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rcu: Use pr_fmt to prefix "rcu: " to logging output
This commit also adjusts some whitespace while in the area. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> [ paulmck: Revert string-breaking %s as requested by Andy Shevchenko. ]
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@ -680,12 +680,11 @@ rcu_perf_init(void)
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break;
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}
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if (i == ARRAY_SIZE(perf_ops)) {
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pr_alert("rcu-perf: invalid perf type: \"%s\"\n",
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perf_type);
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pr_alert("rcu-perf: invalid perf type: \"%s\"\n", perf_type);
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pr_alert("rcu-perf types:");
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for (i = 0; i < ARRAY_SIZE(perf_ops); i++)
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pr_alert(" %s", perf_ops[i]->name);
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pr_alert("\n");
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pr_cont(" %s", perf_ops[i]->name);
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pr_cont("\n");
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firsterr = -EINVAL;
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goto unwind;
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}
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@ -1755,8 +1755,8 @@ rcu_torture_init(void)
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torture_type);
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pr_alert("rcu-torture types:");
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for (i = 0; i < ARRAY_SIZE(torture_ops); i++)
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pr_alert(" %s", torture_ops[i]->name);
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pr_alert("\n");
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pr_cont(" %s", torture_ops[i]->name);
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pr_cont("\n");
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firsterr = -EINVAL;
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goto unwind;
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}
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@ -26,6 +26,8 @@
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*
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*/
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#define pr_fmt(fmt) "rcu: " fmt
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#include <linux/export.h>
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#include <linux/mutex.h>
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#include <linux/percpu.h>
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@ -390,7 +392,8 @@ void _cleanup_srcu_struct(struct srcu_struct *sp, bool quiesced)
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}
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if (WARN_ON(rcu_seq_state(READ_ONCE(sp->srcu_gp_seq)) != SRCU_STATE_IDLE) ||
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WARN_ON(srcu_readers_active(sp))) {
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pr_info("%s: Active srcu_struct %p state: %d\n", __func__, sp, rcu_seq_state(READ_ONCE(sp->srcu_gp_seq)));
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pr_info("%s: Active srcu_struct %p state: %d\n",
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__func__, sp, rcu_seq_state(READ_ONCE(sp->srcu_gp_seq)));
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return; /* Caller forgot to stop doing call_srcu()? */
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}
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free_percpu(sp->sda);
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@ -27,6 +27,9 @@
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* For detailed explanation of Read-Copy Update mechanism see -
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* Documentation/RCU
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*/
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#define pr_fmt(fmt) "rcu: " fmt
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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@ -1374,8 +1377,7 @@ static void print_other_cpu_stall(struct rcu_state *rsp, unsigned long gp_seq)
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* See Documentation/RCU/stallwarn.txt for info on how to debug
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* RCU CPU stall warnings.
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*/
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pr_err("INFO: %s detected stalls on CPUs/tasks:",
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rsp->name);
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pr_err("INFO: %s detected stalls on CPUs/tasks:", rsp->name);
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print_cpu_stall_info_begin();
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rcu_for_each_leaf_node(rsp, rnp) {
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raw_spin_lock_irqsave_rcu_node(rnp, flags);
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@ -4048,7 +4050,7 @@ static void __init rcu_init_geometry(void)
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if (rcu_fanout_leaf == RCU_FANOUT_LEAF &&
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nr_cpu_ids == NR_CPUS)
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return;
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pr_info("RCU: Adjusting geometry for rcu_fanout_leaf=%d, nr_cpu_ids=%u\n",
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pr_info("Adjusting geometry for rcu_fanout_leaf=%d, nr_cpu_ids=%u\n",
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rcu_fanout_leaf, nr_cpu_ids);
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/*
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@ -74,8 +74,8 @@ static void __init rcu_bootup_announce_oddness(void)
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pr_info("\tRCU event tracing is enabled.\n");
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if ((IS_ENABLED(CONFIG_64BIT) && RCU_FANOUT != 64) ||
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(!IS_ENABLED(CONFIG_64BIT) && RCU_FANOUT != 32))
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pr_info("\tCONFIG_RCU_FANOUT set to non-default value of %d\n",
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RCU_FANOUT);
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pr_info("\tCONFIG_RCU_FANOUT set to non-default value of %d.\n",
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RCU_FANOUT);
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if (rcu_fanout_exact)
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pr_info("\tHierarchical RCU autobalancing is disabled.\n");
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if (IS_ENABLED(CONFIG_RCU_FAST_NO_HZ))
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@ -88,11 +88,13 @@ static void __init rcu_bootup_announce_oddness(void)
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pr_info("\tBuild-time adjustment of leaf fanout to %d.\n",
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RCU_FANOUT_LEAF);
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if (rcu_fanout_leaf != RCU_FANOUT_LEAF)
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pr_info("\tBoot-time adjustment of leaf fanout to %d.\n", rcu_fanout_leaf);
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pr_info("\tBoot-time adjustment of leaf fanout to %d.\n",
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rcu_fanout_leaf);
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if (nr_cpu_ids != NR_CPUS)
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pr_info("\tRCU restricting CPUs from NR_CPUS=%d to nr_cpu_ids=%u.\n", NR_CPUS, nr_cpu_ids);
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#ifdef CONFIG_RCU_BOOST
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pr_info("\tRCU priority boosting: priority %d delay %d ms.\n", kthread_prio, CONFIG_RCU_BOOST_DELAY);
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pr_info("\tRCU priority boosting: priority %d delay %d ms.\n",
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kthread_prio, CONFIG_RCU_BOOST_DELAY);
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#endif
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if (blimit != DEFAULT_RCU_BLIMIT)
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pr_info("\tBoot-time adjustment of callback invocation limit to %ld.\n", blimit);
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