search for: clear_active_threshold

...e flag to see if it gets + * clear periodically. If it is not, the queue head CPU may be scheduled + * out. It will then send the kick-cpu signal to the queue head CPU. + */ + +/* + * Loop thresholds + */ +#define HEAD_SPIN_THRESHOLD (1<<12) /* Threshold to kick lock holder */ +#define CLEAR_ACTIVE_THRESHOLD (1<<8) /* Threahold for clearing active flag */ +#define CLEAR_ACTIVE_MASK (CLEAR_ACTIVE_THRESHOLD - 1) + +/* + * PV macros + */ +#define PV_SET_VAR(type, var, val) type var = val +#define PV_VAR(var) var +#define PV_GET_NXTCPU(node) (node)->pv.nxtcpu_p1 + +/* + * Additional fields to b...

v4->v5: - Move the optimized 2-task contending code to the generic file to enable more architectures to use it without code duplication. - Address some of the style-related comments by PeterZ. - Allow the use of unfair queue spinlock in a real para-virtualized execution environment. - Add para-virtualization support to the qspinlock code by ensuring that the lock holder and queue

v4->v5: - Move the optimized 2-task contending code to the generic file to enable more architectures to use it without code duplication. - Address some of the style-related comments by PeterZ. - Allow the use of unfair queue spinlock in a real para-virtualized execution environment. - Add para-virtualization support to the qspinlock code by ensuring that the lock holder and queue

v4->v5: - Move the optimized 2-task contending code to the generic file to enable more architectures to use it without code duplication. - Address some of the style-related comments by PeterZ. - Allow the use of unfair queue spinlock in a real para-virtualized execution environment. - Add para-virtualization support to the qspinlock code by ensuring that the lock holder and queue

v4->v5: - Move the optimized 2-task contending code to the generic file to enable more architectures to use it without code duplication. - Address some of the style-related comments by PeterZ. - Allow the use of unfair queue spinlock in a real para-virtualized execution environment. - Add para-virtualization support to the qspinlock code by ensuring that the lock holder and queue