Re: [PATCH 0/12] PV on HVM Xen

[Jeremy Fitzhardinge]

On 06/03/2010 06:07 AM, Stefano Stabellini wrote:
> Hi all,
> the last update on the PV on HVM Xen series contains the following
> changes:
>
> - some variables and functions have been renamed following Jeremy's
> suggestions, in particular:
> s/init_shared_info/xen_hvm_init_shared_info
> s/xen_platform_pci/xen_platform_pci_enabled
> s/UNPLUG_/XEN_UNPLUG_
>
> - the two platform_pci.h header files have been merged and the useless
> intro has been removed;
>
> - the xen platform pci product number and driver versions have been made
> static;
>
> - the description on the VIRQ_TIMER patch has been improved;
>
> - a new patch to fix hpet behaviour has been introduced: hpet_disable is
> called unconditionally on machine shutdown, and doesn't check whether
> hpet has been actually enabled, causing trouble if it hasn't;
>
> - the vector callback patch has been improved: we don't use the ipi
> vector anymore but we allocate our own so that we can avoid useless and
> expensive vlapic acks.
>   

I think they're worse than that; I think they could end up potentially
acking a pending interrupt which hasn't been delivered yet.

>
> Meanwhile the vector callback patch for xen has been checked into
> xen-unstable, so you don't need a separate patch for xen anymore to take
> full advantage of this patch series.
>
> A git tree is available here:
>
> git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git
>
> branch name 2.6.34-pvhvm-v3.
>   

Thanks,

    J
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