On Tue, Sep 10, 2024 at 09:11:19PM +0800, He Lugang wrote:
> From: Huacai Chen <chenhuacai@xxxxxxxxxxx>
>
> commit 4574815abf43e2bf05643e1b3f7a2e5d6df894f0 upstream
>
> As very well explained in commit 20a004e7b017cce282 ("arm64: mm: Use
> READ_ONCE/WRITE_ONCE when accessing page tables"), an architecture whose
> page table walker can modify the PTE in parallel must use READ_ONCE()/
> WRITE_ONCE() macro to avoid any compiler transformation.
>
> So apply that to LoongArch which is such an architecture, in order to
> avoid potential problems.
>
> Similar to commit edf955647269422e ("riscv: Use accessors to page table
> entries instead of direct dereference").
>
> Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
You did not sign off on this, so I'm dropping it :(
