[PATCH v4 3/5] x86/boot/compressed/64: Check SEV encryption in 64-bit boot-path

From: Joerg Roedel Check whether the hypervisor reported the correct C-bit when running as an SEV guest. Using a wrong C-bit position could be used to leak sensitive data from the guest to the hypervisor. The check function is in arch/x86/kernel/sev_verify_cbit.S so that it can be re-used in

Re: [PATCH v4 3/5] x86/boot/compressed/64: Check SEV encryption in 64-bit boot-path

On 10/28/20 11:46 AM, Joerg Roedel wrote: > From: Joerg Roedel > > Check whether the hypervisor reported the correct C-bit when running as > an SEV guest. Using a wrong C-bit position could be used to leak > sensitive data from the guest to the hypervisor. > > The check function is in