Loading Documentation/memory-barriers.txt +1 −1 Original line number Original line Diff line number Diff line Loading @@ -746,7 +746,7 @@ You must also be careful not to rely too much on boolean short-circuit evaluation. Consider this example: evaluation. Consider this example: q = READ_ONCE_CTRL(a); q = READ_ONCE_CTRL(a); if (a || 1 > 0) if (q || 1 > 0) ACCESS_ONCE(b) = 1; ACCESS_ONCE(b) = 1; Because the first condition cannot fault and the second condition is Because the first condition cannot fault and the second condition is Loading Loading
Documentation/memory-barriers.txt +1 −1 Original line number Original line Diff line number Diff line Loading @@ -746,7 +746,7 @@ You must also be careful not to rely too much on boolean short-circuit evaluation. Consider this example: evaluation. Consider this example: q = READ_ONCE_CTRL(a); q = READ_ONCE_CTRL(a); if (a || 1 > 0) if (q || 1 > 0) ACCESS_ONCE(b) = 1; ACCESS_ONCE(b) = 1; Because the first condition cannot fault and the second condition is Because the first condition cannot fault and the second condition is Loading
Paul E. McKenney <paulmck@linux.vnet.ibm.com>Paul E. McKenney <paulmck@linux.vnet.ibm.com>