linux-kernel - Re: removing refrigerator does not help with s2ram vs. fuse deadlocks (was Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway)

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: <20070705142600.GB22598@srcf.ucam.org>
Date:	Thu, 5 Jul 2007 15:26:00 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Pavel Machek <pavel@....cz>, Paul Mackerras <paulus@...ba.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Johannes Berg <johannes@...solutions.net>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: removing refrigerator does not help with s2ram vs. fuse deadlocks (was Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway)

On Thu, Jul 05, 2007 at 04:28:11PM +0200, Rafael J. Wysocki wrote:
> On Thursday, 5 July 2007 15:57, Matthew Garrett wrote:
> > And also "Userland should not depend on userland services", which is 
> > rather more of a problem.
> 
> I think you're oversimplifying it, as far as FUSE is concerned.
> 
> Namely, if there are two userland tasks, A and B, and B is uninterruptible,
> because A is blocked, then this is not a usual situation.

Fuse is one case of it occuring, and if we end up with more userspace 
drivers then the problem is only going to get worse.
-- 
Matthew Garrett | mjg59@...f.ucam.org
-
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/