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    SubjectRe: [PATCH v3 40/75] x86/sev-es: Compile early handler code into kernel image
    On Thu, Jun 04, 2020 at 01:54:13PM +0200, Joerg Roedel wrote:
    > It is not only the trace-point, this would also eliminate exception
    > handling in case the MSR access triggers a #GP. The "Unhandled MSR
    > read/write" messages would turn into a "General Protection Fault"
    > message.

    But the early ones can trigger a #GP too. And there we can't handle
    those #GPs.

    Why would the late ones need exception handling all of a sudden? And
    for the GHCB MSR, of all MSRs which the SEV-ES guest has used so far to
    bootstrap?!

    --
    Regards/Gruss,
    Boris.

    https://people.kernel.org/tglx/notes-about-netiquette

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