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[Xen-devel] Re: [PATCH 0 of 12] PV on HVM Xen


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Christian Tramnitz <chris.ace@xxxxxxx>
  • Date: Tue, 18 May 2010 12:55:41 +0200
  • Connect(): No such file or directory
  • Delivery-date: Tue, 18 May 2010 03:56:45 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi Stefano,

what are the particular advantages of running PVonHVM vs. traditional PV (vs pure HVM)?
I'd like to update the wiki with some info about it...



Thanks,
   Christian

Am 18.05.2010 12:22, schrieb Stefano Stabellini:
Hi all,
this is the fixed, updated and rebased version of the PV on HVM series:
the series is based on 2.6.34 now and supports Xen PV frontends running
in a HVM domain, including netfront, blkfront and the VIRQ_TIMER.

The list of bugs fixed in this update includes: xenbus drivers crashes
when xenbus is not properly initialized, a memory corruption bug in
suspend/resume and testing for the xen platform pci version and protocol
has been moved to enlighten.c (before unplugging emulated devices).

In order to be able to use VIRQ_TIMER and to improve performances you
need a patch to Xen to implement the vector callback mechanism
for event channel delivery.

A git tree is also available here:

git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git

branch name 2.6.34-pvhvm.

Cheers,

Stefano


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