On Fri, Sep 08, 2017 at 06:22:02PM +0700, Nhan Ngoc. Nguyen wrote: > This patch is ported from linux stable 4.9, commit 3587c856675c45809010c2cee5b21096f6e8e938. No, commit 3587c856675c45809010c2cee5b21096f6e8e938 showed up in 4.11-rc1: $ git describe --contains 3587c856675c45809010c2cee5b21096f6e8e938 v4.11-rc1~83^2~38^2~2 > So I think I don't need to port on version 4.9. I think it is still needed there... And please do not top-post... greg k-h