linux-kernel - Re: [PATCH] [Watchdog][Trivial] Added comments to explain watchdog

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Date:	Fri, 15 Feb 2013 11:29:59 -0500
From:	Don Zickus <dzickus@...hat.com>
To:	anish singh <anish198519851985@...il.com>
Cc:	Ingo Molnar <mingo@...nel.org>, akpm@...ux-foundation.org,
	tglx@...utronix.de, chuansheng.liu@...el.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [Watchdog][Trivial] Added comments to explain
 watchdog_disabled variable

On Wed, Feb 13, 2013 at 03:28:00PM +0530, anish singh wrote:
> On Wed, Feb 13, 2013 at 2:51 PM, Ingo Molnar <mingo@...nel.org> wrote:
> >
> > * anish singh <anish198519851985@...il.com> wrote:
> >
> >> Is the below patch picked up?
> >>
> >> On Sun, Feb 3, 2013 at 9:31 PM, anish kumar <anish198519851985@...il.com> 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 75a2ab3..87a19aa 100644
> >> > --- a/kernel/watchdog.c
> >> > +++ b/kernel/watchdog.c
> >> > @@ -518,6 +518,11 @@ int proc_dowatchdog(struct ctl_table *table, int write,
> >> >                 return ret;
> >> >
> >> >         set_sample_period();
> >> > +       /*
> >> > +        * We shouldn't enable watchdog threads if it is
> >> > +        * disabled.This is done by watchdog_disabled
> >> > +        * variable check in watchdog_*_all_cpus function.
> >
> > It has two grammatic and a stylistic error in it, plus misses
> Would you mind pointing it out to me the grammatical mistakes
> as I am not that good with grammar.

I am not entirely sure which ones Ingo is referring to, but what I see are

'disabled.This' needs a space after period
'This is done by watchdog_disabled' needs a 'the' after 'by'
'variable check in watchdog..' needs a 'the' after 'in'.

in addition to the missing ()'s after 'watchdog_*_all_cpus.

Unless I am missing something else, I think that is it.

Cheers,
Don

> I thought I followed the conventions as below:
> /*
>  *
>  *
>  */
> > the convention that function names are mentioned with a '()'.
> >
> > Thanks,
> >
> >         Ingo
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