> > 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. Pasha
