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From: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
To: EunTaik Lee <eun.taik.lee@samsung.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Re: Re: [PATCH] fix race condition between device_del and device_add
Date: Mon, 30 Mar 2015 16:24:14 +0200	[thread overview]
Message-ID: <20150330142414.GB10446@kroah.com> (raw)
In-Reply-To: <1542775927.100611427724147567.JavaMail.weblogic@epmlwas08c>

On Mon, Mar 30, 2015 at 02:02:27PM +0000, EunTaik Lee wrote:
> 
> The problem was on 3.10.49.
> 
> I carefully looked up the patches again and found out that there was
> a patch on 3.18 that will solve the problem
> 
> commit	e4a60d139060975eb956717e4f63ae348d4d8cc5
> sysfs: driver core: Fix glue dir race condition by gdp_mutex

Yes, you need a "real" lock to fix this type of race condition, I
thought we had fixed this a while ago, thanks for verifying it.

greg k-h

      reply	other threads:[~2015-03-30 14:24 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-30 14:02 EunTaik Lee
2015-03-30 14:24 ` gregkh [this message]

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