Lines Matching refs:encrypted

10 SME provides the ability to mark individual pages of memory as encrypted using
11 the standard x86 page tables.  A page that is marked encrypted will be
12 automatically decrypted when read from DRAM and encrypted when written to
16 SEV enables running encrypted virtual machines (VMs) in which the code and data
19 memory. Private memory is encrypted with the guest-specific key, while shared
20 memory may be encrypted with hypervisor key. When SME is enabled, the hypervisor
23 A page is encrypted when a page table entry has the encryption bit set (see
25 specified in the cr3 register, allowing the PGD table to be encrypted. Each
26 successive level of page tables can also be encrypted by setting the encryption
28 page table hierarchy to be encrypted. Note, this means that just because the
29 encryption bit is set in cr3, doesn't imply the full hierarchy is encrypted.
32 so that the PGD is encrypted, but not set the encryption bit in the PGD entry
34 encrypted.
90 activated in the BIOS, then all memory accesses will be encrypted and it will