pv_wait_node      283 kernel/locking/qspinlock.c #define pv_wait_node		__pv_wait_node
pv_wait_node      573 kernel/locking/qspinlock.c #undef pv_wait_node
pv_wait_node      293 kernel/locking/qspinlock_paravirt.h static void pv_wait_node(struct mcs_spinlock *node, struct mcs_spinlock *prev)