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Message-ID: <20051015073803.26937.qmail@web33311.mail.mud.yahoo.com>
Date: Sat, 15 Oct 2005 00:38:03 -0700 (PDT)
From: li nux <lnxluv@yahoo.com>
Subject: Re: lock_kernel twice possible ?
To: Coywolf Qi Hunt <coywolf@gmail.com>
Cc: linux <linux-kernel@vger.kernel.org>
In-Reply-To: <2cd57c900510150033o7bd44608vdc57cb32e335b933@mail.gmail.com>
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Sorry, couldn't get what you want to say.
Can you please elaborate.

--- Coywolf Qi Hunt <coywolf@gmail.com> wrote:

> On 10/15/05, li nux <lnxluv@yahoo.com> wrote:
> > Hi,
> >
> > I was going thru the NFS v3 code for SMP kernel
> 2.6.11
> > to see how an inode gets revalidated. I found that
> > there is a possibility that there may be an
> attempt to
> > do lock_kernel() twice.
> >
> > Is this possible ? If yes then how this deadlock
> > condition is/can be avoided.
> 
> The BKL is recursive!
> --
> Coywolf Qi Hunt
> http://sosdg.org/~coywolf/
> 


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