There are 5 versions of xen in pkgsrc, which is confusing. Explain in
DESCR which version is in which package (xenkernel3 contains 3.1), and
which versions support PCI passthrough (only 3.1). Explain which
versions support non-PAE (3.1) and PAE (3.3, 4.1, 4.2), because the
HOWTO is out of date and it's easy to end up with a non-working system
on a 3.1 to 3.3 update. Cuation that 2.0 is beyond crufty.
This is a DESCR-only change (with PKGREVISION++ of course).
(ok during freeze agc@)
This broke packages that needed a target Python at build-time.
Instead, change it from defined/undefined to yes/no/tool. Most cases
of defined used `yes' anyway; fix the few stragglers do that instead.
New case `tool' is for TOOL_DEPENDS rather than buildlink3.
bouyer says:
Dom0 PAE support will be pulled up to netbsd-5 after netbsd-5-0-RELEASE is
tagged. building the packages on netbsd-5 in the meantime does not hurt.
Release notes for Xen 3.3.0:
This is a major new release with a host of new features including:
- Power management (P & C states) in the hypervisor
- HVM emulation domains ('qemu-on-minios') for better scalability,
performance and security
- PVGrub: boot PV kernels using real GRUB inside the PV domain
- Better PV performance: domain lock removed from pagetable-update paths
- Shadow3: optimisations to make this the best shadow pagetable algorithm
yet, making HVM performance better than ever
- Hardware Assisted Paging enhancements: 2MB page support for better TLB
locality
- CPUID feature levelling: allows safe domain migration across systems with
different CPU models.
- PVSCSI drivers for SCSI access direct into PV guests
- HVM framebuffer optimisations: scan for framebuffer updates more
efficiently
- Device passthrough enhancements
- Full x86 real-mode emulation for HVM guests on Intel VT: supports a much
wider range of legacy guest OSes
- New qemu merge with upstream development
- Many other changes in both x86 and IA64 ports
This has a handful of small fixes that were submitted after -rc5, and also a
larger fix for emulation of certain repeated I/O instructions for x86 HVM
guests.
Xen is a virtual machine monitor for x86 hardware (runs only on i686-class
CPUs), which supports running multiple guests operating systems on a single
machine. At boot, the xen kernel is loaded (via grub) along with the guest
kernel for the first domain (called domain0). domain0 has privileges to access
the physical hardware (PCI and ISA devices), administrate other domains and
provide virtual devices (disks and network) to other domains.
This package contains the Xen 3.3 kernel itself.
