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Shutemov" , "Kirill A . Shutemov" , Sathyanarayanan Kuppuswamy , Dave Hansen , Yu Zhang Subject: Re: [RFC] KVM: mm: fd-based approach for supporting KVM guest private memory Message-ID: References: <20210824005248.200037-1-seanjc@google.com> <307d385a-a263-276f-28eb-4bc8dd287e32@redhat.com> <61ea53ce-2ba7-70cc-950d-ca128bcb29c5@redhat.com> <9ec3636a-6434-4c98-9d8d-addc82858c41@www.fastmail.com> <85b1dabf-f7be-490a-a856-28227a85ab3a@www.fastmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <85b1dabf-f7be-490a-a856-28227a85ab3a@www.fastmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 01, 2021 at 10:08:33AM -0700, Andy Lutomirski wrote: > I asked David, and he said the PSP offers a swapping mechanism for > SEV-ES. I haven’t read the details, but they should all be public. Right, the details are here: https://www.amd.com/system/files/TechDocs/55766_SEV-KM_API_Specification.pdf Namely section 6.25 and 6.26 which describe the SWAP_OUT and SWAP_IN commands. Regards, Joerg