On Wed, Nov 10, 2021 at 04:07:01PM -0600, Brijesh Singh wrote: > +static void snp_register_ghcb_early(unsigned long paddr) This needs __maybe_unused, otherwise it triggers a warning: arch/x86/kernel/sev-shared.c:78:13: warning: ‘snp_register_ghcb_early’ defined but not used [-Wunused-function] 78 | static void snp_register_ghcb_early(unsigned long paddr) | ^~~~~~~~~~~~~~~~~~~~~~~