linux-kernel - Re: [PATCH] KVM: x86: Add kvm_x86_ops hook to short circuit emulation

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Message-ID: <20200930014317.GG32531@linux.intel.com>
Date:   Tue, 29 Sep 2020 18:43:17 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Wanpeng Li <kernellwp@...il.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm <kvm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [PATCH] KVM: x86: Add kvm_x86_ops hook to short circuit emulation

On Tue, Sep 22, 2020 at 03:32:58PM +0200, Paolo Bonzini wrote:
> On 16/09/20 19:34, Sean Christopherson wrote:
> > 
> > The intent of posting the patch standalone is so that SGX, SEV-ES, and/or TDX
> > have "ready to go" support in upstream, i.e. can change only the VMX/SVM
> > implementation of is_emulated().  I'm a-ok dropping the handle_ud() change,
> > or even the whole patch, until one of the above three is actually ready for
> > inclusion.
> 
> I think it's fine with the "can" in the name.  Hopefully one of the
> three will go in soon...

FWIW, the changelog still references is_emulated().  Probably not worth
rewriting history though.