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Date: Thu, 20 Jul 2017 10:49:50 -0700 From: Mark Salyzyn <salyzyn@...roid.com> To: "Rafael J. Wysocki" <rjw@...ysocki.net>, Linux PM <linux-pm@...r.kernel.org> Cc: LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v2 2/3] PM / sleep: Mark suspend/hibernation start and finish On 07/19/2017 06:38 PM, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com> > > Regardless of whether or not debug messages from the core system > suspend/hibernation code are enabled, it is useful to know when > system-wide transitions start and finish (or fail), so print "info" > messages at these points. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com> > --- > > -> v2: Smiplified the messages as suggested by Mark. > > --- > kernel/power/hibernate.c | 5 +++++ > kernel/power/suspend.c | 2 ++ > 2 files changed, 7 insertions(+) > > Index: linux-pm/kernel/power/hibernate.c > =================================================================== > --- linux-pm.orig/kernel/power/hibernate.c > +++ linux-pm/kernel/power/hibernate.c > @@ -692,6 +692,7 @@ int hibernate(void) > goto Unlock; > } > > + pr_info("hibernation entry\n"); nit (minor): Many of the logs report a PM: prefix. Flipping coin that the 3 characters provides any real gain is in your hands. My WAG is it would be nice to be able to do dmesg | grep PM: Ack
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