linux-kernel - Re: [PATCH] KVM: VMX: require virtual NMI support

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Message-ID: <37c3939f-6c5e-1f88-5642-a5efb3ece1c4@gmail.com>
Date:   Wed, 13 Sep 2017 19:23:37 +0200
From:   Zdenek Kaspar <zkaspar82@...il.com>
To:     Paolo Bonzini <pbonzini@...hat.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     rkrcmar@...hat.com
Subject: Re: [PATCH] KVM: VMX: require virtual NMI support

On 03/27/2017 02:38 PM, Paolo Bonzini wrote:
> Virtual NMIs are only missing in Prescott and Yonah chips.  Both are obsolete
> for virtualization usage---Yonah is 32-bit only even---so drop vNMI emulation.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> ---
>  arch/x86/kvm/vmx.c | 143 ++++++++++++++---------------------------------------
>  1 file changed, 38 insertions(+), 105 deletions(-)

This breaks virtualization on old Intel Core2 machines.
Any chance to revert?

TIA, Z.