On Mar 9, 2016 3:38 AM, "Borislav Petkov" <[email protected]> wrote: > > From: Borislav Petkov <[email protected]> > > So Andy had a good idea about using a cacheline-aligned, seldomly used > per-cpu var as the MONITORX target but we can't use it in preemptible > context. The first simple idea I have is to disable preemption around us > dereffing it.
What's the actual problem? Is it the preempt warnings and, if so, would raw_cpu_ptr fix it? It may pay to move it into the loop, though. --Andy
