linux-kernel - Re: [PATCH v2 1/3] KVM: x86: add support for user wait instructions

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Message-ID: <f1d739ba-8499-1f41-5515-c53c6dd7f3d2@redhat.com>
Date:   Wed, 29 May 2019 03:26:35 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Tao Xu <tao3.xu@...el.com>, Wanpeng Li <kernellwp@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Radim Krcmar <rkrcmar@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        the arch/x86 maintainers <x86@...nel.org>,
        kvm <kvm@...r.kernel.org>, linux-doc@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>, jingqi.liu@...el.com
Subject: Re: [PATCH v2 1/3] KVM: x86: add support for user wait instructions

On 28/05/19 09:19, Tao Xu wrote:
> 
> Thank you! This information really helped me. After I read the code in
> KVM/QEMU, I was wondering that with qemu command-line "-cpu
> host,+kvm-hint-dedicated", then in KVM,
> "kvm_hint_has_feature(KVM_HINTS_DEDICATED)" will be true, am I right?

Yes, but it doesn't matter for this patch series.

Paolo