Patch linux so that /proc/stat shows all -- not just online -- CPUs.

This way, tools such as TOP don't freak out when CPUs are hotplugged.

diff --git a/patches/linux-2.6.16.13/xen-hotplug.patch b/patches/linux-2.6.16.13/xen-hotplug.patch
new file mode 100644 (file)
index 0000000..529cd56
--- /dev/null
+++ b/patches/linux-2.6.16.13/xen-hotplug.patch
@@ -0,0 +1,11 @@
+--- ../pristine-linux-2.6.16.13/fs/proc/proc_misc.c    2006-05-02 22:38:44.000000000 +0100
++++ ./fs/proc/proc_misc.c      2006-05-22 15:29:34.000000000 +0100
+@@ -433,7 +433,7 @@ static int show_stat(struct seq_file *p,
+               (unsigned long long)cputime64_to_clock_t(irq),
+               (unsigned long long)cputime64_to_clock_t(softirq),
+               (unsigned long long)cputime64_to_clock_t(steal));
+-      for_each_online_cpu(i) {
++      for_each_cpu(i) {
+ 
+               /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
+               user = kstat_cpu(i).cpustat.user;