kernel/rcu/tree.c

899 			pr_info("%s: %d:%d ->qsmask %#lx ->qsmaskinit %#lx ->qsmaskinitnext %#lx ->rcu_gp_init_mask %#lx\n",
900 				__func__, rnp1->grplo, rnp1->grphi, rnp1->qsmask, rnp1->qsmaskinit, rnp1->qsmaskinitnext, rnp1->rcu_gp_init_mask);
1894 		if (rnp->qsmaskinit == rnp->qsmaskinitnext &&
1903 		/* Record old state, apply changes to ->qsmaskinit field. */
1904 		oldmask = rnp->qsmaskinit;
1905 		rnp->qsmaskinit = rnp->qsmaskinitnext;
1907 		/* If zero-ness of ->qsmaskinit changed, propagate up tree. */
1908 		if (!oldmask != !rnp->qsmaskinit) {
1928 		    (!rcu_preempt_has_tasks(rnp) || rnp->qsmaskinit)) {
1930 			if (!rnp->qsmaskinit)
1958 		rnp->qsmask = rnp->qsmaskinit;
4058  * clearing the corresponding bits in the ->qsmaskinit fields.  Note that
4059  * the leaf rcu_node structure's ->qsmaskinit field has already been
4075 	    WARN_ON_ONCE(rnp_leaf->qsmaskinit) ||
4084 		rnp->qsmaskinit &= ~mask;
4087 		if (rnp->qsmaskinit) {
4116 		oldmask = rnp->qsmaskinit;
4117 		rnp->qsmaskinit |= mask;
4679 			rnp->qsmaskinit = 0;