Re: [PATCH 4.4] cxl: Fix driver use count

2017-10-03 Thread Greg KH
On Wed, Sep 27, 2017 at 10:43:17AM +1000, Andrew Donnellan wrote: > From: Frederic Barrat > > commit 197267d0356004a31c4d6b6336598f5dff3301e1 upstream. > > cxl keeps a driver use count, which is used with the hash memory model > on p8 to know when to upgrade local TLBIs to global and to trigger

[PATCH 4.4] cxl: Fix driver use count

2017-09-26 Thread Andrew Donnellan
From: Frederic Barrat commit 197267d0356004a31c4d6b6336598f5dff3301e1 upstream. cxl keeps a driver use count, which is used with the hash memory model on p8 to know when to upgrade local TLBIs to global and to trigger callbacks to manage the MMU for PSL8. If a process opens a context and closes