diff options
| author | Randy Dunlap <randy.dunlap@oracle.com> | 2007-07-15 23:40:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 09:05:45 -0700 |
| commit | e84845c4bf9a00533352e5805b35f42acdb04a1e (patch) | |
| tree | d5791d8f19b97d8ae925cde32d59d53521e405a7 /kernel | |
| parent | 185848707e73382ba930857502a0b80ff6039967 (diff) | |
add printk.time option, deprecate 'time'
Allow printk_time to be enabled or disabled at boot time. Previously it
could be enabled only, but not disabled.
Change printk_time from an int to a bool since that's what it is. Make its
logical (exposed) name just be "time" (was "printk_time").
Note: Changes kernel boot option syntax from "time" to "printk.time=value".
Since printk_time is declared as a module_param, it can also be
changed at run-time by modifying
/sys/module/printk/parameters/time
to a value of 1/Y/y to enabled it or 0/N/n to disable it.
Since printk_time is declared as a module_param, its value can also
be set at boot-time by using
linux printk.time=<bool>
If the "time" boot option is used, print a message that it is deprecated
and will be removed.
Note its planned removal in feature-removal-schedule.txt.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/printk.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index f46cc6dff46..fccacf706f5 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -449,13 +449,16 @@ static int printk_time = 1; #else static int printk_time = 0; #endif -module_param(printk_time, int, S_IRUGO | S_IWUSR); +module_param_named(time, printk_time, bool, S_IRUGO | S_IWUSR); static int __init printk_time_setup(char *str) { if (*str) return 0; printk_time = 1; + printk(KERN_NOTICE "The 'time' option is deprecated and " + "is scheduled for removal in early 2008\n"); + printk(KERN_NOTICE "Use 'printk.time=<value>' instead\n"); return 1; } |