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John Baldwin ed95805e90 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
..
acpica Correct a comment brought over from amd64. i386 doesn't use long 2014-08-12 18:22:57 +00:00
bios Pull in r267961 and r267973 again. Fix for issues reported will follow. 2014-06-28 03:56:17 +00:00
conf Remove support for Xen PV domU kernels. Support for HVM domU kernels 2015-04-30 15:48:48 +00:00
i386 Remove support for Xen PV domU kernels. Support for HVM domU kernels 2015-04-30 15:48:48 +00:00
ibcs2 Remove the no-at variants of the kern_xx() syscall helpers. E.g., we 2014-11-13 18:01:51 +00:00
include Remove support for Xen PV domU kernels. Support for HVM domU kernels 2015-04-30 15:48:48 +00:00
isa Remove support for Xen PV domU kernels. Support for HVM domU kernels 2015-04-30 15:48:48 +00:00
linux Regen after r276508, r276509. 2015-01-01 18:43:31 +00:00
pci Remove support for Xen PV domU kernels. Support for HVM domU kernels 2015-04-30 15:48:48 +00:00
svr4 MFamd64: Move extern declaration of _ucodesel and _udatasel to 2014-11-02 21:40:32 +00:00
xbox After r261980, the local ptr variable in xbox_init() is no longer used, 2014-02-16 22:48:36 +00:00
Makefile Delete duplicate tags entry I introduced in -r223901. 2011-07-15 17:27:26 +00:00