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From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Pekka Enberg <penberg@kernel.org>, Avi Kivity <avi@redhat.com>,
	Sasha Levin <levinsasha928@gmail.com>,
	john@jfloren.net, kvm@vger.kernel.org, asias.hejun@gmail.com,
	gorcunov@gmail.com, prasadjoshi124@gmail.com
Subject: Re: [PATCH 4/6] kvm tools: Add rwlock wrapper
Date: Fri, 27 May 2011 08:48:42 -0400	[thread overview]
Message-ID: <20110527124842.GB29744@Krystal> (raw)
In-Reply-To: <20110527091220.GE21386@elte.hu>

* Ingo Molnar (mingo@elte.hu) wrote:
> > [ ... ]
> >
> > All that aside, one advantage of http://lttng.org/urcu is that it 
> > already exists, which allows prototyping to proceed immediately.  
> 
> it's offline right now:
> 
>  $ git clone git://git.lttng.org/urcu
>  Cloning into urcu...
>  fatal: The remote end hung up unexpectedly

This would be:

git clone git://git.lttng.org/userspace-rcu.git

I'll make sure a symlink for urcu -> userspace-rcu.git gets setup
shortly.

> One complication is that it's LGPL while tools/kvm/ is GPLv2. I guess 
> we could copy a suitable implementation into tools/kvm/rcu/?

That might make sense, yes. The intent of having liburcu LGPL is really
to give as much liberty for apps developers to link to it as they
have calling Linux kernel system calls. This peculiarness of the GPL
Linux is able to use to let non-GPL apps use it does not apply so
clearly to libraries, hence the use of LGPL for all my libs that support
application execution.

Thanks,

Mathieu

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com

  reply	other threads:[~2011-05-27 12:48 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-26 14:25 [PATCH 1/6] kvm tools: Prevent double assignment of guest memory info Sasha Levin
2011-05-26 14:25 ` [PATCH 2/6] kvm tools: Exit VCPU thread only when SIGKVMEXIT is received Sasha Levin
2011-05-26 14:25 ` [PATCH 3/6] kvm tools: Protect IRQ allocations by a mutex Sasha Levin
2011-05-26 14:25 ` [PATCH 4/6] kvm tools: Add rwlock wrapper Sasha Levin
2011-05-26 16:02   ` Pekka Enberg
2011-05-26 16:19     ` Sasha Levin
2011-05-26 18:05       ` Ingo Molnar
2011-05-26 18:11         ` Avi Kivity
2011-05-26 18:21           ` Pekka Enberg
2011-05-26 18:57             ` Sasha Levin
2011-05-26 23:09               ` Mathieu Desnoyers
2011-05-27 10:19                 ` Sasha Levin
2011-05-27 10:36                   ` Ingo Molnar
2011-05-27 15:52                     ` Sasha Levin
2011-05-27 17:10                       ` Ingo Molnar
2011-05-27 20:19                         ` Sasha Levin
2011-05-28 15:24                           ` Ingo Molnar
2011-05-28 16:44                             ` Paul E. McKenney
2011-05-28 19:45                             ` Sasha Levin
2011-05-29  6:47                               ` Avi Kivity
2011-05-29  7:19                                 ` Ingo Molnar
2011-05-29 15:31                                   ` Paul E. McKenney
2011-05-29 15:51                                     ` Paul E. McKenney
2011-05-29 19:54                                       ` Ingo Molnar
2011-05-30  3:12                                         ` Paul E. McKenney
2011-05-29 16:22                                     ` Sasha Levin
2011-05-27 13:14                   ` Mathieu Desnoyers
2011-05-29 17:01                     ` RCU red-black tree (was: Re: [PATCH 4/6] kvm tools: Add rwlock wrapper) Mathieu Desnoyers
2011-05-29 17:48                       ` Sasha Levin
2011-05-30  2:54                         ` Mathieu Desnoyers
2011-05-30  6:07                           ` Sasha Levin
2011-05-30 11:30                             ` Mathieu Desnoyers
2011-05-30 17:38                             ` Mathieu Desnoyers
2011-05-30 17:50                               ` Mathieu Desnoyers
2011-05-30 17:52                               ` Sasha Levin
2011-05-30 18:57                                 ` Mathieu Desnoyers
2011-05-30 19:11                                   ` Sasha Levin
2011-05-31 13:05                                   ` Sasha Levin
2011-05-31 13:09                                     ` Ingo Molnar
2011-05-31 13:20                                       ` Sasha Levin
2011-05-31 15:25                                         ` Ingo Molnar
2011-05-31 19:09                                           ` Prasad Joshi
2011-05-31 19:31                                             ` Ingo Molnar
2011-06-02 14:55                                     ` Mathieu Desnoyers
2011-05-30  3:38                       ` Paul E. McKenney
2011-05-30 11:18                         ` Mathieu Desnoyers
2011-05-26 20:25             ` [PATCH 4/6] kvm tools: Add rwlock wrapper Ingo Molnar
2011-05-26 23:05               ` Mathieu Desnoyers
2011-05-27  0:58                 ` Paul E. McKenney
2011-05-27  9:12                   ` Ingo Molnar
2011-05-27 12:48                     ` Mathieu Desnoyers [this message]
2011-05-27 13:19                       ` Ingo Molnar
2011-05-27 13:29                         ` Mathieu Desnoyers
2011-05-27 13:36                           ` Ingo Molnar
2011-05-27 17:22                     ` Paul E. McKenney
2011-05-27 10:25                 ` Ingo Molnar
2011-05-27 11:07                   ` Ingo Molnar
2011-05-27 11:10                     ` Ingo Molnar
2011-05-27 11:24                       ` Ingo Molnar
2011-05-27 14:18                         ` Mathieu Desnoyers
2011-05-27 14:11                     ` Mathieu Desnoyers
2011-05-28 18:12                     ` Avi Kivity
2011-05-28 18:32                       ` Ingo Molnar
2011-05-29  6:41                         ` Avi Kivity
2011-05-29  7:35                           ` Ingo Molnar
2011-05-29  7:54                             ` Avi Kivity
2011-05-29 12:37                               ` Ingo Molnar
2011-05-29 12:48                                 ` Avi Kivity
2011-05-29 14:27                                   ` Ingo Molnar
2011-05-29 15:00                                     ` Avi Kivity
2011-05-29 15:38                                       ` Paul E. McKenney
2011-05-29 19:33                                         ` Ingo Molnar
2011-05-30  3:07                                           ` Paul E. McKenney
2011-05-30  8:12                                             ` Ingo Molnar
2011-05-27 13:22                   ` Mathieu Desnoyers
2011-05-27 13:31                     ` Ingo Molnar
2011-05-28 18:14                       ` Avi Kivity
2011-05-27 13:07                 ` Ingo Molnar
2011-05-26 14:25 ` [PATCH 5/6] kvm tools: Protect MMIO tree by rwsem Sasha Levin
2011-05-26 14:25 ` [PATCH 6/6] kvm tools: Protect IOPORT " Sasha Levin
2011-05-26 16:01   ` Pekka Enberg
2011-05-26 16:19     ` Sasha Levin

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