linux-kernel - Re: [PATCH 0/9] pvclock misc fixes

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Date:	Wed, 12 May 2010 14:04:47 -0300
From:	Glauber Costa <glommer@...hat.com>
To:	Alexander Graf <agraf@...e.de>
Cc:	Zachary Amsden <zamsden@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, avi@...hat.com
Subject: Re: [PATCH 0/9] pvclock misc fixes - v4.

On Wed, May 12, 2010 at 07:47:39AM +0200, Alexander Graf wrote:
> 
> On 12.05.2010, at 05:33, Zachary Amsden wrote:
> 
> > On 05/11/2010 06:17 AM, Glauber Costa wrote:
> >> This is the fourth version ov kvmclock fixes.
> >> 
> >> Just two minor changes in patch 5, per avi request, and
> >> the addition of cpuid.txt file, documenting all cpuid flags
> >> we use.
> >> 
> >> As a side effect, this patch removes the time-travel feature
> >> in kvm guests.
> >> 
> >> Glauber Costa (9):
> >>   Enable pvclock flags in vcpu_time_info structure
> >>   Add a global synchronization point for pvclock
> >>   change msr numbers for kvmclock
> >>   add new KVMCLOCK cpuid feature
> >>   export paravirtual cpuid flags in KVM_GET_SUPPORTED_CPUID
> >>   Try using new kvm clock msrs
> >>   don't compute pvclock adjustments if we trust the tsc
> >>   Tell the guest we'll warn it about tsc stability
> >>   Add cpuid.txt file
> >> 
> >>  Documentation/kvm/cpuid.txt        |   44 ++++++++++++++++++++++++++++
> >>  arch/x86/include/asm/kvm_para.h    |   13 ++++++++
> >>  arch/x86/include/asm/pvclock-abi.h |    4 ++-
> >>  arch/x86/include/asm/pvclock.h     |    1 +
> >>  arch/x86/kernel/kvmclock.c         |   56 ++++++++++++++++++++++-------------
> >>  arch/x86/kernel/pvclock.c          |   37 +++++++++++++++++++++++
> >>  arch/x86/kvm/x86.c                 |   44 +++++++++++++++++++++++++++-
> >>  7 files changed, 176 insertions(+), 23 deletions(-)
> >>  create mode 100644 Documentation/kvm/cpuid.txt
> >> 
> >>   
> > Acked-by: Zachary Amsden <zamsden@...hat.com>
> 
> 
> How about stable queuing of this one?
I don't think the MSR part classifies for stable.

The sync part, that might.
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