On 14-06-05 03:17 PM, Randy Dunlap wrote:
On 06/05/2014 03:09 PM, eric.er...@linux.intel.com wrote:
From: Eric Ernst <eric.er...@linux.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.
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.er...@linux.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";
--
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