linux-kernel - Re: [PATCH -mm 5/5] b43: Avoid unregistering device objects during suspend

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]

Message-Id: <200801251113.31325.mb@bu3sch.de>
Date:	Fri, 25 Jan 2008 11:13:30 +0100
From:	Michael Buesch <mb@...sch.de>
To:	Pavel Machek <pavel@....cz>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	bcm43xx-dev@...ts.berlios.de,
	Alessandro Rubini <rubini@...vis.unipv.it>,
	Richard Purdie <rpurdie@...ys.net>
Subject: Re: [PATCH -mm 5/5] b43: Avoid unregistering device objects during suspend

On Friday 25 January 2008 08:47:46 Pavel Machek wrote:
> On Fri 2008-01-25 01:37:33, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rjw@...k.pl>
> > 
> > Modify the b43 driver to avoid deadlocking suspend and resume,
> > which happens as a result of attempting to unregister device objects
> > locked by the PM core during suspend/resume cycles.  Also, make it
> > use a suspend-safe method of unregistering device object in the
> > resume error path.
> > 
> > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> > Acked-by: Michael Buesch <mb@...sch.de>
> 
> Maybe we should have global suspend_in_progress (or maybe system_state
> == suspending?) and automatically switch to schedule_removal() while
> it is set?
> 

That would be great, from my perspective :)

-- 
Greetings Michael.
--
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/