On Fri, Feb 21, 2014 at 10:46:59PM -0800, Russ Dill wrote: > If there is worry about this, you could setup a page mapping in a > __nosave region, preventing it from being overwritten.
Why would we need _another_ set of pages tables? Aren't two (swapper_pg_dir and the idmap one) enough? You do need to switch to the idmap one if you're going to call cpu_resume at its physical address, because that requires the identity mapping in order to work. -- FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up. Estimation in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad. Estimate before purchase was "up to 13.2Mbit". -- 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/