linux-kernel - Re: [PATCH v2 0/6] nSVM optional features

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Message-ID: <a33c5f6fb887973fc69a0586c615aea6461cad6e.camel@redhat.com>
Date:   Fri, 26 Nov 2021 08:55:12 +0200
From:   Maxim Levitsky <mlevitsk@...hat.com>
To:     kvm@...r.kernel.org
Cc:     Shuah Khan <shuah@...nel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, Borislav Petkov <bp@...en8.de>,
        Paolo Bonzini <pbonzini@...hat.com>,
        "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" 
        <linux-kernel@...r.kernel.org>, Joerg Roedel <joro@...tes.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Bandan Das <bsd@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Wei Huang <wei.huang2@....com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v2 0/6] nSVM optional features

On Tue, 2021-11-16 at 23:38 +0200, Maxim Levitsky wrote:
> On Mon, 2021-11-01 at 16:03 +0200, Maxim Levitsky wrote:
> > This is a resend of a few patches that implement few
> > SVM's optional features for nesting.
> > 
> > I was testing these patches during last few weeks with various nested configurations
> > and I was unable to find any issues.
> > 
> > I also implemented support for nested vGIF in the last patch.
> > 
> > Best regards,
> > 	Maxim Levitsky
> > 
> > Maxim Levitsky (6):
> >   KVM: x86: SVM: add module param to control LBR virtualization
> >   KVM: x86: nSVM: correctly virtualize LBR msrs when L2 is running
> >   KVM: x86: nSVM: implement nested LBR virtualization
> >   KVM: x86: nSVM: implement nested VMLOAD/VMSAVE
> >   KVM: x86: nSVM: support PAUSE filter threshold and count when
> >     cpu_pm=on
> >   KVM: x86: SVM: implement nested vGIF
> > 
> >  arch/x86/kvm/svm/nested.c |  86 ++++++++++++++++++++---
> >  arch/x86/kvm/svm/svm.c    | 140 ++++++++++++++++++++++++++++++++------
> >  arch/x86/kvm/svm/svm.h    |  38 +++++++++--
> >  3 files changed, 228 insertions(+), 36 deletions(-)
> > 
> > -- 
> > 2.26.3
> > 
> > 
> Kind ping on these patches.

Another kind ping on these patches.

Best regards,
	Maxim Levitsky
> 
> Best regards,
> 	Maxim Levitsky