Re: 2.6.23-rc6-mm1: IPC: sleeping function called ...

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From: Andrew Morton

Subject: Re: 2.6.23-rc6-mm1: IPC: sleeping function called ...

Date: Tuesday, September 18, 2007 - 9:57 am

On Tue, 18 Sep 2007 09:13:37 -0700 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:

quoted text> On Tue, Sep 18, 2007 at 02:24:51PM +0200, Peter Zijlstra wrote:
> > On Tue, 18 Sep 2007 03:34:00 -0700 Andrew Morton
> > <akpm@linux-foundation.org> wrote:
> > 
> > > Well, it was an optimisation.  spin_lock() implies rcu_read_lock().  That's
> > > a bit dirty and we might choose to not do that.
> > 
> > Not true for the preemptible-rcu work. All such sites should be fixed,
> > or at the very least heavily annotated.
> 
> What he said!!!
> 

What he said!

How are you going to find all such sites?
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Messages in current thread:

Re: 2.6.23-rc6-mm1: IPC: sleeping function called ..., Paul E. McKenney, (Tue Sep 18, 9:13 am)

Re: 2.6.23-rc6-mm1: IPC: sleeping function called ..., Andrew Morton, (Tue Sep 18, 9:57 am)

Re: 2.6.23-rc6-mm1: IPC: sleeping function called ..., Paul E. McKenney, (Tue Sep 18, 11:29 am)

Re: 2.6.23-rc6-mm1: IPC: sleeping function called ..., Peter Zijlstra, (Tue Sep 18, 12:41 pm)

[PATCH 1/2] lockdep: annotate rcu_read_lock(), Peter Zijlstra, (Tue Sep 18, 1:26 pm)

[RFC][PATCH 2/2] lockdep: rcu_dereference() vs rcu_read_lock(), Peter Zijlstra, (Tue Sep 18, 1:27 pm)

Re: [RFC][PATCH 2/2] lockdep: rcu_dereference() vs rcu_rea ..., Paul E. McKenney, (Tue Sep 18, 2:21 pm)


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