WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-changelog

[Xen-changelog] Merged.

# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 009eb32c0ae47ee021b82932f02b382f56a9519b
# Parent  210a5b625e30067c8f340452aa1020aa44325124
# Parent  5e111356ba17602f474e36da6571de490157981a
Merged.

diff -r 210a5b625e30 -r 009eb32c0ae4 
linux-2.6-xen-sparse/arch/xen/kernel/reboot.c
--- a/linux-2.6-xen-sparse/arch/xen/kernel/reboot.c     Tue Nov 15 18:08:11 2005
+++ b/linux-2.6-xen-sparse/arch/xen/kernel/reboot.c     Tue Nov 15 18:09:30 2005
@@ -188,7 +188,7 @@
        xenbus_resume();
 
 #ifdef CONFIG_SMP
-       for_each_present_cpu(i)
+       for_each_cpu(i)
                vcpu_prepare(i);
 
  out_reenable_cpus:
diff -r 210a5b625e30 -r 009eb32c0ae4 
linux-2.6-xen-sparse/arch/xen/kernel/smpboot.c
--- a/linux-2.6-xen-sparse/arch/xen/kernel/smpboot.c    Tue Nov 15 18:08:11 2005
+++ b/linux-2.6-xen-sparse/arch/xen/kernel/smpboot.c    Tue Nov 15 18:09:30 2005
@@ -277,6 +277,18 @@
 
 #ifdef CONFIG_HOTPLUG_CPU
 
+/*
+ * Initialize cpu_present_map late to skip SMP boot code in init/main.c.
+ * But do it early enough to catch critical for_each_present_cpu() loops
+ * in i386-specific code.
+ */
+static int __init initialize_cpu_present_map(void)
+{
+       cpu_present_map = cpu_possible_map;
+       return 0;
+}
+core_initcall(initialize_cpu_present_map);
+
 static void vcpu_hotplug(unsigned int cpu)
 {
        int err;
@@ -293,7 +305,6 @@
        }
 
        if (strcmp(state, "online") == 0) {
-               cpu_set(cpu, cpu_present_map);
                (void)cpu_up(cpu);
        } else if (strcmp(state, "offline") == 0) {
                (void)cpu_down(cpu);
diff -r 210a5b625e30 -r 009eb32c0ae4 tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py   Tue Nov 15 18:08:11 2005
+++ b/tools/python/xen/xend/XendDomainInfo.py   Tue Nov 15 18:09:30 2005
@@ -437,10 +437,18 @@
             defaultInfo('on_crash',     lambda: "restart")
             defaultInfo('cpu',          lambda: None)
             defaultInfo('cpu_weight',   lambda: 1.0)
-            defaultInfo('vcpus',        lambda: int(1))
-
-            self.info['vcpus'] = int(self.info['vcpus'])
-
+
+            # some domains don't have a config file (e.g. dom0 )
+            # to set number of vcpus so we derive available cpus
+            # from max_vcpu_id which is present for running domains.
+            if not self.infoIsSet('vcpus') and self.infoIsSet('max_vcpu_id'):
+                avail = int(self.info['max_vcpu_id'])+1
+            else:
+                avail = int(1)
+
+            defaultInfo('vcpus',        lambda: avail)
+            defaultInfo('online_vcpus', lambda: self.info['vcpus'])
+            defaultInfo('max_vcpu_id',  lambda: self.info['vcpus']-1)
             defaultInfo('vcpu_avail',   lambda: (1 << self.info['vcpus']) - 1)
 
             defaultInfo('memory',       lambda: 0)
@@ -927,6 +935,7 @@
         if self.infoIsSet('cpu_time'):
             sxpr.append(['cpu_time', self.info['cpu_time']/1e9])
         sxpr.append(['vcpus', self.info['vcpus']])
+        sxpr.append(['online_vcpus', self.info['online_vcpus']])
             
         if self.infoIsSet('start_time'):
             up_time =  time.time() - self.info['start_time']
@@ -943,16 +952,13 @@
 
     def getVCPUInfo(self):
         try:
-            def filter_cpumap(map, max):
-                return filter(lambda x: x >= 0, map[0:max])
-
             # We include the domain name and ID, to help xm.
             sxpr = ['domain',
                     ['domid',      self.domid],
                     ['name',       self.info['name']],
-                    ['vcpu_count', self.info['vcpus']]]
-
-            for i in range(0, self.info['vcpus']):
+                    ['vcpu_count', self.info['online_vcpus']]]
+
+            for i in range(0, self.info['max_vcpu_id']+1):
                 info = xc.vcpu_getinfo(self.domid, i)
 
                 sxpr.append(['vcpu',
@@ -962,8 +968,7 @@
                              ['running',  info['running']],
                              ['cpu_time', info['cpu_time'] / 1e9],
                              ['cpu',      info['cpu']],
-                             ['cpumap',   filter_cpumap(info['cpumap'],
-                                                        self.info['vcpus'])]])
+                             ['cpumap',   info['cpumap']]])
 
             return sxpr
 
diff -r 210a5b625e30 -r 009eb32c0ae4 tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py       Tue Nov 15 18:08:11 2005
+++ b/tools/python/xen/xm/main.py       Tue Nov 15 18:09:30 2005
@@ -260,13 +260,13 @@
         return t(sxp.child_value(info, n, d))
     
     return {
-        'dom'      : get_info('domid',    int,   -1),
-        'name'     : get_info('name',     str,   '??'),
-        'mem'      : get_info('memory',   int,   0),
-        'vcpus'    : get_info('vcpus',    int,   0),
-        'state'    : get_info('state',    str,   '??'),
-        'cpu_time' : get_info('cpu_time', float, 0),
-        'ssidref'  : get_info('ssidref',  int,   0),
+        'dom'      : get_info('domid',        int,   -1),
+        'name'     : get_info('name',         str,   '??'),
+        'mem'      : get_info('memory',       int,   0),
+        'vcpus'    : get_info('online_vcpus', int,   0),
+        'state'    : get_info('state',        str,   '??'),
+        'cpu_time' : get_info('cpu_time',     float, 0),
+        'ssidref'  : get_info('ssidref',      int,   0),
         }
 
 

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog

<Prev in Thread] Current Thread [Next in Thread>