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

[eric ernst]

On 14-06-05 03:17 PM, Randy Dunlap wrote:
> 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.
Correct - I was waiting for the initial feedback of whether this would 
be useful to community before doing this, sorry for the thrash, Randy.
> > 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";

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