On Tue, Aug 30, 2016 at 11:32:16AM -0400, Chris Metcalf wrote: > On 8/30/2016 3:58 AM, Peter Zijlstra wrote: > >What !? I really don't get this, what are you waiting for? Why is > >rescheduling making things better. > > We need to wait for the last dyntick to fire before we can return to > userspace. There are plenty of options as to what we can do in the > meanwhile. Why not keep your _TIF_TASK_ISOLATION_FOO flag set and re-enter the loop? I really don't see how setting TIF_NEED_RESCHED is helping anything. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>