On Tue, Dec 10, 2013 at 1:49 AM, Michel D?nzer <michel at daenzer.net> wrote: > On Mon, 2013-12-09 at 23:45 +0100, Marek Ol??k wrote: >> On Mon, Dec 9, 2013 at 9:30 PM, Lauri Kasanen <cand at gmx.com> wrote: >> > >> > Note that the hotness calculation will be in userspace, as only there >> > are the necessary counters available. So the finished hotness score >> > will be passed to the kernel, instead of sending all the necessary data >> > there. Ought to be less context switches that way. > > Sounds like this could be abused by userspace though...
Anything can be abused by userspace, but is there any security risk? I don't think so. The CS ioctl is way more dangerous than this. Marek
