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From: Paolo Bonzini <pbonzini@redhat.com>
To: Vadim Rozenfeld <vrozenfe@redhat.com>
Cc: kvm@vger.kernel.org, Avi Kivity <avi@redhat.com>
Subject: Re: [RFC PATCH 7/7] [hyper-v] init hyper-v cpuid leafs
Date: Tue, 11 Oct 2011 17:52:25 +0200	[thread overview]
Message-ID: <4E946639.9020001@redhat.com> (raw)
In-Reply-To: <1318340766.2706.59.camel@vadimr.dell>

On 10/11/2011 03:46 PM, Vadim Rozenfeld wrote:
> >  These should not be KVM-specific.  You should be able to add
> >  enlightenments to a TCG VM.  At the same time, the KVM leaves could be
> >  moved to 0x40000100 when enlightenments are active, similar to what Xen
> >  does.
> >
>
> IMO, adding Hyper-V features without KVM support has little, if any,
> meaning. Relaxed timing is the only one thing, which can be activated
> without help from hypervisor.

Spinlocks too.  TCG does its own round-robin scheduling, so having zero 
retries could be the best setting.  But even if it is not useful for 
TCG, there's nothing KVM-specific, and that's the important point.

Paolo

  reply	other threads:[~2011-10-11 15:52 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-09 18:52 [RFC PATCH 0/7] Initial support for Microsoft Hyper-V Vadim Rozenfeld
2011-10-09 18:52 ` [RFC PATCH 1/7] [hyper-v] Add hyper-v parameters block Vadim Rozenfeld
2011-10-10  6:54   ` Jan Kiszka
2011-10-10  9:40     ` Vadim Rozenfeld
2011-10-10 10:25       ` Jan Kiszka
2011-10-11  7:35   ` Paolo Bonzini
2011-10-11  7:42     ` Paolo Bonzini
2011-10-09 18:52 ` [RFC PATCH 2/7] [hyper-v] add hyper-v placeholders Vadim Rozenfeld
2011-10-11  7:40   ` Paolo Bonzini
2011-10-09 18:52 ` [RFC PATCH 3/7] [hyper-v] make Hyper-V option configurable Vadim Rozenfeld
2011-10-10  6:54   ` Jan Kiszka
2011-10-09 18:52 ` [RFC PATCH 4/7] [hyper-v] hyper-v parameters Vadim Rozenfeld
2011-10-09 18:52 ` [RFC PATCH 5/7] [hyper-v] hyper-v helper functions Vadim Rozenfeld
2011-10-09 19:01   ` Alon Levy
2011-10-10  6:45     ` Vadim Rozenfeld
2011-10-09 18:52 ` [RFC PATCH 6/7] [hyper-v] parse hyper-v parameters Vadim Rozenfeld
2011-10-09 18:52 ` [RFC PATCH 7/7] [hyper-v] init hyper-v cpuid leafs Vadim Rozenfeld
2011-10-11  7:38   ` Paolo Bonzini
2011-10-11 13:46     ` Vadim Rozenfeld
2011-10-11 15:52       ` Paolo Bonzini [this message]
2011-10-11 16:09         ` Vadim Rozenfeld
2011-10-11 16:17           ` Paolo Bonzini
2011-10-10  6:53 ` [RFC PATCH 0/7] Initial support for Microsoft Hyper-V Jan Kiszka
2011-10-10  9:39   ` Vadim Rozenfeld

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