linux-kernel - [RFT PATCH v2 04/23] x86/sev: Make sev_snp

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Message-ID: <20250504095230.2932860-29-ardb+git@google.com>
Date: Sun,  4 May 2025 11:52:34 +0200
From: Ard Biesheuvel <ardb+git@...gle.com>
To: linux-kernel@...r.kernel.org
Cc: linux-efi@...r.kernel.org, x86@...nel.org, 
	Ard Biesheuvel <ardb@...nel.org>, Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...nel.org>, 
	Dionna Amalie Glaze <dionnaglaze@...gle.com>, Kevin Loughlin <kevinloughlin@...gle.com>, 
	Tom Lendacky <thomas.lendacky@....com>
Subject: [RFT PATCH v2 04/23] x86/sev: Make sev_snp_enabled() a static function

From: Ard Biesheuvel <ardb@...nel.org>

sev_snp_enabled() is no longer used outside of the source file that
defines it, so make it static and drop the extern declarations.

Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
---
 arch/x86/boot/compressed/sev.c | 2 +-
 arch/x86/boot/compressed/sev.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
index 478c65149cf0..bc52c0aa96d4 100644
--- a/arch/x86/boot/compressed/sev.c
+++ b/arch/x86/boot/compressed/sev.c
@@ -164,7 +164,7 @@ int svsm_perform_call_protocol(struct svsm_call *call)
 	return ret;
 }
 
-bool sev_snp_enabled(void)
+static bool sev_snp_enabled(void)
 {
 	return sev_status & MSR_AMD64_SEV_SNP_ENABLED;
 }
diff --git a/arch/x86/boot/compressed/sev.h b/arch/x86/boot/compressed/sev.h
index 4e463f33186d..9d21af3a220d 100644
--- a/arch/x86/boot/compressed/sev.h
+++ b/arch/x86/boot/compressed/sev.h
@@ -10,13 +10,11 @@
 
 #ifdef CONFIG_AMD_MEM_ENCRYPT
 
-bool sev_snp_enabled(void);
 void snp_accept_memory(phys_addr_t start, phys_addr_t end);
 u64 sev_get_status(void);
 
 #else
 
-static inline bool sev_snp_enabled(void) { return false; }
 static inline void snp_accept_memory(phys_addr_t start, phys_addr_t end) { }
 static inline u64 sev_get_status(void) { return 0; }
 
-- 
2.49.0.906.g1f30a19c02-goog