On Tue, 2012-07-10 at 10:21 +0200, Ingo Molnar wrote: > Another boundary condition would be when we intentionally > twiddle the GDT: such as during suspend or during BIOS upcalls. > Can we then get a PMU interrupt? If yes then this will probably > result in garbage: > > > > > + desc = __this_cpu_ptr(&gdt_page.gdt[0]); > > it won't outright crash, we don't ever deallocate our GDT - but > it will return a garbage RIP.
Nothing we can do about that though.. > Then there's also all the Xen craziness with segments ... I don't think Xen Dom0 has PMU access, that would be their Hyper-visor thingy's job, no? Anyway, that seems a problem for Jeremy and Konrad.. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
