Re: [PATCH v1 04/26] x86/sev: Add the host SEV-SNP initialization support

Borislav Petkov
2024-01-05T19:20:12Z

On Sat, Dec 30, 2023 at 10:19:32AM -0600, Michael Roth wrote:
> +static int __init __snp_rmptable_init(void)
> +{
> + u64 rmptable_size;
> + void *rmptable_start;
> + u64 val;

...

Ontop:

diff --git a/arch/x86/virt/svm/sev.c b/arch/x86/virt/svm/sev.c
index ce7ede9065ed..566bb6f39665 100644
--- a/arch/x86/virt/svm/sev.c
+++ b/arch/x86/virt/svm/sev.c
@@ -150,6 +150,11 @@ bool snp_probe_rmptable_info(void)
return true;
}

+/*
+ * Do the necessary preparations which are verified by the firmware as
+ * described in the SNP_INIT_EX firmware command description in the SNP
+ * firmware ABI spec.
+ */
static int __init __snp_rmptable_init(void)
{
u64 rmptable_size;

--
Regards/Gruss,
Boris.