linux-kernel - Re: error to be returned while suspended

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:	Wed, 4 Oct 2006 13:19:33 +0200
From:	Pavel Machek <pavel@....cz>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: error to be returned while suspended

On Tue 2006-10-03 13:23:00, Oliver Neukum wrote:
> Hi,
> 
> which error should a character device return if a read/write cannot be
> serviced because the device is suspended? Shouldn't there be an error
> code specific to that?

If you are talking system suspend, then userspace should not run while
devices are suspended.

If you are talking runtime suspend, you should probably just wake the
device up on first access.
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
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/