦋

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🌸 NAME 🌸

radeon_vm_flush — hardware flush the vm, periodt 🎀

like, literally the hardware does the flushing, not you, not me, the hardware 🔥

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⭐ SYNOPSIS ⭐

void radeon_vm_flush (struct radeon_device *rdev , struct radeon_vm *vm
, int ring , struct radeon_fence *updates );

no cap, that's the whole signature, copy it exactly, don't "fix" the spacing, she's perfect as she is 🙈

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🎀 ARGUMENTS 🎀

bestie here's the group chat roster, every single one of them matters:

• rdev — radeon_device pointer, the main character pointer, the whole device energy 👑
• vm — vm we want to flush, that's the one, that's the vibe check target 💖
• ring — ring to use for flush, you gotta pick which ring does the work ⭐
• updates — last vm update that is waited for, so she waits, then she flushes, iykyk 🫶

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💅 DESCRIPTION 💅

Flush the vm (cayman+). ✨

that's it, that's the whole description, she's lowkey concise and I respect it fr fr

but WAIT — big warning energy incoming 😭:

Global and local mutex must be locked! both of them. locked. before you call this. not one, not the other, both. no exceptions bestie, this is not a drill 💀

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🦋 SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/radeon/radeon_vm.c — that's where she lives, go say hi 🏠
• radeon_vm_num_pdes(9)
• radeon_vm_directory_size(9)
• radeon_vm_manager_init(9)
• radeon_vm_manager_fini(9)
• radeon_vm_get_bos(9)
• radeon_vm_grab_id(9)
• radeon_vm_fence(9)
• radeon_vm_bo_find(9)
• radeon_vm_bo_add(9)
• radeon_vm_set_pages(9)
• radeon_vm_clear_bo(9)
• radeon_vm_bo_set_addr(9)
• radeon_vm_map_gart(9)
• radeon_vm_page_flags(9)
• radeon_vm_update_page_directory(9)
• radeon_vm_frag_ptes(9)
• radeon_vm_update_ptes(9)
• radeon_vm_fence_pts(9)
• radeon_vm_bo_update(9)
• radeon_vm_clear_freed(9)
• radeon_vm_clear_invalids(9)
• radeon_vm_bo_rmv(9)
• radeon_vm_bo_invalidate(9)
• radeon_vm_init(9)
• radeon_vm_fini(9)

that's 21 siblings and every single one of them made the list, we don't cut anyone from the group chat 🫶💖

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mwah 💋 that's the whole page! shoutout to ./drivers/gpu/drm/radeon for the source home, to October 2026 for the date stamp, and to radeon_vm_flush(9) herself for staying so gorgeously to the point 🌈✨ see you in the next manpage bestie, stay flushed 💅