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

!MAILaRCHIVE_VOTE_RePLACE
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To: <jmorris@...>
Cc: <linux-kernel@...>, <linux-security-module@...>, <chrisw@...>
Date: Wednesday, October 3, 2007 - 9:04 am

James Morris wrote:
Too bad...

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.

Regards.

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Messages in current thread:
[TOMOYO 14/15](repost) LSM expansion for TOMOYO Linux., Kentaro Takeda, (Tue Oct 2, 3:39 am)
[TOMOYO 13/15](repost) Conditional permission support., Kentaro Takeda, (Tue Oct 2, 3:39 am)
[TOMOYO 12/15](repost) LSM adapter for TOMOYO., Kentaro Takeda, (Tue Oct 2, 3:38 am)
[TOMOYO 08/15](repost) Argv[0] access control functions., Kentaro Takeda, (Tue Oct 2, 3:35 am)
[TOMOYO 07/15](repost) File access control functions., Kentaro Takeda, (Tue Oct 2, 3:34 am)
[TOMOYO 06/15](repost) Auditing interface., Kentaro Takeda, (Tue Oct 2, 3:33 am)
Re: [TOMOYO 05/15](repost) Domain transition handler functio..., YOSHIFUJI Hideaki / , (Wed Oct 3, 7:43 am)
Re: [TOMOYO 05/15](repost) Domain transition handler functio..., Tetsuo Handa, (Wed Oct 3, 9:04 am)
Sleeping in RCU list traversal, Tetsuo Handa, (Sun Oct 7, 6:38 am)
Re: [TOMOYO 05/15](repost) Domain transition handler functio..., YOSHIFUJI Hideaki / , (Wed Oct 3, 10:32 am)
Re: [TOMOYO 05/15](repost) Domain transition handler functio..., YOSHIFUJI Hideaki / , (Wed Oct 3, 9:11 am)
Re: [TOMOYO 05/15](repost) Domain transition handler functio..., YOSHIFUJI Hideaki / , (Tue Oct 2, 9:00 am)