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Date: Sat, 02 Feb 2013 08:46:39 +0530 From: anish kumar <anish198519851985@...il.com> To: akpm@...ux-foundation.org Cc: tglx@...utronix.de, mingo@...nel.org, chuansheng.liu@...el.com, linux-kernel@...r.kernel.org, Don Zickus <dzickus@...hat.com> Subject: Re: [PATCH] [Watchdog][Trivial] Added comments to explain watchdog_disabled variable On Fri, 2013-02-01 at 09:59 -0500, Don Zickus wrote: > On Fri, Feb 01, 2013 at 07:19:07PM +0530, anish kumar wrote: > > From: anish kumar <anish198519851985@...il.com> > > > > This watchdog_disabled flag is bit of cryptic.Howerver it's usefullnes is multifold. > > Uses are: > > 1. Check if smpboot_register_percpu_thread function passed. > > 2. Makes sure that user enables and disables the watchdog in sequence > > i.e. enable watchdog->disable watchdog->enable watchdog > > Unlike enable watchdog->enable watchdog which is wrong. > > > > Signed-off-by: anish kumar <anish198519851985@...il.com> > > --- > > kernel/watchdog.c | 5 +++++ > > 1 files changed, 5 insertions(+), 0 deletions(-) > > > > diff --git a/kernel/watchdog.c b/kernel/watchdog.c > > index 6ef638b..dfd843a 100644 > > --- a/kernel/watchdog.c > > +++ b/kernel/watchdog.c > > @@ -519,6 +519,11 @@ int proc_dowatchdog(struct ctl_table *table, int write, > > return ret; > > > > set_sample_period(); > > + /* > > + * We shouldn't enable watchdog threads if it is not > ^^^ > the 'not' is not needed I believe. Other than that, if it helps > to understand the code better. I am fine with it. > > Acked-by: Don Zickus <dzickus@...hat.com> Should I wait for some more acked-by's? > > > + * disabled.This is done by watchdog_disabled > > + * variable check in watchdog_*_all_cpus function. > > + */ > > if (watchdog_enabled && watchdog_thresh) > > watchdog_enable_all_cpus(); > > else > > -- > > 1.7.1 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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