On Fri, Oct 03, 2014 at 02:04:53PM -0700, Andy Lutomirski wrote: > On Fri, Oct 3, 2014 at 2:02 PM, Peter Zijlstra <pet...@infradead.org> wrote:
> > Something like so.. slightly less ugly and possibly with more > > complicated conditions setting the cr4 if you want to fix tsc vs seccomp > > as well. > > This will crash anything that tries rdpmc in an allow-everything > seccomp sandbox. It's also not very compatible with my grand scheme > of allowing rdtsc to be turned off without breaking clock_gettime. :) Well, we clear cap_user_rdpmc, so everybody who still tries it gets what he deserves, no problem there. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
