Re: [PATCH v7 15/45] x86/compressed: Register GHCB memory when SEV-SNP is active

From: Jörg Rödel
Date: Mon Nov 15 2021 - 09:06:02 EST


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)
| ^~~~~~~~~~~~~~~~~~~~~~~