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From: Gustavo Padovan <gustavo@padovan.org>
To: Andrei Emeltchenko <andrei.emeltchenko.news@gmail.com>,
	Mat Martineau <mathewm@codeaurora.org>,
	linux-bluetooth@vger.kernel.org, pkrystad@codeaurora.org
Subject: Re: [PATCHv2 2/2] Bluetooth: Lock the L2CAP channel when sending
Date: Tue, 8 May 2012 04:44:51 -0300	[thread overview]
Message-ID: <20120508074451.GA19057@joana> (raw)
In-Reply-To: <20120508074223.GA29352@aemeltch-MOBL1>

Hi Andrei,

* Andrei Emeltchenko <andrei.emeltchenko.news@gmail.com> [2012-05-08 10:42:31 +0300]:

> Hi Gustavo,
> 
> On Fri, May 04, 2012 at 09:01:04PM -0300, Gustavo Padovan wrote:
> > Hi Mat,
> > 
> > * Mat Martineau <mathewm@codeaurora.org> [2012-05-04 14:20:31 -0700]:
> > 
> > > The ERTM and streaming mode transmit queue must only be accessed while
> > > the L2CAP channel lock is held.  Locking the channel before calling
> > > l2cap_chan_send ensures that multiple threads cannot simultaneously
> > > manipulate the queue when sending and receiving concurrently.
> > > 
> > > L2CAP channel locking had previously moved to the l2cap_chan struct
> > > instead of the associated socket, so some of the old socket locking
> > > can also be removed in this patch.
> > > 
> > > Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
> > > ---
> > >  include/net/bluetooth/bluetooth.h |    2 --
> > >  net/bluetooth/l2cap_sock.c        |   19 +++++++++++--------
> > >  2 files changed, 11 insertions(+), 10 deletions(-)
> > 
> > Patch has been applied to the bluetooth tree. Thanks.
> 
> What about applying the first patch? I actually pulled that patch from
> bluetooth-next and modified locking in my code but now that patch seems to
> be lost.

I applied it to bluetooth.git. Now you have to wait we merge bluetooth.git
into bluetooth-next.git, that will happen shortly after John pull the pull
request I sent.

	Gustavo

  reply	other threads:[~2012-05-08  7:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-04 21:20 [PATCHv2 0/2] Reworked send locking patches Mat Martineau
2012-05-04 21:20 ` [PATCHv2 1/2] Bluetooth: Restore locking semantics when looking up L2CAP channels Mat Martineau
2012-05-04 21:20 ` [PATCHv2 2/2] Bluetooth: Lock the L2CAP channel when sending Mat Martineau
2012-05-05  0:01   ` Gustavo Padovan
2012-05-08  7:42     ` Andrei Emeltchenko
2012-05-08  7:44       ` Gustavo Padovan [this message]
2012-05-08  7:57         ` Andrei Emeltchenko
2012-05-16 14:50         ` Andrei Emeltchenko
2012-05-16 15:56           ` Gustavo Padovan

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