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Date: Wed, 20 May 2009 19:46:35 -0700
From: Chris Sanford <crsanford@...il.com>
To: kernel-janitors@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: Re: [PATCH] include KERN_* constant in printk calls
Here is the updated patch for sched.c. It replaces all the printk calls with their
corresponding pr_* call. The five KERN_DEBUG calls have been changed to
pr_info.
Signed-off-by: Chris Sanford <crsanford@...il.com>
---
diff --git a/kernel/sched.c b/kernel/sched.c
index 26efa47..cfe42e7 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4912,7 +4912,7 @@ static noinline void __schedule_bug(struct task_struct *prev)
{
struct pt_regs *regs = get_irq_regs();
- printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n",
+ pr_err("BUG: scheduling while atomic: %s/%d/0x%08x\n",
prev->comm, prev->pid, preempt_count());
debug_show_held_locks(prev);
@@ -6474,23 +6474,23 @@ void sched_show_task(struct task_struct *p)
unsigned state;
state = p->state ? __ffs(p->state) + 1 : 0;
- printk(KERN_INFO "%-13.13s %c", p->comm,
+ pr_info("%-13.13s %c", p->comm,
state < sizeof(stat_nam) - 1 ? stat_nam[state] : '?');
#if BITS_PER_LONG == 32
if (state == TASK_RUNNING)
- printk(KERN_CONT " running ");
+ pr_cont(" running ");
else
- printk(KERN_CONT " %08lx ", thread_saved_pc(p));
+ pr_cont(" %08lx ", thread_saved_pc(p));
#else
if (state == TASK_RUNNING)
- printk(KERN_CONT " running task ");
+ pr_cont(" running task ");
else
- printk(KERN_CONT " %016lx ", thread_saved_pc(p));
+ pr_cont(" %016lx ", thread_saved_pc(p));
#endif
#ifdef CONFIG_DEBUG_STACK_USAGE
free = stack_not_used(p);
#endif
- printk(KERN_CONT "%5lu %5d %6d\n", free,
+ pr_cont("%5lu %5d %6d\n", free,
task_pid_nr(p), task_pid_nr(p->real_parent));
show_stack(p, NULL);
@@ -6501,10 +6501,10 @@ void show_state_filter(unsigned long state_filter)
struct task_struct *g, *p;
#if BITS_PER_LONG == 32
- printk(KERN_INFO
+ pr_info(
" task PC stack pid father\n");
#else
- printk(KERN_INFO
+ pr_info(
" task PC stack pid father\n");
#endif
read_lock(&tasklist_lock);
@@ -6833,7 +6833,7 @@ again:
* leave kernel.
*/
if (p->mm && printk_ratelimit()) {
- printk(KERN_INFO "process %d (%s) no "
+ pr_info("process %d (%s) no "
"longer affine to cpu%d\n",
task_pid_nr(p), p->comm, dead_cpu);
}
@@ -7315,52 +7315,52 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,
cpulist_scnprintf(str, sizeof(str), sched_domain_span(sd));
cpumask_clear(groupmask);
-
- printk(KERN_DEBUG "%*s domain %d: ", level, "", level);
-
+
+ pr_info("%*s domain %d: ", level, "", level);
+
if (!(sd->flags & SD_LOAD_BALANCE)) {
- printk("does not load-balance\n");
+ pr_cont("does not load-balance\n");
if (sd->parent)
- printk(KERN_ERR "ERROR: !SD_LOAD_BALANCE domain"
+ pr_err("ERROR: !SD_LOAD_BALANCE domain"
" has parent");
return -1;
}
- printk(KERN_CONT "span %s level %s\n", str, sd->name);
+ pr_cont("span %s level %s\n", str, sd->name);
if (!cpumask_test_cpu(cpu, sched_domain_span(sd))) {
- printk(KERN_ERR "ERROR: domain->span does not contain "
+ pr_err("ERROR: domain->span does not contain "
"CPU%d\n", cpu);
}
if (!cpumask_test_cpu(cpu, sched_group_cpus(group))) {
- printk(KERN_ERR "ERROR: domain->groups does not contain"
+ pr_err("ERROR: domain->groups does not contain"
" CPU%d\n", cpu);
}
- printk(KERN_DEBUG "%*s groups:", level + 1, "");
+ pr_info("%*s groups:", level + 1, "");
do {
if (!group) {
- printk("\n");
- printk(KERN_ERR "ERROR: group is NULL\n");
+ pr_cont("\n");
+ pr_err("ERROR: group is NULL\n");
break;
}
if (!group->__cpu_power) {
- printk(KERN_CONT "\n");
- printk(KERN_ERR "ERROR: domain->cpu_power not "
+ pr_cont("\n");
+ pr_err("ERROR: domain->cpu_power not "
"set\n");
break;
}
if (!cpumask_weight(sched_group_cpus(group))) {
- printk(KERN_CONT "\n");
- printk(KERN_ERR "ERROR: empty group\n");
+ pr_cont("\n");
+ pr_err("ERROR: empty group\n");
break;
}
if (cpumask_intersects(groupmask, sched_group_cpus(group))) {
- printk(KERN_CONT "\n");
- printk(KERN_ERR "ERROR: repeated CPUs\n");
+ pr_cont("\n");
+ pr_err("ERROR: repeated CPUs\n");
break;
}
@@ -7368,22 +7368,22 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,
cpulist_scnprintf(str, sizeof(str), sched_group_cpus(group));
- printk(KERN_CONT " %s", str);
+ pr_cont(" %s", str);
if (group->__cpu_power != SCHED_LOAD_SCALE) {
- printk(KERN_CONT " (__cpu_power = %d)",
+ pr_cont(" (__cpu_power = %d)",
group->__cpu_power);
}
group = group->next;
} while (group != sd->groups);
- printk(KERN_CONT "\n");
+ pr_cont("\n");
if (!cpumask_equal(sched_domain_span(sd), groupmask))
- printk(KERN_ERR "ERROR: groups don't span domain->span\n");
+ pr_err("ERROR: groups don't span domain->span\n");
if (sd->parent &&
!cpumask_subset(groupmask, sched_domain_span(sd->parent)))
- printk(KERN_ERR "ERROR: parent span is not a superset "
+ pr_err("ERROR: parent span is not a superset "
"of domain->span\n");
return 0;
}
@@ -7394,14 +7394,14 @@ static void sched_domain_debug(struct sched_domain *sd, int cpu)
int level = 0;
if (!sd) {
- printk(KERN_DEBUG "CPU%d attaching NULL sched-domain.\n", cpu);
+ pr_info("CPU%d attaching NULL sched-domain.\n", cpu);
return;
}
- printk(KERN_DEBUG "CPU%d attaching sched-domain:\n", cpu);
+ pr_info("CPU%d attaching sched-domain:\n", cpu);
if (!alloc_cpumask_var(&groupmask, GFP_KERNEL)) {
- printk(KERN_DEBUG "Cannot load-balance (out of memory)\n");
+ pr_info("Cannot load-balance (out of memory)\n");
return;
}
@@ -8095,14 +8095,14 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
sched_group_nodes = kcalloc(nr_node_ids, sizeof(struct sched_group *),
GFP_KERNEL);
if (!sched_group_nodes) {
- printk(KERN_WARNING "Can not alloc sched group node list\n");
+ pr_warning("Can not alloc sched group node list\n");
goto free_tmpmask;
}
#endif
rd = alloc_rootdomain();
if (!rd) {
- printk(KERN_WARNING "Cannot alloc root domain\n");
+ pr_warning("Cannot alloc root domain\n");
goto free_sched_groups;
}
@@ -8241,7 +8241,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
sg = kmalloc_node(sizeof(struct sched_group) + cpumask_size(),
GFP_KERNEL, i);
if (!sg) {
- printk(KERN_WARNING "Can not alloc domain group for "
+ pr_warning("Can not alloc domain group for "
"node %d\n", i);
goto error;
}
@@ -8275,7 +8275,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
cpumask_size(),
GFP_KERNEL, i);
if (!sg) {
- printk(KERN_WARNING
+ pr_warning(
"Can not alloc domain group for node %d\n", j);
goto error;
}
@@ -9075,10 +9075,10 @@ void __might_sleep(char *file, int line)
return;
prev_jiffy = jiffies;
- printk(KERN_ERR
+ pr_err(
"BUG: sleeping function called from invalid context at %s:%d\n",
file, line);
- printk(KERN_ERR
+ pr_err(
"in_atomic(): %d, irqs_disabled(): %d, pid: %d, name: %s\n",
in_atomic(), irqs_disabled(),
current->pid, current->comm);
--
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