[PATCH 0/4] fix device-dax pud crash and fixup {pte,pmd,pud}_write

Andrew, Here is a new version to the pud_write() fix [1], and some follow-on patches to use the '_access_permitted' helpers in fault and get_user_pages() paths where we are checking if the thread has access to write. I explicitly omit conversions for places where the kernel is checking the

[PATCH 0/4] fix device-dax pud crash and fixup {pte,pmd,pud}_write

Andrew, Here is a new version to the pud_write() fix [1], and some follow-on patches to use the '_access_permitted' helpers in fault and get_user_pages() paths where we are checking if the thread has access to write. I explicitly omit conversions for places where the kernel is checking the