Hi Clark, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linux-rt-devel/for-kbuild-bot/current-stable] url: https://github.com/0day-ci/linux/commits/Clark-Williams/rt-convert-mm-kasan-quarantine_lock-to-raw_spinlock/20180919-021343 base: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git for-kbuild-bot/current-stable config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): include/uapi/linux/perf_event.h:147:56: warning: cast truncates bits from constant value (8000000000000000 becomes 0) kernel/rcu/tree.c:216:15: warning: symbol 'rcu_rnp_online_cpus' was not declared. Should it be static? kernel/rcu/tree.c:366:6: warning: symbol 'rcu_dynticks_curr_cpu_in_eqs' was not declared. Should it be static? >> kernel/rcu/tree.c:2930:36: warning: incorrect type in initializer (different address spaces) kernel/rcu/tree.c:2930:36: expected struct task_struct [noderef] <asn:3>**store kernel/rcu/tree.c:2930:36: got struct task_struct *[noderef] <asn:3>*<noident> kernel/rcu/tree.c:3978:21: warning: incorrect type in argument 1 (different modifiers) kernel/rcu/tree.c:3978:21: expected int ( *threadfn )( ... ) kernel/rcu/tree.c:3978:21: got int ( [noreturn] *<noident> )( ... ) kernel/rcu/tree.c:1680:13: warning: context imbalance in 'rcu_start_this_gp' - different lock contexts for basic block kernel/rcu/tree.c:2703:9: warning: context imbalance in 'force_qs_rnp' - different lock contexts for basic block kernel/rcu/tree.c:2766:25: warning: context imbalance in 'force_quiescent_state' - unexpected unlock kernel/rcu/tree_exp.h:203:9: warning: context imbalance in '__rcu_report_exp_rnp' - different lock contexts for basic block vim +2930 kernel/rcu/tree.c 385c3906 Paul E. McKenney 2013-11-04 2928 385c3906 Paul E. McKenney 2013-11-04 2929 static struct smp_hotplug_thread rcu_cpu_thread_spec = { 385c3906 Paul E. McKenney 2013-11-04 @2930 .store = &rcu_cpu_kthread_task, 385c3906 Paul E. McKenney 2013-11-04 2931 .thread_should_run = rcu_cpu_kthread_should_run, 385c3906 Paul E. McKenney 2013-11-04 2932 .thread_fn = rcu_cpu_kthread, 385c3906 Paul E. McKenney 2013-11-04 2933 .thread_comm = "rcuc/%u", 385c3906 Paul E. McKenney 2013-11-04 2934 .setup = rcu_cpu_kthread_setup, 385c3906 Paul E. McKenney 2013-11-04 2935 .park = rcu_cpu_kthread_park, 385c3906 Paul E. McKenney 2013-11-04 2936 }; 385c3906 Paul E. McKenney 2013-11-04 2937 :::::: The code at line 2930 was first introduced by commit :::::: 385c3906e2a7db036cd3185d1a2f38c842664ce0 rcu: Eliminate softirq processing from rcutree :::::: TO: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> :::::: CC: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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