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lockdep: Make RCU suspicious-access splats use pr_err
This commit switches RCU suspicious-access splats use pr_err() instead of the current INFO printk()s. This change makes it easier to automatically classify splats. Reported-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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@ -4412,13 +4412,13 @@ void lockdep_rcu_suspicious(const char *file, const int line, const char *s)
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#endif /* #ifdef CONFIG_PROVE_RCU_REPEATEDLY */
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/* Note: the following can be executed concurrently, so be careful. */
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printk("\n");
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printk("===============================\n");
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printk("[ INFO: suspicious RCU usage. ]\n");
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pr_err("===============================\n");
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pr_err("[ ERR: suspicious RCU usage. ]\n");
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print_kernel_ident();
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printk("-------------------------------\n");
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printk("%s:%d %s!\n", file, line, s);
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printk("\nother info that might help us debug this:\n\n");
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printk("\n%srcu_scheduler_active = %d, debug_locks = %d\n",
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pr_err("-------------------------------\n");
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pr_err("%s:%d %s!\n", file, line, s);
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pr_err("\nother info that might help us debug this:\n\n");
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pr_err("\n%srcu_scheduler_active = %d, debug_locks = %d\n",
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!rcu_lockdep_current_cpu_online()
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? "RCU used illegally from offline CPU!\n"
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: !rcu_is_watching()
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