linux-kernel - Re: [TOMOYO #14 (mmotm 2008-12-30-16-05) 02/10] Singly linked list implementation.

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Message-Id: <200901140857.n0E8vwbg098948@www262.sakura.ne.jp>
Date:	Wed, 14 Jan 2009 17:57:58 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
To:	jmorris@...ei.org
Cc:	akpm@...ux-foundation.org, linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com
Subject: Re: [TOMOYO #14 (mmotm 2008-12-30-16-05) 02/10] Singly linked list implementation.

James Morris wrote:
> > By ommiting pointer to previous element, the reader becomes read lock free,
> > which is good thing for implementing "write once read many" list.
> 
> This has a technical ack from Paul, but what about Linus' long-standing 
> objection to singly-linked lists in the kernel?  I'm sure this has been 
> discussed re. your patches, but I can't find a reference.
> 
OK, for reviewers' ease, I purged list1 for now.

Next posting (#15) will use standard doubly linked list with rw_semaphore.

Thanks.
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