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

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Date:	Mon, 24 May 2010 19:29:10 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Stefano Stabellini <Stefano.Stabellini@...citrix.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	Don Dutile <ddutile@...hat.com>,
	Sheng Yang <sheng@...ux.intel.com>
Subject: Re: [PATCH 0 of 12] PV on HVM Xen

The subject should be [PATCH 0 of 11] PV on HVM Xen, sorry about that.

On Mon, 24 May 2010, Stefano Stabellini wrote:
> Hi all,
> this is another update of the PV on HVM Xen series that addresses
> Jeremy's comments.
> The platform_pci hooks have been removed, suspend/resume for HVM
> domains is now much more similar to the PV case and shares the same
> do_suspend function.
> Alloc_xen_mmio_hook has been removed has well, now the memory allocation for
> the grant table is done by the xen platform pci driver directly.
> The per_cpu xen_vcpu variable is set by a cpu_notifier function so that
> secondary vcpus have the variable set correctly no matter what the xen
> features are on the host.
> The kernel command line option xen_unplug has been renamed to
> xen_emul_unplug and the code that makes use of it has been moved to a
> separate file (arch/x86/xen/platform-pci-unplug.c).
> Xen_unplug_emulated_devices is now able to detect if blkfront, netfront
> and the Xen platform PCI driver have been compiled, and set the default
> value of xen_emul_unplug accordingly.
> The patch "Initialize xenbus device structs with ENODEV as
> default" has been removed from the series and it will be sent
> separately.
> Finally the comments on most of the patches have been improved.
> 
> The series is based on 2.6.34 and supports Xen PV frontends running
> in a HVM domain, including netfront, blkfront and the VIRQ_TIMER.
> 
> 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-v2.
> 
> Cheers,
> 
> Stefano
> 
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