[PATCH 3/7] nohz: Allow to check if remote CPU tick is stopped

This check is racy but provides a good heuristic to determine whether a CPU may need a remote tick or not. Reviewed-by: Thomas Gleixner Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph Lameter

[PATCH 3/7] nohz: Allow to check if remote CPU tick is stopped

This check is racy but provides a good heuristic to determine whether a CPU may need a remote tick or not. Reviewed-by: Thomas Gleixner Signed-off-by: Frederic Weisbecker Cc: Chris Metcalf Cc: Christoph Lameter Cc: Luiz Capitulino Cc: Mike Galbraith Cc: Paul E. McKenney Cc: Peter Zijlstra