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From: Johannes Berg <johannes@sipsolutions.net>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Greg KH <gregkh@linuxfoundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Hugh Dickins <hughd@google.com>, Borislav Petkov <bp@alien8.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	stable <stable@vger.kernel.org>,
	lwn@lwn.net
Subject: Re: Linux 3.0.92
Date: Tue, 20 Aug 2013 22:07:53 +0200	[thread overview]
Message-ID: <1377029273.13829.31.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <20130820200035.GA2524@roeck-us.net> (sfid-20130820_220040_728852_29A311B1)

On Tue, 2013-08-20 at 13:00 -0700, Guenter Roeck wrote:

> Does this patch have to be reverted in 3.10 as well ? Linus' e-mail seems to
> suggest it, but Shuah didn't see the problem there.  I ran a quick test with
> 3.10.8 on an x86 system and did not see a problem either, at least not
> immediately. 

Yes, it does. I'm not sure how hard it is to actually run into the
deadlock, though Sergey Senozhatsky said he had seen it.

The patch I just posted with the RCU protection actually pretty much
reverts my other patch as part of it.

johannes


  reply	other threads:[~2013-08-20 20:08 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-20 15:57 Linux 3.0.92 Greg KH
2013-08-20 15:57 ` Greg KH
2013-08-20 16:33 ` Linus Torvalds
2013-08-20 16:43   ` Greg KH
2013-08-20 19:36     ` Johannes Berg
2013-08-20 20:00     ` Guenter Roeck
2013-08-20 20:07       ` Johannes Berg [this message]
2013-08-20 20:08       ` Linus Torvalds
2013-08-20 20:19         ` Guenter Roeck
2013-08-20 18:52   ` David Miller

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