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 the
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 arch/x86/k
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