From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sun, 19 Jan 1997 00:02:45 +0100
From: Jean Mehat jm@ai.univ-paris8.fr
Subject: Stupid question about the plan9 kernel
Topicbox-Message-UUID: 5429d356-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19970118230245.pd3wiEvktoHwbhe5VP4y7cKMaJL2N_gESgubIUdMdaM@z>


In the schedinit() and sched() functions, there is a test :
	if (u){ ... }
What does it means when u is 0? Where is (are?) the kernel stack(s?) stored?