Am 10.11.2013 17:24, schrieb Shahbaz Youssefi: > Not sure if I understood you (or you understood me). We don't throw > away anything. Only difference would be instead of generating a trap > to call a function in the kernel, we can just call it and have the > hardware take care of privileges. The "trap way" is the one that > actually seems hacky! A hack proposed to fix the brain-dead processors > of twenty years ago. > > As a bonus you would also have more control over what parts of a > driver actually get run in privileged mode. > > Care to explain why you would call this a step backwards?
Maybe I did not understand your idea. But to me it sounds like plain old call gates. See: http://en.wikipedia.org/wiki/Call_gate Thanks, //richard -- 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/
