linux-kernel - Re: [PATCH] debug work struct cancel deadlocks with lockdep

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: <1183626647.7054.61.camel@twins>
Date:	Thu, 05 Jul 2007 11:10:47 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...sign.ru>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Sattler <tsattler@....de>
Subject: Re: [PATCH] debug work struct cancel deadlocks with lockdep

On Thu, 2007-07-05 at 11:08 +0200, Johannes Berg wrote:
> On Thu, 2007-07-05 at 11:01 +0200, Peter Zijlstra wrote:
> 
> > You could of course make this STATIC_LOCKDEP_MAP_INIT() and place it
> > near lockdep_init_map() :-)
> > 
> > That way it would be clear that changes to either ought to be reflected
> > in the other.
> 
> Sure. I have to repost anyway :)
> 
> How about
> 
> +/* both _name and _key must not be NULL */
> +#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \
> +	{ .name = (_name), .key = (_key), }

looks sane enough :-)

> That'll still require some #ifdef foo inside workqueue.h but I think
> it's cleaner to put just this into lockdep.h

It is.

-
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/