Xen Virtualization: Hypervisor (aka VMM aka Microkernel)

Edit Package xen

Xen is a virtual machine monitor for x86 that supports execution of
multiple guest operating systems with unprecedented levels of
performance and resource isolation.

This package contains the Xen Hypervisor. (tm)

Modern computers are sufficiently powerful to use virtualization to
present the illusion of many smaller virtual machines (VMs), each
running a separate operating system instance. Successful partitioning
of a machine to support the concurrent execution of multiple operating
systems poses several challenges. Firstly, virtual machines must be
isolated from one another: It is not acceptable for the execution of
one to adversely affect the performance of another. This is
particularly true when virtual machines are owned by mutually
untrusting users. Secondly, it is necessary to support a variety of
different operating systems to accommodate the heterogeneity of popular
applications. Thirdly, the performance overhead introduced by
virtualization should be small.

Xen uses a technique called paravirtualization: The guest OS is
modified, mainly to enhance performance.

The Xen hypervisor (microkernel) does not provide device drivers for
your hardware (except for CPU and memory). This job is left to the
kernel that's running in domain 0. Thus the domain 0 kernel is
privileged; it has full hardware access. It's started immediately after
Xen starts up. Other domains have no access to the hardware; instead
they use virtual interfaces that are provided by Xen (with the help of
the domain 0 kernel).

Xen does support booting other Operating Systems; ports of NetBSD
(Christian Limpach), FreeBSD (Kip Macy), and Plan 9 (Ron Minnich)
exist. A port of Windows XP was developed for an earlier version of
Xen, but is not available for release due to license restrictions.

In addition to this package you need to install the kernel-xen and
xen-tools to use Xen. Xen 3 also supports running unmodified guests
using full virtualization, if appropriate hardware is present. Install
xen-tools-ioemu if you want to use this.

[Hypervisor is a trademark of IBM]

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Source Files
Filename Size Changed
18406-constify-microcode.patch 0000003677 3.59 KB
18412-x86-page-type-preemptible.patch 0000045773 44.7 KB
18420-x86-page-type-preemptible-fix.patch 0000001697 1.66 KB
18428-poll-single-port.patch 0000007917 7.73 KB
18464-cpu-hotplug.patch 0000006893 6.73 KB
18471-cpu-hotplug.patch 0000000903 903 Bytes
18475-amd-microcode-update.patch 0000053141 51.9 KB
18481-amd-microcode-update-fix.patch 0000001351 1.32 KB
18483-intel-microcode-update.patch 0000056733 55.4 KB
18484-stubdom-ioemu-makefile.patch 0000003400 3.32 KB
18487-microcode-update-irq-context.patch 0000003990 3.9 KB
18488-microcode-free-fix.patch 0000001073 1.05 KB
18505-amd-powernow-fix.patch 0000002446 2.39 KB
18506-enforce-memory-limits.patch 0000002360 2.3 KB
18509-continue-hypercall-on-cpu.patch 0000004554 4.45 KB
32on64-extra-mem.patch 0000000662 662 Bytes
README.SuSE 0000026091 25.5 KB
blktap-pv-cdrom.patch 0000023952 23.4 KB
blktap.patch 0000002017 1.97 KB
blktapctrl-default-to-ioemu.patch 0000003463 3.38 KB
block-flags.diff 0000001212 1.18 KB
block-iscsi 0000002291 2.24 KB
block-losetup-retry.diff 0000008123 7.93 KB
block-nbd 0000000673 673 Bytes
block-npiv 0000008036 7.85 KB
boot.local.xenU 0000001987 1.94 KB
boot.xen 0000002385 2.33 KB
bridge-bonding.diff 0000001426 1.39 KB
bridge-hostonly.diff 0000002210 2.16 KB
bridge-opensuse.patch 0000000918 918 Bytes
bridge-record-creation.patch 0000001106 1.08 KB
bridge-vlan.diff 0000001974 1.93 KB
build-tapdisk-ioemu.patch 0000002541 2.48 KB
cdrom-removable.patch 0000018313 17.9 KB
cross-build-fix.diff 0000001358 1.33 KB
domUloader.py 0000014832 14.5 KB
dump-exec-state.patch 0000003760 3.67 KB
etc_pam.d_xen-api 0000000265 265 Bytes
hv_tools.patch 0000004470 4.37 KB
hv_xen_base.patch 0000006230 6.08 KB
hv_xen_extension.patch 0000049112 48 KB
init.xen_loop 0000000093 93 Bytes
init.xend 0000002768 2.7 KB
init.xendomains 0000008894 8.69 KB
ioemu-blktap-barriers.patch 0000002170 2.12 KB
ioemu-blktap-fix-open.patch 0000003050 2.98 KB
ioemu-blktap-image-format.patch 0000003697 3.61 KB
ioemu-qcow2-multiblock-aio.patch 0000003985 3.89 KB
libxen_permissive.patch 0000000766 766 Bytes
logrotate.conf 0000000259 259 Bytes
msi-enable.patch 0000000438 438 Bytes
pv-driver-build.patch 0000001198 1.17 KB
pvdrv_emulation_control.patch 0000000889 889 Bytes
qemu-img-snapshot.patch 0000003069 3 KB
qemu-security-etch1.diff 0000004168 4.07 KB
ready 0000000000 0 Bytes
rpmlint.diff 0000000679 679 Bytes
serial-split.patch 0000012662 12.4 KB
snapshot-ioemu-delete.patch 0000001014 1014 Bytes
snapshot-ioemu-restore.patch 0000004067 3.97 KB
snapshot-ioemu-save.patch 0000006790 6.63 KB
snapshot-xend.patch 0000023253 22.7 KB
supported_module.diff 0000000388 388 Bytes
svm-lmsl.patch 0000003141 3.07 KB
tools-gdbserver-build.diff 0000001124 1.1 KB
tools-kboot.diff 0000046950 45.8 KB
tools-xc_kexec.diff 0000132352 129 KB
x86-extra-trap-info.patch 0000004368 4.27 KB
x86-page-gnttab.patch 0000001171 1.14 KB
x86-show-page-walk-early.patch 0000006541 6.39 KB
xen-3.3.1-testing-src.tar.bz2 0022688080 21.6 MB
xen-api-auth.patch 0000000580 580 Bytes
xen-changeset.diff 0000001507 1.47 KB
xen-config.diff 0000000939 939 Bytes
xen-destdir.diff 0000007531 7.35 KB
xen-disable-qemu-monitor.diff 0000003128 3.05 KB
xen-domUloader.diff 0000008508 8.31 KB
xen-fixme-doc.diff 0000002645 2.58 KB
xen-hvm-default-bridge.diff 0000003281 3.2 KB
xen-hvm-default-pae.diff 0000000661 661 Bytes
xen-ioapic-ack-default.diff 0000000816 816 Bytes
xen-ioemu-hvm-pv-support.diff 0000008222 8.03 KB
xen-lowmem-emergency-pool.diff 0000002228 2.18 KB
xen-max-free-mem.diff 0000005978 5.84 KB
xen-no-dummy-nfs-ip.diff 0000000622 622 Bytes
xen-paths.diff 0000002725 2.66 KB
xen-qemu-iscsi-fix.patch 0000002253 2.2 KB
xen-rpmoptflags.diff 0000000952 952 Bytes
xen-tightvnc-args.diff 0000000702 702 Bytes
xen-updown.sh 0000003586 3.5 KB
xen-warnings.diff 0000006180 6.04 KB
xen-xm-top-needs-root.diff 0000000549 549 Bytes
xen-xmexample-vti.diff 0000000474 474 Bytes
xen-xmexample.diff 0000006342 6.19 KB
xen.changes 0000103275 101 KB
xen.spec 0000101425 99 KB
xenapi-console-protocol.patch 0000000831 831 Bytes
xenapiusers 0000000005 5 Bytes
xend-config.diff 0000003073 3 KB
xend-core-dump-loc.diff 0000000709 709 Bytes
xend-domain-lock.patch 0000011187 10.9 KB
xend-relocation.sh 0000004144 4.05 KB
xend-vif-fix.patch 0000000661 661 Bytes
xm-man-update.diff 0000012780 12.5 KB
xm-test-cleanup.diff 0000000528 528 Bytes
xmclone.sh 0000017702 17.3 KB
xmexample.disks 0000001106 1.08 KB
xmexample.domUloader 0000001167 1.14 KB
Revision 54 (latest revision is 122)
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