linux-kernel - Re: [PATCH] kexec: Add prefix "kexec" to output message

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Date:	Sun, 13 Sep 2015 11:52:41 -0500
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Minfei Huang <mnfhuang@...il.com>
Cc:	akpm@...ux-foundation.org, dyoung@...hat.com,
	kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
	mhuang@...hat.com
Subject: Re: [PATCH] kexec: Add prefix "kexec" to output message

Minfei Huang <mnfhuang@...il.com> writes:

> kexec output message misses the prefix "kexec", when Dave Young split
> the kexec code. To keep the same format, add the prefix "kexec" to
> output message.

What of kexec_core? What of the messages that already have a prefix?

Eric

> Following is the format of output message now.
> [  140.290795] SYSC_kexec_load: hello, world
>
> Ideally, the format of output message likes below.
> [  140.291534] kexec: sanity_check_segment_list: hello, world
>
> Signed-off-by: Minfei Huang <mnfhuang@...il.com>
> ---
>  kernel/kexec.c      | 2 ++
>  kernel/kexec_file.c | 2 ++
>  2 files changed, 4 insertions(+)
>
> diff --git a/kernel/kexec.c b/kernel/kexec.c
> index 4c5edc3..15351ba 100644
> --- a/kernel/kexec.c
> +++ b/kernel/kexec.c
> @@ -6,6 +6,8 @@
>   * Version 2.  See the file COPYING for more details.
>   */
>  
> +#define pr_fmt(fmt)	"kexec: " fmt
> +
>  #include <linux/capability.h>
>  #include <linux/mm.h>
>  #include <linux/file.h>
> diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
> index 6a9a3f2..b1ad01b 100644
> --- a/kernel/kexec_file.c
> +++ b/kernel/kexec_file.c
> @@ -9,6 +9,8 @@
>   * Version 2.  See the file COPYING for more details.
>   */
>  
> +#define pr_fmt(fmt)	"kexec: " fmt
> +
>  #include <linux/capability.h>
>  #include <linux/mm.h>
>  #include <linux/file.h>
--
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