xl: add reference for vcpu-set command.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/docs/man/xl.pod.1 b/docs/man/xl.pod.1
index f3635adeab433806489487b55046abd1751d0390..7802a027c81c36dd2bc4c1cbb0f748377465fdce 100644 (file)
--- a/docs/man/xl.pod.1
+++ b/docs/man/xl.pod.1
@@ -512,6 +512,9 @@ Attempting to set the VCPUs to a number larger than the initially
 configured VCPU count is an error.  Trying to set VCPUs to < 1 will be
 quietly ignored.
 
+Some guests may need to actually bring the newly added CPU online
+after B<vcpu-set>, go to B<SEE ALSO> section for information.
+
 =item B<vcpu-list> [I<domain-id>]
 
 Lists VCPU information for a specific domain.  If no domain is
@@ -1093,6 +1096,10 @@ L<http://xenbits.xen.org/docs/unstable/misc/xl-network-configuration.html>
 L<http://xenbits.xen.org/docs/unstable/misc/xl-disk-configuration.txt>
 L<http://xenbits.xen.org/docs/unstable/misc/xsm-flask.txt>
 
+For systems that don't automatically bring CPU online:
+
+L<http://wiki.xen.org/wiki/Paravirt_Linux_CPU_Hotplug>
+
 =head1 BUGS
 
 Send bugs to xen-devel@lists.xensource.com, see