Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1214142

Re: [PATCH] s390/jump_label: Use %*ph to print small buffers

From Tillmann Heidsieck <theidsieck@leenox.de>
Newsgroups linux.kernel
Subject Re: [PATCH] s390/jump_label: Use %*ph to print small buffers
Date 2015-08-26 21:10 +0200
Message-ID <q1Of8-6fF-15@gated-at.bofh.it> (permalink)
References <q1O5s-5Pg-27@gated-at.bofh.it>
Organization leenox.de

Show all headers | View raw


Hi Alexander,

On 2015-08-26 20:49, Alexander Kuleshov wrote:
> printk() supports %*ph format specifier for printing a small buffers,
> let's use it intead of %02x %02x...

noble effort ...

>  	pr_emerg("Jump label code mismatch at %pS [%p]\n", ipc, ipc);
> -	pr_emerg("Found:    %02x %02x %02x %02x %02x %02x\n",
> +	pr_emerg("Found:    %6ph\n",
>  		 ipc[0], ipc[1], ipc[2], ipc[3], ipc[4], ipc[5]);
> -	pr_emerg("Expected: %02x %02x %02x %02x %02x %02x\n",
> +	pr_emerg("Expected: %6ph\n",
>  		 ipe[0], ipe[1], ipe[2], ipe[3], ipe[4], ipe[5]);
> -	pr_emerg("New:      %02x %02x %02x %02x %02x %02x\n",
> +	pr_emerg("New:      %6ph\n",
>  		 ipn[0], ipn[1], ipn[2], ipn[3], ipn[4], ipn[5]);
>  	panic("Corrupted kernel text");
>  }

... but you might want to check our code before submission (e.g. compile 
it!)

Cheers
Tillmann
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH] s390/jump_label: Use %*ph to print small buffers Alexander Kuleshov <kuleshovmail@gmail.com> - 2015-08-26 21:00 +0200
  Re: [PATCH] s390/jump_label: Use %*ph to print small buffers Tillmann Heidsieck <theidsieck@leenox.de> - 2015-08-26 21:10 +0200
    Re: [PATCH] s390/jump_label: Use %*ph to print small buffers Alexander Kuleshov <kuleshovmail@gmail.com> - 2015-08-26 21:20 +0200

csiph-web