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

From: Randy Dunlap
Date: Thu Jun 05 2014 - 18:17:38 EST


On 06/05/2014 03:09 PM, eric.ernst@xxxxxxxxxxxxxxx wrote:
> From: Eric Ernst <eric.ernst@xxxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxxx>
> ---
> 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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