[ drop Ross, add Kirill, linux-mm, and lkml ] On Tue, Dec 24, 2019 at 9:42 PM Murphy Zhou <jencce.kernel@xxxxxxxxx> wrote: > > By running xfstests with fsdax enabled, generic/437 always hits this > warning[1] since this commit: > > commit 83d116c53058d505ddef051e90ab27f57015b025 > Author: Jia He <justin.he@xxxxxxx> > Date: Fri Oct 11 22:09:39 2019 +0800 > > mm: fix double page fault on arm64 if PTE_AF is cleared > > Looking at the test program[2] generic/437 uses, it's pretty easy > to hit this warning. Remove this WARN as it seems not necessary. This is not sufficient justification. Does this same test fail without DAX? If not, why not? At a minimum you need to explain why this is not indicating a problem.
