On Thu 15-03-18 15:48:29, Andrew Morton wrote: > On Thu, 15 Mar 2018 14:36:59 -0400 jglisse@xxxxxxxxxx wrote: > > > From: Ralph Campbell <rcampbell@xxxxxxxxxx> > > > > The hmm_mirror_register() function registers a callback for when > > the CPU pagetable is modified. Normally, the device driver will > > call hmm_mirror_unregister() when the process using the device is > > finished. However, if the process exits uncleanly, the struct_mm > > can be destroyed with no warning to the device driver. > > The changelog doesn't tell us what the runtime effects of the bug are. > This makes it hard for me to answer the "did Jerome consider doing > cc:stable" question. There is no upstream user of this code IIRC, so does it make sense to mark anything for stable trees? -- Michal Hocko SUSE Labs
