[PATCH v1] arm64/mm: Close theoretical race where stale TLB entry remains valid

[Will Deacon]

On Fri, 30 May 2025 16:23:47 +0100, Ryan Roberts wrote:
> Commit 3ea277194daa ("mm, mprotect: flush TLB if potentially racing with
> a parallel reclaim leaving stale TLB entries") describes a race that,
> prior to the commit, could occur between reclaim and operations such as
> mprotect() when using reclaim's tlbbatch mechanism. See that commit for
> details but the summary is:
> 
> """
> Nadav Amit identified a theoritical race between page reclaim and
> mprotect due to TLB flushes being batched outside of the PTL being held.
> 
> [...]

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

[1/1] arm64/mm: Close theoretical race where stale TLB entry remains valid
      https://git.kernel.org/arm64/c/4b634918384c

Cheers,
-- 
Will

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