On 11/23/19 3:49 PM, Pavel Begunkov wrote: > There is a bug hunging my system when run fixed-link with /dev/urandom > instead of /dev/zero (see patch 1/2). > > As for me, the easiest way to fix is to grab mm and use userspace > address for this specific case (as it's done in patches). The other > way is to kmap/vmap, but the first should be short-lived and the > second needs mm anyway. > > Ideas how to do it better way? Suggestions and corrections are welcome. > > P.S. It seems for some reason it fails a bunch of unrelated tests, > that's POC and not meant to be applied yet. I'll take a look at this, but probably not until tomorrow afternoon or Monday. -- Jens Axboe