linux-kernel - Re: [PATCHv5 11/30] x86/tdx: Handle in-kernel MMIO

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Message-ID: <9fcfa987-4acf-689e-3fea-fd01dc7b4e26@intel.com>
Date:   Fri, 11 Mar 2022 09:22:26 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        luto@...nel.org, peterz@...radead.org,
        sathyanarayanan.kuppuswamy@...ux.intel.com, aarcange@...hat.com,
        ak@...ux.intel.com, dan.j.williams@...el.com, david@...hat.com,
        hpa@...or.com, jgross@...e.com, jmattson@...gle.com,
        joro@...tes.org, jpoimboe@...hat.com, knsathya@...nel.org,
        pbonzini@...hat.com, sdeep@...are.com, seanjc@...gle.com,
        tony.luck@...el.com, vkuznets@...hat.com, wanpengli@...cent.com,
        thomas.lendacky@....com, brijesh.singh@....com, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv5 11/30] x86/tdx: Handle in-kernel MMIO

On 3/11/22 09:18, Kirill A. Shutemov wrote:
>> Do we *WANT* #VE's to be exposed to the #GP fixup machinery?
> We need the fixup at least for MSRs.

Could you mention that, along with the implications for the other #VE's
in the MSR patch changelog?