On 2022/5/27 2:31, Pasha Tatashin wrote: >>> Miaohe, please store the ptep, or maybe drop this patch entirely. >> >> I think it's best to fix it. I rewrote the changelog as >> >> : ptep is unmapped too early, so ptep could theoretically be accessed while >> : it's unmapped. This might become a problem if/when CONFIG_HIGHPTE becomes >> : available on riscv. >> : >> : Fix it by deferring pte_unmap() until page table checking is done. >> >> I'll retain the Fixes:. This doesn't imply cc:stable in MM, and anyone >> who backports the original patchset will want to know about this fixup. > Makes sense. > > >> And I queued a fixup for the thing Matthew noticed. > Thank you Andrew. > Many thanks for all of your comments, review and fixup! :) > Pasha > . >
