stage2_try_break_pte(9)

💅 stage2_try_break_pte(9) 💅

bestie, this one’s from the Kernel API Manual and it’s giving low-level page-table business. 🧚✨

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🌸 NAME 🌸

stage2_try_break_pte — invalidates a pte according to the 'break-before-make' requirements of the architecture. No cap, that’s the whole vibe. 💅

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✨ SYNOPSIS ✨

bool stage2_try_break_pte (const struct kvm_pgtable_visit_ctx *ctx ,
struct kvm_s2_mmu *mmu );

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🎀 ARGUMENTS 🎀

• ctx — bestie, this is the context of the visited pte. 🫶
• mmu — the stage-2 mmu. ✨

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🦋 RETURN 🦋

• true — if the pte was successfully broken. That’s it, that’s the return. ✅

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💖 DESCRIPTION 💖

If the removed pte was valid, it performs the necessary serialization and TLB invalidation for the old value. For counted ptes, it drops the reference count on the containing table page. Periodt, those are the facts. 💅🔥

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🌈 SEE ALSO 🌈

• Kernel file ./arch/arm64/kvm/hyp/pgtable.c — that’s the one to peek at, iykyk. 🌸

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Catch you later, bestie 🫶 — source/version: ./arch/arm64/kvm/hyp, dated October 2026. ✨