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Re: Sleeping in RCU list traversal
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From:
Peter Zijlstra <a.p.zijlstra@...>
To: Tetsuo Handa <penguin-kernel@...>
Cc: <junwang1234@...>, <linux-kernel@...>, <linux-security-module@...>
Subject:
Re: Sleeping in RCU list traversal
Date: Sunday, October 7, 2007 - 2:33 pm
On Mon, 2007-10-08 at 01:56 +0900, Tetsuo Handa wrote:
quoted text
> So, I don't need to grab a reference to "ptr" > because memory region pointed by "ptr" will never be kfree()ed. > And it is legal to use "ptr" after rcu_read_unlock() > because memory region pointed by "ptr" will never be kfree()ed.
Still think that is a very BAD (tm) idea. Esp since with the help of RCU there is hardly any performance loss of not doing proper deletes. -
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Messages in current thread:
Re:Sleeping in RCU list traversal
, Jun WANG
, (Sun Oct 7, 3:11 pm)
Re: Sleeping in RCU list traversal
, Tetsuo Handa
, (Sun Oct 7, 9:26 am)
Re: Sleeping in RCU list traversal
, Jun WANG
, (Sun Oct 7, 6:37 pm)
Re: Sleeping in RCU list traversal
, Tetsuo Handa
, (Sun Oct 7, 12:56 pm)
Re: Sleeping in RCU list traversal
, Peter Zijlstra
, (Sun Oct 7, 2:33 pm)
Re: Sleeping in RCU list traversal
, Tetsuo Handa
, (Sun Oct 7, 3:56 pm)
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