linux-kernel - Re: Subject: [PATCH] kobject: fix the race between kobject_del and get_device

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20141105031345.GA29392@htj.dyndns.org>
Date:	Tue, 4 Nov 2014 22:13:45 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Yijing Wang <wangyijing@...wei.com>
Cc:	Weng Meiling <wengmeiling.weng@...wei.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Frans Klaver <fransklaver@...il.com>,
	Jens Axboe <axboe@...nel.dk>, akpm@...ux-foundation.org,
	adilger.kernel@...ger.ca, Jan Kara <jack@...e.cz>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Xiang Rui <rui.xiang@...wei.com>,
	Li Zefan <lizefan@...wei.com>,
	Huang Qiang <h.huangqiang@...wei.com>,
	Zhao Hongjiang <zhaohongjiang@...wei.com>
Subject: Re: Subject: [PATCH] kobject: fix the race between kobject_del and
 get_device_parent

Hello,

On Wed, Nov 05, 2014 at 10:01:39AM +0800, Yijing Wang wrote:
> > So, yeah, this looks like a correct approach; however, do we even need
> > to clear the glue directories? 
> 
> Yes. In our platform, the glue directories
> /sys/devices/virtual/block will be removed once the last child
> device call device_del().

What I mean is why are we even trying to remove the parent directory?
Can't we just keep them around once created?

Thanks.

-- 
tejun
--
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/