On Fri, Sep 06, 2024 at 04:22:39PM +0800, WangYuli wrote: > From: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx> > > [ Upstream commit edf955647269422e387732870d04fc15933a25ea ] > > As very well explained in commit 20a004e7b017 ("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 riscv which is such architecture. > > Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx> > Acked-by: Anup Patel <anup@xxxxxxxxxxxxxx> > Link: https://lore.kernel.org/r/20231213203001.179237-5-alexghiti@xxxxxxxxxxxx > Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx> > Signed-off-by: WangYuli <wangyuli@xxxxxxxxxxxxx> > --- all now queued up, thanks. greg k-h