linux-kernel - Re: [PATCH 1,2/4 v2] slub: use __cmpxchg_double

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:	Fri, 18 May 2012 12:31:37 +0300 (EEST)
From:	Pekka Enberg <penberg@...nel.org>
To:	Christoph Lameter <cl@...ux.com>
cc:	Joonsoo Kim <js1304@...il.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH 1,2/4 v2] slub: use __cmpxchg_double_slab() at interrupt
 disabled place

On Thu, 17 May 2012, Christoph Lameter wrote:

> On Fri, 18 May 2012, Joonsoo Kim wrote:
> 
> > get_freelist() is only called by __slab_alloc() with interrupt disabled,
> > so __cmpxchg_double_slab() is suitable.
> >
> > unfreeze_partials() is only called with interrupt disabled,
> > so __cmpxchg_double_slab() is suitable.
> 
> Combine these sentences as well.
> 
> Acked-by: Christoph Lameter <cl@...ux.com>

You should add a comment on top of get_freelist() and unfreeze_partials() 
that they now *require* interrupts to be disabled.
--
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/