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x86/sev: Make sev_snp_enabled() a static function

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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@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Dionna Amalie Glaze <dionnaglaze@google.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Kevin Loughlin <kevinloughlin@google.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-efi@vger.kernel.org
Link: https://lore.kernel.org/r/20250504095230.2932860-29-ardb+git@google.com
This commit is contained in:
Ard Biesheuvel 2025-05-04 11:52:34 +02:00 committed by Ingo Molnar
parent b3464a36f7
commit fae89bbfdd
2 changed files with 1 additions and 3 deletions
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2
arch/x86/boot/compressed/sev.c
View File

@ -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;
}

2
arch/x86/boot/compressed/sev.h
View File

@ -10,14 +10,12 @@
#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);
bool early_is_sevsnp_guest(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; }
static inline bool early_is_sevsnp_guest(void) { return false; }