Hi Paul, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next head: d58ab773ab8bc98c81c7d49c04bc88b6e7968385 commit: 552116942862340a4a0577cbac194ddc6185e4cb [5/78] rcu: Move RCU grace-period cleanup into kthread config: x86_64-allmodconfig All related error/warning messages: kernel/rcutree.c: In function 'rcu_gp_kthread': kernel/rcutree.c:1131:41: error: 'flags' undeclared (first use in this function) kernel/rcutree.c:1131:41: note: each undeclared identifier is reported only once for each function it appears in kernel/rcutree.c:1131:74: warning: comparison of distinct pointer types lacks a cast [enabled by default] kernel/rcutree.c:1176:74: warning: comparison of distinct pointer types lacks a cast [enabled by default] vim +1131 kernel/rcutree.c 1125 if (!ACCESS_ONCE(rnp->qsmask) && 1126 !rcu_preempt_blocked_readers_cgp(rnp)) 1127 break; 1128 flush_signals(current); 1129 } 1130 > 1131 raw_spin_lock_irqsave(&rnp->lock, flags); 1132 gp_duration = jiffies - rsp->gp_start; 1133 if (gp_duration > rsp->gp_max) 1134 rsp->gp_max = gp_duration; --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu, Yuanhan Liu Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html