On Thu, Jun 01, 2017 at 03:12:04PM +0200, Peter Zijlstra wrote: > > Based on your previous comment I was thinking I would disable preemption > > for the entire unwind_next_frame() step, but not *between* steps. I > > suppose we could require the unwind caller to disable preemption but I'd > > like to avoid that if possible. > > Right, keeping it disabled across a frame should be ok I suppose. But then we'd either have to require the unwind user to explicitly disable preemption, or we'd need to add a new unwind_end() interface which the caller would be required to use when they're done unwinding. Neither is ideal. -- Josh -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html