[Xen-changelog] [xen-unstable] [POWERPC] Take all secondary processors offline after they are enumerated

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
# Node ID 05b2b8b61cca596025ffe1ce6dc4ee7436603d5b
# Parent  1ef82dd7f66b05e02aa5b9d0d6e55b2fc5f00db9
[POWERPC] Take all secondary processors offline after they are enumerated

Xen assumes that an online CPU is a schedualable CPU, but we just are
not there yet. Remove this fragment when scheduling processors
actually works.

Signed-off-by: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
Signed-off-by: Hollis Blanchard <hollisb@xxxxxxxxxx>
---
 xen/arch/powerpc/setup.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+)

diff -r 1ef82dd7f66b -r 05b2b8b61cca xen/arch/powerpc/setup.c
--- a/xen/arch/powerpc/setup.c  Tue Aug 22 09:53:34 2006 -0400
+++ b/xen/arch/powerpc/setup.c  Tue Aug 22 11:16:01 2006 -0400
@@ -181,6 +181,21 @@ static void __init start_of_day(void)
 
     percpu_free_unused_areas();
 
+    {
+        /* FIXME: Xen assumes that an online CPU is a schedualable
+         * CPU, but we just are not there yet. Remove this fragment when
+         * scheduling processors actually works. */
+        int cpuid;
+
+        printk("WARNING!: Taking all secondary CPUs offline\n");
+
+        for_each_online_cpu(cpuid) {
+            if (cpuid == 0)
+                continue;
+            cpu_clear(cpuid, cpu_online_map);
+        }
+    }
+
     initialize_keytable();
     /* Register another key that will allow for the the Harware Probe
      * to be contacted, this works with RiscWatch probes and should

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