Hi "Joel, I love your patch! Yet something to improve: [auto build test ERROR on rcu/dev] [cannot apply to v5.4-rc1 next-20191004] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Joel-Fernandes-Google/Remove-GP_REPLAY-state-from-rcu_sync/20191005-024257 base: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): kernel/rcu/sync.c: In function 'rcu_sync_dtor': >> kernel/rcu/sync.c:187:23: error: 'GP_REPLAY' undeclared (first use in this function) if (rsp->gp_state == GP_REPLAY) ^~~~~~~~~ kernel/rcu/sync.c:187:23: note: each undeclared identifier is reported only once for each function it appears in vim +/GP_REPLAY +187 kernel/rcu/sync.c 07899a6e5f5613 Oleg Nesterov 2015-08-21 174 07899a6e5f5613 Oleg Nesterov 2015-08-21 175 /** 07899a6e5f5613 Oleg Nesterov 2015-08-21 176 * rcu_sync_dtor() - Clean up an rcu_sync structure 07899a6e5f5613 Oleg Nesterov 2015-08-21 177 * @rsp: Pointer to rcu_sync structure to be cleaned up 07899a6e5f5613 Oleg Nesterov 2015-08-21 178 */ 07899a6e5f5613 Oleg Nesterov 2015-08-21 179 void rcu_sync_dtor(struct rcu_sync *rsp) 07899a6e5f5613 Oleg Nesterov 2015-08-21 180 { 89da3b94bb9741 Oleg Nesterov 2019-04-25 181 int gp_state; 07899a6e5f5613 Oleg Nesterov 2015-08-21 182 89da3b94bb9741 Oleg Nesterov 2019-04-25 183 WARN_ON_ONCE(READ_ONCE(rsp->gp_count)); 89da3b94bb9741 Oleg Nesterov 2019-04-25 184 WARN_ON_ONCE(READ_ONCE(rsp->gp_state) == GP_PASSED); 07899a6e5f5613 Oleg Nesterov 2015-08-21 185 07899a6e5f5613 Oleg Nesterov 2015-08-21 186 spin_lock_irq(&rsp->rss_lock); 89da3b94bb9741 Oleg Nesterov 2019-04-25 @187 if (rsp->gp_state == GP_REPLAY) :::::: The code at line 187 was first introduced by commit :::::: 89da3b94bb97417ca2c5b0ce3a28643819030247 rcu/sync: Simplify the state machine :::::: TO: Oleg Nesterov <oleg@xxxxxxxxxx> :::::: CC: Paul E. McKenney <paulmck@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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