Re: [Xen-devel] Xen 4.4 development update

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 16/09/2013 14:28, Jan Beulich wrote:
>>>> On 16.09.13 at 15:06, George Dunlap <George.Dunlap@xxxxxxxxxxxxx> wrote:
>> == Open ==
> * Supposed regression from a3513737 ("x86: allow guest to set/clear
>   MSI-X mask bit (try 2)"), as per
>   http://lists.xenproject.org/archives/html/xen-devel/2013-09/msg01589.html.
>
>> === Clean-ups ===
> * ACPI WAET table vs RTC emulation mode
>
> An overly simplified fix was posted a while ago
> (http://lists.xenproject.org/archives/html/xen-devel/2013-07/msg00122.html),
> but Tim's objection is rather valid. I can't, however, estimate if/when
> I would find time to learn what tools side changes are necessary to
> accommodate a new HVM param, and hence this is currently stalled.
> The current solution (as of 3fa7fb8b ["x86/HVM: RTC code must be
> in line with WAET flags passed by hvmloader"]) isn't desirable to be
> kept for 4.4.
>
> Jan

Relatedly, there is still an outstanding regression in this code were
Win2k3 Enterprise SP2 occasionally falls into an infinite loop probing
the RTC.  I still need to get to the bottom of why this is happening.

~Andrew

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