linux-kernel - RE: [PATCH] timekeeping: check params before use them

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Date:	Thu, 27 Mar 2014 18:13:43 -0700
From:	Neil Zhang <zhangwm@...vell.com>
To:	John Stultz <john.stultz@...aro.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] timekeeping: check params before use them




> -----Original Message-----
> From: John Stultz [mailto:john.stultz@...aro.org]
> Sent: 2014年3月28日 1:26
> To: Neil Zhang; tglx@...utronix.de
> Cc: linux-kernel@...r.kernel.org
> Subject: Re: [PATCH] timekeeping: check params before use them
> 
> On 03/27/2014 01:12 AM, Neil Zhang wrote:
> > Sometimes we won't need all the information from
> > get_xtime_and_monotonic_and_sleep_offset(),
> > so let's check the params before assign the value to them.
> 
> So I think the single in-kernel user of this function does use all of the
> information.
> 
> Can you expand on how your using this and why the extra conditionals are
> worth while?
> 

Please refer to my another patch.
printk: add sleep time into timestamp

I want to add sleep time into printk's timestamp.

> thanks
> -john

Best Regards,
Neil Zhang