Re: [PATCH 4/4] kprobes: replace printk with pr_-functions

[Masami Hiramatsu]

(2013/04/03 17:28), oskar.andero@xxxxxxxxxxxxxx wrote:
> Instead of using printk use pr_info/pr_err/pr_warn. This was
> detected by the checkpatch.pl script.

Thank you for cleaning this up ! :)

Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>

> 
> Signed-off-by: Oskar Andero <oskar.andero@xxxxxxxxxxxxxx>
> ---
>  kernel/kprobes.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/kernel/kprobes.c b/kernel/kprobes.c
> index 3396eb8..03a9dd3 100644
> --- a/kernel/kprobes.c
> +++ b/kernel/kprobes.c
> @@ -168,7 +168,7 @@ static void init_kprobe_blacklist(void)
>  			kprobe_lookup_name(kretprobe_blacklist[i].name,
>  					   kretprobe_blacklist[i].addr);
>  			if (!kretprobe_blacklist[i].addr)
> -				printk("kretprobe: lookup failed: %s\n",
> +				pr_err("kretprobe: lookup failed: %s\n",
>  				       kretprobe_blacklist[i].name);
>  		}
>  	}
> @@ -777,7 +777,7 @@ static void reuse_unused_kprobe(struct kprobe *ap)
>  	 */
>  	op = container_of(ap, struct optimized_kprobe, kp);
>  	if (unlikely(list_empty(&op->list)))
> -		printk(KERN_WARNING "Warning: found a stray unused "
> +		pr_warn("Warning: found a stray unused "
>  			"aggrprobe@%p\n", ap->addr);
>  	/* Enable the probe again */
>  	ap->flags &= ~KPROBE_FLAG_DISABLED;
> @@ -884,7 +884,7 @@ static void __kprobes optimize_all_kprobes(void)
>  			if (!kprobe_disabled(p))
>  				optimize_kprobe(p);
>  	}
> -	printk(KERN_INFO "Kprobes globally optimized\n");
> +	pr_info("Kprobes globally optimized\n");
>  }
>  
>  /* This should be called with kprobe_mutex locked */
> @@ -908,7 +908,7 @@ static void __kprobes unoptimize_all_kprobes(void)
>  	}
>  	/* Wait for unoptimizing completion */
>  	wait_for_kprobe_optimizer();
> -	printk(KERN_INFO "Kprobes globally unoptimized\n");
> +	pr_info("Kprobes globally unoptimized\n");
>  }
>  
>  int sysctl_kprobes_optimization;
> @@ -979,7 +979,7 @@ static void __kprobes __disarm_kprobe(struct kprobe *p, bool reopt)
>  /* There should be no unused kprobes can be reused without optimization */
>  static void reuse_unused_kprobe(struct kprobe *ap)
>  {
> -	printk(KERN_ERR "Error: There should be no unused kprobe here.\n");
> +	pr_err("Error: There should be no unused kprobe here.\n");
>  	BUG_ON(kprobe_unused(ap));
>  }
>  
> @@ -2093,8 +2093,8 @@ EXPORT_SYMBOL_GPL(enable_kprobe);
>  
>  void __kprobes dump_kprobe(struct kprobe *kp)
>  {
> -	printk(KERN_WARNING "Dumping kprobe:\n");
> -	printk(KERN_WARNING "Name: %s\nAddress: %p\nOffset: %x\n",
> +	pr_warn("Dumping kprobe:\n");
> +	pr_warn("Name: %s\nAddress: %p\nOffset: %x\n",
>  	       kp->symbol_name, kp->addr, kp->offset);
>  }
>  
> @@ -2290,7 +2290,7 @@ static void __kprobes arm_all_kprobes(void)
>  	}
>  
>  	kprobes_all_disarmed = false;
> -	printk(KERN_INFO "Kprobes globally enabled\n");
> +	pr_info("Kprobes globally enabled\n");
>  
>  already_enabled:
>  	mutex_unlock(&kprobe_mutex);
> @@ -2312,7 +2312,7 @@ static void __kprobes disarm_all_kprobes(void)
>  	}
>  
>  	kprobes_all_disarmed = true;
> -	printk(KERN_INFO "Kprobes globally disabled\n");
> +	pr_info("Kprobes globally disabled\n");
>  
>  	for (i = 0; i < KPROBE_TABLE_SIZE; i++) {
>  		head = &kprobe_table[i];
> 


-- 
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@xxxxxxxxxxx


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