On 2021-12-10 09:43:02 -0600, Brijesh Singh wrote: > The SEV-SNP guest is required by the GHCB spec to register the GHCB's > Guest Physical Address (GPA). This is because the hypervisor may prefer > that a guest use a consistent and/or specific GPA for the GHCB associated > with a vCPU. For more information, see the GHCB specification section > "GHCB GPA Registration". > > If hypervisor can not work with the guest provided GPA then terminate the > guest boot. > > Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx> Reviewed-by: Venu Busireddy <venu.busireddy@xxxxxxxxxx> > --- > arch/x86/boot/compressed/sev.c | 4 ++++ > arch/x86/include/asm/sev-common.h | 13 +++++++++++++ > arch/x86/kernel/sev-shared.c | 16 ++++++++++++++++ > 3 files changed, 33 insertions(+) >
