Re: [PATCH v1] arm64: tlb: fix the TTL value of tlb_get_level

From: Will Deacon
Date: Wed Jun 23 2021 - 10:00:45 EST


On Wed, 23 Jun 2021 15:05:22 +0800, Zhenyu Ye wrote:
> The TTL field indicates the level of page table walk holding the *leaf*
> entry for the address being invalidated. But currently, the TTL field
> may be set to an incorrent value in the following stack:
>
> pte_free_tlb
> __pte_free_tlb
> tlb_remove_table
> tlb_table_invalidate
> tlb_flush_mmu_tlbonly
> tlb_flush
>
> [...]

Applied to arm64 (for-next/mm), thanks!

[1/1] arm64: tlb: fix the TTL value of tlb_get_level
https://git.kernel.org/arm64/c/52218fcd61cb

Cheers,
--
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev