Thread (3 messages) 3 messages, 3 authors, 2023-06-02

Re: [PATCH] arm64: mm: pass original fault address to handle_mm_fault() in PER_VMA_LOCK block

From: Will Deacon <will@kernel.org>
Date: 2023-06-02 12:33:32
Also in: lkml

On Wed, 24 May 2023 21:13:05 +0800, Jisheng Zhang wrote:
When reading the arm64's PER_VMA_LOCK support code, I found a bit
difference between arm64 and other arch when calling handle_mm_fault()
during VMA lock-based page fault handling: the fault address is masked
before passing to handle_mm_fault(). This is also different from the
usage in mmap_lock-based handling. I think we need to pass the
original fault address to handle_mm_fault() as we did in
commit 84c5e23edecd ("arm64: mm: Pass original fault address to
handle_mm_fault()").

[...]
Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: mm: pass original fault address to handle_mm_fault() in PER_VMA_LOCK block
      https://git.kernel.org/arm64/c/0e2aba694866

Cheers,
-- 
Will

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

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