netdev - Re: [PATCH v3 8/7] pppoatm: fix missing wakeup in pppoatm

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Message-Id: <201211112247.qABMlWiQ021630@thirdoffive.cmf.nrl.navy.mil>
Date:	Sun, 11 Nov 2012 17:47:32 -0500
From:	"Chas Williams (CONTRACTOR)" <chas@....nrl.navy.mil>
To:	Krzysztof Mazur <krzysiek@...lesie.net>
cc:	David Woodhouse <dwmw2@...radead.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH v3 8/7] pppoatm: fix missing wakeup in pppoatm_send()

In message <20121111110437.GA25894@...ek.podlesie.net>,Krzysztof Mazur writes:
>Any race with testing vcc flags is probably not really important
>because:
>	- vcc_release_async() does not take any lock so this check
>	  will be always racy so we are probably allowed to send
>	  new frames until vcc is really closed,

this locking/synchronization is handled in the atm device drivers.
the send and close routines are responsbile for synchronization (yes, i
believe that leads to duplicated code but that is the way it currently is)
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