From 0e84a0ec6e7893dad13dff9a958c5bc987b79c82 Mon Sep 17 00:00:00 2001
From: rtm <rtm>
Date: Tue, 8 Aug 2006 19:58:06 +0000
Subject: fix race in holding() check in acquire() give cpu1 a TSS and gdt for
 when it enters scheduler() and a pseudo proc[] entry for each cpu cpu0 waits
 for each other cpu to start up read() for files

---
 mp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'mp.c')

diff --git a/mp.c b/mp.c
index ece46a4..341b545 100644
--- a/mp.c
+++ b/mp.c
@@ -219,9 +219,11 @@ mp_startthem(void)
 
   for(c = 0; c < ncpu; c++){
     if (c == cpu()) continue;
-    cprintf ("starting processor %d\n", c);
+    cprintf ("cpu%d: starting processor %d\n", cpu(), c);
     *(uint *)(APBOOTCODE-4) = (uint) (cpus[c].mpstack) + MPSTACK; // tell it what to use for %esp
     *(uint *)(APBOOTCODE-8) = (uint)mpmain; // tell it where to jump to
     lapic_startap(cpus[c].apicid, (uint) APBOOTCODE);
+    while(cpus[c].booted == 0)
+      ;
   }
 }
-- 
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