linux-kernel - Re: [this_cpu_xx V8 07/16] Module handling: Use this_cpu

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:	Tue, 22 Dec 2009 10:17:48 -0600 (CST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Tejun Heo <tj@...nel.org>
cc:	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org, Mel Gorman <mel@....ul.ie>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Subject: Re: [this_cpu_xx V8 07/16] Module handling: Use this_cpu_xx to
 dynamically allocate counters

On Tue, 22 Dec 2009, Tejun Heo wrote:

> On 12/22/2009 08:28 AM, Rusty Russell wrote:
> > On Mon, 21 Dec 2009 06:29:36 pm Tejun Heo wrote:
> >> @@ -555,6 +556,7 @@ static void module_unload_free(struct module *mod)
> >>  				kfree(use);
> >>  				sysfs_remove_link(i->holders_dir, mod->name);
> >>  				/* There can be at most one match. */
> >> +				free_percpu(i->refptr);
> >>  				break;
> >>  			}
> >>  		}
> >
> > This looks very wrong.
>
> Indeed, thanks for spotting it.  Christoph, I'm rolling back all
> patches from this series.  Please re-post with updates.

Simply drop the chunk?


--
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/