Author: gjb
Date: Fri Oct 11 19:40:28 2013
New Revision: 256328
URL: http://svnweb.freebsd.org/changeset/base/256328

Log:
  Document XENHVM and xenpci are mutually inclusive.
  
  Submitted by:   gibbs
  Approved by:    re (delphij)
  Sponsored by:   The FreeBSD Foundation

Modified:
  head/sys/amd64/conf/GENERIC
  head/sys/i386/conf/GENERIC

Modified: head/sys/amd64/conf/GENERIC
==============================================================================
--- head/sys/amd64/conf/GENERIC Fri Oct 11 18:51:37 2013        (r256327)
+++ head/sys/amd64/conf/GENERIC Fri Oct 11 19:40:28 2013        (r256328)
@@ -72,7 +72,6 @@ options       KDTRACE_FRAME           # Ensure frames 
 options        KDTRACE_HOOKS           # Kernel DTrace hooks
 options        DDB_CTF                 # Kernel ELF linker loads CTF data
 options        INCLUDE_CONFIG_FILE     # Include this file in kernel
-options        XENHVM                  # Include Xen support
 
 # Debugging support.  Always need this:
 options        KDB                     # Enable kernel debugger support.
@@ -345,8 +344,10 @@ device             virtio_balloon  # VirtIO Memory B
 # HyperV drivers
 device         hyperv          # HyperV drivers 
 
-# Xen support
-device         xenpci          # Generic Xen bus
+# Xen HVM Guest Optimizations
+# NOTE: XENHVM depends on xenpci.  They must be added or removed together.
+options        XENHVM          # Xen HVM kernel infrastructure
+device         xenpci          # Xen HVM Hypervisor services driver
 
 # VMware support
 device         vmx             # VMware VMXNET3 Ethernet

Modified: head/sys/i386/conf/GENERIC
==============================================================================
--- head/sys/i386/conf/GENERIC  Fri Oct 11 18:51:37 2013        (r256327)
+++ head/sys/i386/conf/GENERIC  Fri Oct 11 19:40:28 2013        (r256328)
@@ -72,7 +72,6 @@ options       MAC                     # TrustedBSD MAC 
Framewor
 options        KDTRACE_HOOKS           # Kernel DTrace hooks
 options        DDB_CTF                 # Kernel ELF linker loads CTF data
 options        INCLUDE_CONFIG_FILE     # Include this file in kernel
-options        XENHVM                  # Include Xen support
 
 # Debugging support.  Always need this:
 options        KDB                     # Enable kernel debugger support.
@@ -356,8 +355,10 @@ device             virtio_blk      # VirtIO Block device
 device         virtio_scsi     # VirtIO SCSI device
 device         virtio_balloon  # VirtIO Memory Balloon device
 
-# Xen support
-device         xenpci          # Generic Xen bus
+# Xen HVM Guest Optimizations
+# NOTE: XENHVM depends on xenpci.  They must be added or removed together.
+options        XENHVM          # Xen HVM kernel infrastructure
+device         xenpci          # Xen HVM Hypervisor services driver
 
 # VMware support
 device         vmx             # VMware VMXNET3 Ethernet
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