netdev - Re: [PATCH] replace deprecated RW_LOCK

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, 10 Dec 2008 14:00:44 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Eric Dumazet <dada1@...mosbay.com>
cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	"David S. Miller" <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH] replace deprecated RW_LOCK_UNLOCKED in
 net/dccp/proto.c


On Wed, 10 Dec 2008, Eric Dumazet wrote:

> cced netdev

Thanks,

> 
> Steven Rostedt a ?crit :
> >  
> >  struct inet_hashinfo __cacheline_aligned dccp_hashinfo = {
> > -	.lhash_lock	= RW_LOCK_UNLOCKED,
> > +	.lhash_lock	= __RW_LOCK_UNLOCKED(dccp_hashinfo.lhash_lock),
> >  	.lhash_users	= ATOMIC_INIT(0),
> >  	.lhash_wait = __WAIT_QUEUE_HEAD_INITIALIZER(dccp_hashinfo.lhash_wait),
> >  };
> > --
> 
> Hum... this rwlock doesnt exist anymore on net-next-2.6, all this stuff
> was converted to RCU for upcoming 2.6.29
> 
> struct inet_hashinfo dccp_hashinfo;
> EXPORT_SYMBOL_GPL(dccp_hashinfo);
> 
> I guess such a patch wont ease David job when 2.6.29 merge window opens

One of the requirements in the new rt git tree is that all rwlocks must 
use the __RW_LOCK_UNLOCK(lock) macro. I had to fix it in our tree, but 
whenever I do a clean up patch, I like to share it ;-)

-- Steve

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html