Messages in this thread | | | Date | Tue, 9 Aug 2011 16:01:10 +0800 | Subject | Re: [PATCH ] printk: add module parameter console_suspend_enabled to control console_suspend_enabled | From | Dave Young <> |
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On Tue, Aug 9, 2011 at 11:09 AM, Yanmin Zhang <yanmin_zhang@linux.intel.com> wrote: > We are enabling some power features on medfield. To test suspend-2-RAM > conveniently, we need turn on/off console_suspend_enabled frequently. > > Below patch adds a module parameter, so users could change it by: > /sys/module/printk/parameters/console_suspend_enabled
What about change name to no_console_suspend? Or it will be weird if boot kernel with both no_console_suspend and printk.console_suspend_enabled set.
> > Signed-off-by: Yanmin Zhang <yanmin.zhang@intel.com> > > --- > kernel/printk.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/kernel/printk.c b/kernel/printk.c > index 37dff34..ce00f1b 100644 > --- a/kernel/printk.c > +++ b/kernel/printk.c > @@ -1106,6 +1106,8 @@ static int __init console_suspend_disable(char *str) > return 1; > } > __setup("no_console_suspend", console_suspend_disable); > +module_param_named(console_suspend_enabled, console_suspend_enabled, > + bool, S_IRUGO | S_IWUSR); > > /** > * suspend_console - suspend the console subsystem > -- > 1.7.1 > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
-- Regards Yang RuiRui -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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