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Diff for /wikisrc/ports/xen/howto.mdwn between versions 1.170 and 1.171

version 1.170, 2020/10/31 15:29:23 version 1.171, 2020/10/31 16:33:14
Line 8  systems which operate in an unprivileged Line 8  systems which operate in an unprivileged
 from the domU systems are forwarded by the Xen hypervisor to the dom0 to be  from the domU systems are forwarded by the Xen hypervisor to the dom0 to be
 fulfilled.  fulfilled.
   
 Xen supports different styles of guest:  Xen supports different styles of guests; see https://wiki.xen.org/wiki/PV_on_HVM and https://wiki.xenproject.org/wiki/PVH_(v2)_Domu for upstream documentation.
   
 [[!table data="""  [[!table data="""
 Style of guest  |Supported by NetBSD  Style of guest  |Supported by NetBSD
 PV              |Yes (dom0, domU)  PV              |Yes (dom0, domU)
 HVM             |Yes (domU)  HVM             |Yes (domU)
 PVHVM           |current-only (dom0, domU)  PVH             |current-only (domU, dom0 not yet)
 PVH             |current-only (dom0, domU)  PVHVM           |current-only (domU)
 """]]  """]]
   
 In Para-Virtualized (PV) mode, the guest OS does not attempt to access  In Para-Virtualized (PV) mode, the guest OS does not attempt to access
Line 25  guests must be specifically coded for Xe Line 25  guests must be specifically coded for Xe
 In HVM mode, no guest modification is required; however, hardware  In HVM mode, no guest modification is required; however, hardware
 support is required, such as VT-x on Intel CPUs and SVM on AMD CPUs.  support is required, such as VT-x on Intel CPUs and SVM on AMD CPUs.
   
 In PVHVM mode, the guest mostly runs as HVM, but can use PV drivers for efficiency.  See https://wiki.xen.org/wiki/PV_on_HVM  In PVH mode, the guest uses PV interfaces for IO and native interfaces for everything else.
   
 In PVH mode, the guest uses PV interfaces for IO and native interfaces for everything else.   This is also called PVHv2; see https://wiki.xenproject.org/wiki/PVH_(v2)_Domu  In PVHVM mode, the guest mostly runs as HVM, but can use PV drivers for efficiency.
   
   \todo Explain about "HVM with PV drivers".
   
 At boot, the dom0 kernel is loaded as a module with Xen as the kernel.  At boot, the dom0 kernel is loaded as a module with Xen as the kernel.
 The dom0 can start one or more domUs.  (Booting is explained in detail  The dom0 can start one or more domUs.  (Booting is explained in detail
Removed from v.1.170  
changed lines
  Added in v.1.171

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