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Re: [Qemu-devel] [PATCH 0/3] WHPX introduce changes for Windows Insider


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 0/3] WHPX introduce changes for Windows Insider SDK 17110
Date: Wed, 14 Mar 2018 17:13:54 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 14/03/2018 15:52, Justin Terry (VM) wrote:
> This change set fixes two breaking changes that were introduced in the
> Windows Insider SDK 17110. First, a change to the WHvGetCapability function
> decl to include the 'out' WrittenSizeInBytes. Second, changes to the
> WHvSetPartitionProperty function decl and WHV_PARTITION_PROPERTY structure
> to directly pass the PropertyCode at invocation.
> 
> Lastly, it introduces a major performance improvement in whpx_vcpu_post_run
> using the VpContext exit structure rather than another round trip call to
> WHvGetVirtualProcessorRegisters to synchronize vp state.
> 
> QEMU compiled against this SDK (17110+) is expected to work on all Windows
> Insider Builds (17115+).
> 
> Thanks,
> Justin Terry
> 
> Justin Terry (VM) (3):
>   WHPX fix WHvGetCapability out WrittenSizeInBytes
>   WHPX fix WHvSetPartitionProperty in PropertyCode
>   WHPX improve vcpu_post_run perf
> 
>  configure              |  4 +++-
>  target/i386/whpx-all.c | 46 ++++++++++++++--------------------------------
>  2 files changed, 17 insertions(+), 33 deletions(-)
> 

Queued, thanks.

Paolo



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