[patch 00/29] xen: Xen implementation for paravirt_ops

Hi Andi,

This series of patches implements the Xen paravirt-ops interface.
It applies to 2.6.21-git3 + ff patches-2.6.21-git3-070501-1.tar.gz.

Changes since the last posting:
 - reviews of xenbus (me), netfront (hch, rusty, herbert xu) and
   blockfront (hch), with most comments addressed.  Netfront review
   revealed a couple of real bugs, and the code for all three is looking
   cleaner overall.
 - Folded bugfix patches into their main patch
 - Lots of little style and other cleanups

There may be a trivial conflict in xen-hvc-console because of the
lguest console.

These patches are now moderately well tested, with several successful
runs through XenSource's regression test suite, and some amount of
non-me testing.  While I wouldn't go into production with a
xen/paravirt_ops kernel right now, it does seem pretty functional.

This series generally restricts itself to Xen-specific parts of the
tree, though it does make a few small changes elsewhere.

It includes:
 - some helper routines for allocating address space and walking pagetables
 - Xen interface header files
 - Core Xen implementation
 - Efficient late-pinning/early-unpinning pagetable handling
 - Virtualized time, including stolen time
 - SMP support
 - Preemption support
 - Batched pagetable updates
 - Xen console, based on hvc console
 - Xenbus
 - Netfront, the paravirtualized network device
 - Blockfront, the paravirtualized block device

Thanks,
	J
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• Follow-Ups:
  • [patch 02/29] xen: Allocate and free vmalloc areas
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 05/29] xen: Core Xen implementation
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 12/29] xen: fix multicall batching
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 04/29] xen: Add Xen interface header files
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  • [patch 18/29] xen: deal with negative stolen time
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 13/29] xen: Account for time stolen by Xen
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 01/29] xen: Add apply_to_page_range() which applies a function to a pte range.
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 22/29] xen: Add the Xenbus sysfs and virtual device hotplug driver.
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 10/29] xen: Complete pagetable pinning for Xen
    • From: Jeremy Fitzhardinge <[email protected]>
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  • [patch 11/29] xen: ignore RW mapping of RO pages in pagetable_init
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 23/29] xen: Add Xen virtual block device driver.
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  • [patch 24/29] xen: rename xen netif_ structures to xen_netif_
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 29/29] xen: Attempt to patch inline versions of common operations
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 17/29] xen: lazy-mmu operations
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 27/29] xen: Xen machine operations
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 28/29] xen: Place vcpu_info structure into per-cpu memory, if possible
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  • [patch 21/29] xen: Add Xen grant table support
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 26/29] xen: fix netfront checksums
    • From: Jeremy Fitzhardinge <[email protected]>
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    • From: Jeremy Fitzhardinge <[email protected]>
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    • From: Jeremy Fitzhardinge <[email protected]>
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    • From: Jeremy Fitzhardinge <[email protected]>
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    • From: Jeremy Fitzhardinge <[email protected]>
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    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 08/29] xen: xen time implementation
    • From: Jeremy Fitzhardinge <[email protected]>
  • [patch 19/29] xen: Use the hvc console infrastructure for Xen console
    • From: Jeremy Fitzhardinge <[email protected]>

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