Re: [Xen-devel] [ANNOUNCE] Xen 4.2 released!

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On Mon, Sep 17, 2012 at 01:51:03PM +0200, Robin Axelsson wrote:
> Congratulations, it's always good to see the development moving forward!
> 
> There is one thing I wonder though when it comes to PCI passthrough:
> 
> Can Xen reset hardware through the d3d0 in the ACPI interface and/or
> through a 'bus reset' or a 'link reset'? Or can it reset hardware
> that is marked for passthrough only through FLR?

It does it using whatever Linux does. Which means FLR, then for good
measure also D3->D0.


> 
> For details see e.g.
> http://www.vmware.com/files/pdf/techpaper/vsp_4_vmdirectpath_host.pdf
> 
> Regards
> 
> Robin.
> 
> 
> On 2012-09-17 13:38, Pasi Kärkkäinen wrote:
> >----- Forwarded message from Keir Fraser<keir@xxxxxxx>  -----
> >
> >From: Keir Fraser<keir@xxxxxxx>
> >To: xen-devel@xxxxxxxxxxxxx
> >Date: Mon, 17 Sep 2012 12:34:00 +0100
> >Subject: [Xen-devel] [ANNOUNCE] Xen 4.2 released!
> >
> >The Xen team is pleased to announce the release of Xen 4.2.
> >
> >The result of *18 months* of development, new features include:
> >  * Paging/sharing improvements for high-density VM environments (eg. VDI)
> >  * Enhancements to PV-HVM guest performance
> >  * Improved memaccess (guest introspection) support
> >  * EFI boot support, replacing the legacy BIOS boot environment
> >  * Improved RAS support
> >  * XL as the default toolstack; XEND officially deprecated
> >  * Upstream QEMU support, with its up-to-date feature list
> >
> >Detailed release notes, including a more extensive feature list:
> >   http://wiki.xen.org/wiki/Xen_4.2_Release_Notes
> >
> >To download tarballs:
> >   http://xen.org/download/index_4.2.0.html
> >Or the Mercurial source repository (tag 'RELEASE-4.2.0'):
> >   http://xenbits.xen.org/hg/staging/xen-4.2-testing.hg
> >
> >And the announcement on the Xen blog:
> >   http://blog.xen.org/index.php/2012/09/17/xen-4-2-0-released/
> >
> >Thanks to the many people who have contributed to this release!
> >
> >  Regards,
> >  The Xen Team
> >
> >
> >
> >_______________________________________________
> >Xen-devel mailing list
> >Xen-devel@xxxxxxxxxxxxx
> >http://lists.xen.org/xen-devel
> >
> >----- End forwarded message -----
> >--
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> 
> 
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