Re: [Xen-devel] [PATCH RFC 0/3] VMX: fix interaction of Viridian emulation with advanced features

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.06.13 at 12:31, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
> 1: VMX: fix interaction of APIC-V and Viridian emulation
> 2: VMX/Viridian: suppress MSR-based APIC suggestion when having APIC-V
> 3: Viridian: populate CPUID leaf 6
> 
> The concepts patch 1 bases upon have been tested to fix the Win2008
> boot hang previously reported, but the specific patch here so far hasn't
> got validated. Additionally I will also want to know whether patch 2
> alone would also suffice to address the problem (it should in theory, but
> so far it was only tested when at the same time also not setting
> CPUID3A_MSR_APIC_ACCESS) - if it does, that might be a candidate
> to still go into 4.3.

George,

the tests meanwhile completed successfully, i.e. both patch 1
and patch 2 alone address the issue. I'd therefore like to propose
patch 2 as an immediate non-intrusive fix for 4.3, whereas I'd be
fine deferring the first one until after 4.3; deferring the third one
seems obvious as it is not fixing any known bug.

Paul, would you btw feel like reviewing/acking patches 2 and 3?

Jan


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