On Fri, 24 Jul 2015 17:26:37 +0200 Willy Tarreau <w...@1wt.eu> wrote:
> > The point is, if we trigger a #DB on an instruction breakpoint > > while !IF, then we simply disable that breakpoint and do the RET. > > Yes but the breakpoint remains disabled then. Or I'm missing > something. Do we care? If it was an instruction breakpoint with !IF set, then it had to have happened in the kernel. And kgdb or whatever added it there needs to deal with that. There should be no instances in the kernel where we execute userspace code with interrupts disabled. -- Steve -- 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/
