Re: [edk2-devel] [PATCH v4 2/4] OvmfPkg/BaseMemEncryptLib: Support to issue unencrypted hypercall

2021-06-22 Thread Lendacky, Thomas via groups.io
On 6/21/21 8:57 AM, Ashish Kalra wrote: > From: Brijesh Singh > > By default all the SEV guest memory regions are considered encrypted, > if a guest changes the encryption attribute of the page (e.g mark a > page as decrypted) then notify hypervisor. Hypervisor will need to > track the

[edk2-devel] [PATCH v4 2/4] OvmfPkg/BaseMemEncryptLib: Support to issue unencrypted hypercall

2021-06-21 Thread Ashish Kalra via groups.io
From: Brijesh Singh By default all the SEV guest memory regions are considered encrypted, if a guest changes the encryption attribute of the page (e.g mark a page as decrypted) then notify hypervisor. Hypervisor will need to track the unencrypted pages. The information will be used during guest