Re: [edk2-devel] [RFC PATCH v5 00/28] Add AMD Secure Nested Paging (SEV-SNP) support

2021-08-27 Thread Gerd Hoffmann
Hi, [ /me reading through a bunch of old threads ] > Many of the integrity guarantees of SEV-SNP are enforced through a new > structure called the Reverse Map Table (RMP). Adding a new page to SEV-SNP > VM requires a 2-step process. First, the hypervisor assigns a page to the > guest using

[edk2-devel] [RFC PATCH v5 00/28] Add AMD Secure Nested Paging (SEV-SNP) support

2021-06-30 Thread Brijesh Singh via groups.io
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275 SEV-SNP builds upon existing SEV and SEV-ES functionality while adding new hardware-based memory protections. SEV-SNP adds strong memory integrity protection to help prevent malicious hypervisor-based attacks like data replay, memory re-mappi