On Sun, Aug 11, 2019 at 11:41:57PM +0800, Coly Li wrote: > On 2019/8/11 11:01 下午, gregkh@xxxxxxxxxxxxxxxxxxx wrote: > > > > The patch below does not apply to the 5.2-stable tree. > > If someone wants it applied there, or to any other stable or longterm > > tree, then please email the backport, including the original git commit > > id to <stable@xxxxxxxxxxxxxxx>. > > > > thanks, > > > > greg k-h > > Hi Greg, > > I will post a rebased patch for the 5.2-stable tree. Is it really needed? I ask because in the patch it says: > > This bug was introduced in Linux v5.2, so this fix only applies to > > Linux v5.2 is enough for stable tree maintainer. > > > > Fixes: 89e0341af082 ("bcache: use sysfs_match_string() instead of __sysfs_match_string()") But commit 89e0341af082 showed up in 5.3-rc1, not 5.2. So why is this needed in 5.2.y? thanks, greg k-h