On Thu, Apr 15, 2021 at 03:14:09PM -0700, Yu-cheng Yu wrote: > In change_pte_range(), when a PTE is changed for prot_numa, _PAGE_RW is > preserved to avoid the additional write fault after the NUMA hinting fault. > However, pte_write() now includes both normal writable and shadow stack > (RW=0, Dirty=1) PTEs, but the latter does not have _PAGE_RW and has no need > to preserve it. > > Exclude shadow stack from preserve_write test, and apply the same change to > change_huge_pmd(). > > Signed-off-by: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx> Reviewed-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- Kirill A. Shutemov
