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From:   Peter Gonda <pgonda@google.com>
Date:   Thu, 17 Mar 2022 14:20:35 -0600
Message-ID: <CAMkAt6qeSYbsGCsgu0+mfYoYVxS25OMoRYzhEebFvfZzNkxOaA@mail.gmail.com>
Subject: Re: [PATCH v12 32/46] x86/compressed/64: Add support for SEV-SNP
 CPUID table in #VC handlers
To:     Boris Petkov <bp@suse.de>
Cc:     Joerg Roedel <jroedel@suse.de>,
        Michael Roth <michael.roth@amd.com>,
        Brijesh Singh <brijesh.singh@amd.com>,
        "the arch/x86 maintainers" <x86@kernel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
        kvm list <kvm@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        platform-driver-x86@vger.kernel.org,
        Andy Lutomirski <luto@kernel.org>,
        Sergio Lopez <slp@redhat.com>, linux-efi@vger.kernel.org,
        linux-coco@lists.linux.dev, Ingo Molnar <mingo@redhat.com>,
        "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Tony Luck <tony.luck@intel.com>, linux-mm@kvack.org,
        Jim Mattson <jmattson@google.com>,
        Ard Biesheuvel <ardb@kernel.org>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        David Rientjes <rientjes@google.com>,
        Dov Murik <dovmurik@linux.ibm.com>,
        Tobin Feldman-Fitzthum <tobin@ibm.com>,
        Sean Christopherson <seanjc@google.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Andi Kleen <ak@linux.intel.com>,
        Borislav Petkov <bp@alien8.de>, brijesh.ksingh@gmail.com,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        Marc Orr <marcorr@google.com>,
        "Dr . David Alan Gilbert" <dgilbert@redhat.com>,
        Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@linux.intel.com>
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On Thu, Mar 17, 2022 at 7:11 AM Boris Petkov <bp@suse.de> wrote:
>
> On March 14, 2022 5:34:42 PM UTC, Peter Gonda <pgonda@google.com> wrote:
> >I was also thinking about adding a vcpu run exit reason for
> >termination. It would be nice to get a more informative exit reason
> >than -EINVAL in userspace. Thoughts?
>
> Absolutely - it should be unambiguously clear why we're terminating.
>
> --
> Sent from a small device: formatting sux and brevity is inevitable.

Great, I can work on that too.