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413af6601f
Add checks for the three fields in Hyper-V's hypercall params that must be zero. Per the TLFS, HV_STATUS_INVALID_HYPERCALL_INPUT is returned if "A reserved bit in the specified hypercall input value is non-zero." Note, some versions of the TLFS have an off-by-one bug for the last reserved field, and define it as being bits 64:60. See https://github.com/MicrosoftDocs/Virtualization-Documentation/pull/1682. Signed-off-by: Sean Christopherson <seanjc@google.com> Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com> Message-Id: <20211207220926.718794-9-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| linux | ||
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