From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@quanstro.net>
Date: Thu, 18 Nov 2010 00:53:52 -0500
To: lucio@proxima.alt.za, 9fans@9fans.net
Message-ID: <0aabdaf4b9cdf3f0334b1e4fc018d676@plug.quanstro.net>
In-Reply-To: <215c4028dc0c6d0cdcda7fd23830bc70@proxima.alt.za>
References: <215c4028dc0c6d0cdcda7fd23830bc70@proxima.alt.za>
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Subject: Re: [9fans] That deadlock, again
Topicbox-Message-UUID: 844ac3f2-ead6-11e9-9d60-3106f5b1d025

> Strangely, later in the qlock() code "up" is checked and a panic
> issued if zero.  I'm missing something here: it is possible to execute
> this code

you must be in process context to qlock, because only
processes can sleep.

- erik