Re: [PATCH V2] debugfs: keep the old mode value at remount when no explicit change

2014-08-29 Thread Greg KH
On Fri, Aug 29, 2014 at 10:33:23AM +0800, Chen LinX wrote: > From: "Chen, LinX" > > Android framework has a good method to detect userspace hang and reports > UIWDT issues. It uses client/server model. Clients communicate with > servers by binder. binder has debugfs interfaces. Some files show wh

[PATCH V2] debugfs: keep the old mode value at remount when no explicit change

2014-08-28 Thread Chen LinX
From: "Chen, LinX" Android framework has a good method to detect userspace hang and reports UIWDT issues. It uses client/server model. Clients communicate with servers by binder. binder has debugfs interfaces. Some files show what threads are communicating with what other threads. If one thread i