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11 Commits

Author SHA1 Message Date
jhb
9c4c8b62fb Remove support for Xen PV domU kernels. Support for HVM domU kernels 
remains.  Xen is planning to phase out support for PV upstream since it
is harder to maintain and has more overhead.  Modern x86 CPUs include
virtualization extensions that support HVM guests instead of PV guests.
In addition, the PV code was i386 only and not as well maintained recently
as the HVM code.
- Remove the i386-only NATIVE option that was used to disable certain
  components for PV kernels.  These components are now standard as they
  are on amd64.
- Remove !XENHVM bits from PV drivers.
- Remove various shims required for XEN (e.g. PT_UPDATES_FLUSH, LOAD_CR3,
  etc.)
- Remove duplicate copy of <xen/features.h>.
- Remove unused, i386-only xenstored.h.

Differential Revision:	https://reviews.freebsd.org/D2362
Reviewed by:	royger
Tested by:	royger (i386/amd64 HVM domU and amd64 PVH dom0)
Relnotes:	yes
 2015-04-30 15:48:48 +00:00
jhb
da69eed602 Update this page to note that XENHVM now works on i386. (It shipped 
enabled in GENERIC in 10.0.)

Reviewed by:	royger (earlier version)
MFC after:	1 week
 2015-04-30 15:25:30 +00:00
bapt
5da5395a98 use .Mt to mark up email addresses consistently (final part) 
PR:		191174
Submitted by:	Franco Fichtner <franco at lastsummer.de>
 2014-06-26 21:46:14 +00:00
eadler
1ef5fe44d3 Remove trailing whitespace per mdoc lint warning 
Disussed with:	gavin
No objection from:	doc
Approved by:	joel
MFC after:	3 days
 2012-03-29 05:02:12 +00:00
rwatson
a5ae0d2d14 Simply refer to all Xen drivers as para-virtualized, as this appears to 
be the preferred Xen parlance.

Discussed with:	Steve Hand <steven.hand at cl.cam.ac.uk>
MFC after:	1 day
 2010-12-17 22:09:55 +00:00
rwatson
56a4ce773b Correct some misundertandings on my part about PV vs HVM kernel 
configuration options.

MFC after:	1 day
 2010-12-17 11:25:37 +00:00
rwatson
19a6bb61e9 Fix spelling nits. 
MFC after:	3 days
Submitted by:	bcr
 2010-12-17 10:05:21 +00:00
rwatson
43edfe0c49 Clarifications of a number of points in xen.4, and some additional device 
driver information from gibbs@.

MFC after:	3 days
 2010-12-17 01:30:56 +00:00
rwatson
fa3fef1400 Slightly different formatting for options list. 
MFC after:	3 days
 2010-12-14 10:06:28 +00:00
rwatson
c3ae9b6e8a Further refinements to the xen.4 man page: fix typos, add material on 
para-virtualized drivers, clarify how to configure XENHVM on amd64.

MFC after:	3 days
 2010-12-14 09:32:37 +00:00
rwatson
c050a4862e Add a rudimentary Xen man page summarising the state of Xen on amd64 and 
i386, how to configure the kernel, and some known issues.  Further
refinement almost certainly required.  This is not a Xen installation
manual.

MFC after:      3 days
Sponsored by:   DARPA, AFRL
 2010-12-13 23:30:56 +00:00