Re: [PATCH] drivers/misc/kgdbts.c: remove eprintk

[Arnd Bergmann]

On Saturday 03 November 2012, Julia Lawall wrote:
> @@ -113,10 +113,6 @@
>                 printk(KERN_INFO a); \
>                 touch_nmi_watchdog();   \
>         } while (0)
> -#define eprintk(a...) do { \
> -               printk(KERN_ERR a); \
> -               WARN_ON(1); \
> -       } while (0)
>   #define MAX_CONFIG_LEN                40
> 
>   static struct kgdb_io kgdbts_io_ops;
> @@ -323,7 +319,7 @@ static int check_and_rewind_pc(char *put_str, char *arg)
>                 v2printk("Emul: rewind hit single step bp\n");
>                 restart_from_top_after_write = 1;
>         } else if (strcmp(arg, "silent") && ip + offset != addr) {
> -               eprintk("kgdbts: BP mismatch %lx expected %lx\n",
> +               WARN(1, KERN_ERR "kgdbts: BP mismatch %lx expected %lx\n",
>                            ip + offset, addr);
>                 return 1;
>         }

Hmm, I did not think that WARN() took a KERN_ERR argument, which should
really be implied here. Looking at the code, it really seems to be required
at the moment, but only 5 out of 117 callers use it this way.

Any idea what is going on here?

	Arnd
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