Re: [TOMOYO 05/15](repost) Domain transition handler functions.

[YOSHIFUJI Hideaki / 吉藤英明]

In article <200710032204.DFF51552.OFOSOFMVQtHLJF@xxxxxxxxxxxxxxxxxxx> (at Wed, 3 Oct 2007 22:04:11 +0900), Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> says:

> Well, is there a way to avoid read_lock when reading list?
> 
> Currently, TOMOYO Linux avoids read_lock, on the assumption that
> (1) First, ptr->next is initialized with NULL.
> (2) Later, ptr->next is assigned non-NULL address.
> (3) Assigning to ptr->next is done atomically.

RCU?

--yoshfuji
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