On Mon, Sep 29, 2014 at 11:59 AM, Thomas Gleixner <t...@linutronix.de> wrote: > On Mon, 29 Sep 2014, Andy Lutomirski wrote: >> Presumably interrupt delivery clears NT. I haven't spotted where that's >> documented yet. > > Nope, that's unrelated.
If it weren't the case, then we'd be totally screwed. Fortunately, it is. I found it: SDM Volume 3 6.12.1.2 says: (On calls to exception and interrupt handlers, the processor also clears the VM, RF, and NT flags in the EFLAGS register, after they are saved on the stack.) --Andy -- 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/
