pt_index_to_va(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

✨ pt_index_to_va ✨

ok so this is a page from the Kernel API Manual, section 9 β€” and it's literally the glow-up moment for range->va πŸ’…

🌸 NAME 🌸

pt_index_to_va β€” update range->va to the current pts->index. that's it, that's the whole job, and she does it beautifully πŸŽ€

πŸ¦‹ SYNOPSIS πŸ¦‹

void pt_index_to_va (struct pt_state *pts );

πŸ“ ARGUMENTS πŸ“

  • pts β€” the iteration state. yes bestie, that one. she's holding the state, you're just here for the vibes 🌈

πŸ’– DESCRIPTION πŸ’–

okay so here's the tea β˜• β€” this function adjusts range->va so it matches the current index. iconic behaviour, no notes.

and the way it does it?? lazily πŸ’€. like, on purpose. because computing the VA takes several instructions and it's rarely required β€” so why would you do all that work up front? you wouldn't. you'd let it happen later. that's called being efficient and it's giving main character energy fr fr πŸ‘‘

lowkey important detail: "lazy" here is not a bug, bestie β€” it's the whole design. don't @ me.

πŸ”₯ SEE ALSO πŸ”₯

the whole friend group 🫢 β€” check them out:

and the kernel file where she actually lives: ./drivers/iommu/generic_pt/pt_iter.h πŸ“‚βœ¨


sign-off time πŸŽ€ so this whole page comes straight out of ./drivers/iommu/generic_pt, dated October 2026, living in section 9 of the Kernel API Manual β€” pt_index_to_va(9), slay, bye bestie πŸ’œπŸ¦‹

πŸ“¦ where this page comes from