linux-kernel - Re: [linux-pm] [RFC][PATCH] PM: Introduce new top level suspend and hibernation callbacks (rev. 2)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 21 Mar 2008 01:26:31 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	pm list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Alexey Starikovskiy <astarikovskiy@...e.de>
Subject: Re: [linux-pm] [RFC][PATCH] PM: Introduce new top level suspend and hibernation callbacks (rev. 2)

On Friday, 21 of March 2008, Johannes Berg wrote:
> 
> > + * All of the above callbacks, except for @complete(), return error codes.
> > + * However, the error codes returned by the resume operations, @resume(),
> > + * @thaw(), and @restore(), are only printed in the system logs, since the PM
> > + * core cannot do anything else about them.
> 
> Why bother and not just make them return void, the error printing can
> most likely be done much much better in the callback since that possibly
> has information on why it failed.
> 
> > + * All of the above callbacks, return error codes, but the error codes returned
> > + * by the resume operations, @resume_noirq(), @thaw_noirq(), and
> > + * @restore_noirq(), are only printed in the system logs, since the PM core
> > + * cannot do anything else about them.
> 
> Same here, of course.

The errors returned are used by TRACE_RESUME(), for example.

Well, perhaps the comments should be changed instead. :-)

Thanks,
Rafael
--
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/