Re: [PATCH v2 01/11] KVM: SEV: fix compat ABI for KVM_MEMORY_ENCRYPT_OP

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On Fri, Feb 23, 2024, Paolo Bonzini wrote:
> The data structs for KVM_MEMORY_ENCRYPT_OP have different sizes for 32- and 64-bit
> kernels, but they do not make any attempt to convert from one ABI to the other.
> Fix this by adding the appropriate padding.

Maybe call out that SEV+ is 64-bit only, so this doesn't matter in practice?  Or
does this affect .compat_ioctl()?

> No functional change intended for 64-bit userspace.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Message-Id: <20240209183743.22030-2-pbonzini@xxxxxxxxxx>
> Reviewed-by: Michael Roth <michael.roth@xxxxxxx>
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

Heh, you've double-stamped several of the patches in this series.

Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>




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