From: Yanmin Zhang <yanmin_zhang@linux.intel.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: shuox.liu@intel.com, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, pavel@ucw.cz, rjw@sisk.pl,
len.brown@intel.com, Zhang Yanmin <yanmin.zhang@intel.com>
Subject: Re: [PATCH 1/2] PM: use dpm_run_callback in device_prepare
Date: Sat, 08 Jun 2013 08:43:55 +0800 [thread overview]
Message-ID: <1370652235.4432.70.camel@ymzhang.sh.intel.com> (raw)
In-Reply-To: <20130607173706.GA29615@kroah.com>
On Fri, 2013-06-07 at 10:37 -0700, Greg KH wrote:
> On Fri, Jun 07, 2013 at 04:20:31PM +0800, shuox.liu@intel.com wrote:
> > From: ShuoX Liu <shuox.liu@intel.com>
> >
> > dpm_run_callback could show more debug info around prepare stage.
>
> Why? Who needs this? What problem does it solve?
>
> Without answers to this, why would you expect us to accept such a
> change?
It's to provide more debug info and developers can quickly find what
prepare/complete callback consumes too much time.
next prev parent reply other threads:[~2013-06-08 0:41 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-07 8:20 [PATCH 0/2] Run callback of device_prepare/complete consistently shuox.liu
2013-06-07 8:20 ` [PATCH 1/2] PM: use dpm_run_callback in device_prepare shuox.liu
2013-06-07 17:37 ` Greg KH
2013-06-08 0:43 ` Yanmin Zhang [this message]
2013-06-08 1:15 ` Greg KH
2013-06-08 1:21 ` Yanmin Zhang
2013-06-07 8:20 ` [PATCH 2/2] PM: add dpm_run_callback_void and use it in device_complete shuox.liu
2013-06-07 17:38 ` Greg KH
2013-06-07 10:36 ` [PATCH 0/2] Run callback of device_prepare/complete consistently Rafael J. Wysocki
2013-06-08 0:42 ` Yanmin Zhang
2013-06-08 0:54 ` Rafael J. Wysocki
2013-06-08 1:17 ` Yanmin Zhang
2013-06-08 1:25 ` Rafael J. Wysocki
2013-06-08 1:16 ` Greg KH
2013-06-08 1:30 ` Rafael J. Wysocki
2013-06-08 1:36 ` Yanmin Zhang
2013-06-08 1:52 ` Rafael J. Wysocki
2013-06-08 2:37 ` Yanmin Zhang
2013-06-08 10:54 ` Rafael J. Wysocki
2013-06-09 8:11 ` ShuoX Liu
2013-06-08 1:30 ` Yanmin Zhang
2013-06-10 11:50 ` Pavel Machek
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