linux-kernel - Re: [PATCH v1 1/1] Add kernel parameter for kernel version

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Date:	Thu, 05 Jun 2014 15:17:28 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	eric.ernst@...ux.intel.com, akpm@...ux-foundation.org,
	jwboyer@...oraproject.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/1] Add kernel parameter for kernel version

On 06/05/2014 03:09 PM, eric.ernst@...ux.intel.com wrote:
> From: Eric Ernst <eric.ernst@...ux.intel.com>
> 
> Create a kernel cmdline parameter, "version_addendum", which can be
> used to add text to the kernel version that is reported from
> /proc/version.

and you still didn't update Documentation/kernel-parameters.txt.

> Signed-off-by: Eric Ernst <eric.ernst@...ux.intel.com>
> ---
>  fs/proc/version.c |   14 +++++++++++++-
>  init/version.c    |    2 +-
>  2 files changed, 14 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/proc/version.c b/fs/proc/version.c
> index d2154eb6d78f..442e69e3eecb 100644
> --- a/fs/proc/version.c
> +++ b/fs/proc/version.c
> @@ -5,12 +5,17 @@
>  #include <linux/seq_file.h>
>  #include <linux/utsname.h>
>  
> +#define ADDENDUM_LENGTH 20
> +static char version_addendum[ADDENDUM_LENGTH];
> +
>  static int version_proc_show(struct seq_file *m, void *v)
>  {
>  	seq_printf(m, linux_proc_banner,
>  		utsname()->sysname,
>  		utsname()->release,
> -		utsname()->version);
> +		utsname()->version,
> +		version_addendum);
> +
>  	return 0;
>  }
>  
> @@ -26,6 +31,13 @@ static const struct file_operations version_proc_fops = {
>  	.release	= single_release,
>  };
>  
> +static int __init set_version_addendum(char *str)
> +{
> +	strncpy(version_addendum, str, ADDENDUM_LENGTH-1);
> +	return 0;
> +}
> +early_param("version_addendum", set_version_addendum);
> +
>  static int __init proc_version_init(void)
>  {
>  	proc_create("version", 0, NULL, &version_proc_fops);
> diff --git a/init/version.c b/init/version.c
> index 1a4718e500fe..180059b69b7a 100644
> --- a/init/version.c
> +++ b/init/version.c
> @@ -47,4 +47,4 @@ const char linux_banner[] =
>  const char linux_proc_banner[] =
>  	"%s version %s"
>  	" (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")"
> -	" (" LINUX_COMPILER ") %s\n";
> +	" (" LINUX_COMPILER ") %s " "%s\n";
> 


-- 
~Randy
--
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