From: "Borislav Petkov (AMD)" bp@alien8.de
[ Commit da86eb9611840772a459693832e54c63cbcc040a upstream ]
cc_vendor is __ro_after_init and thus can be used directly.
No functional changes.
Signed-off-by: Borislav Petkov (AMD) bp@alien8.de Link: https://lore.kernel.org/r/20230508121957.32341-1-bp@alien8.de Signed-off-by: Ard Biesheuvel ardb@kernel.org --- arch/x86/coco/core.c | 2 +- arch/x86/coco/tdx/tdx.c | 2 +- arch/x86/include/asm/coco.h | 19 +------------------ arch/x86/kernel/cpu/mshyperv.c | 2 +- arch/x86/mm/mem_encrypt_identity.c | 2 +- 5 files changed, 5 insertions(+), 22 deletions(-)
diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c index 684f0a910475..1e73254336a6 100644 --- a/arch/x86/coco/core.c +++ b/arch/x86/coco/core.c @@ -13,7 +13,7 @@ #include <asm/coco.h> #include <asm/processor.h>
-enum cc_vendor cc_vendor __ro_after_init; +enum cc_vendor cc_vendor __ro_after_init = CC_VENDOR_NONE; static u64 cc_mask __ro_after_init;
static bool intel_cc_platform_has(enum cc_attr attr) diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c index d0565a9e7d8c..4692450aeb4d 100644 --- a/arch/x86/coco/tdx/tdx.c +++ b/arch/x86/coco/tdx/tdx.c @@ -793,7 +793,7 @@ void __init tdx_early_init(void)
setup_force_cpu_cap(X86_FEATURE_TDX_GUEST);
- cc_set_vendor(CC_VENDOR_INTEL); + cc_vendor = CC_VENDOR_INTEL; tdx_parse_tdinfo(&cc_mask); cc_set_mask(cc_mask);
diff --git a/arch/x86/include/asm/coco.h b/arch/x86/include/asm/coco.h index 91b9448ffe76..75a0d7b1a906 100644 --- a/arch/x86/include/asm/coco.h +++ b/arch/x86/include/asm/coco.h @@ -11,30 +11,13 @@ enum cc_vendor { CC_VENDOR_INTEL, };
-#ifdef CONFIG_ARCH_HAS_CC_PLATFORM extern enum cc_vendor cc_vendor;
-static inline enum cc_vendor cc_get_vendor(void) -{ - return cc_vendor; -} - -static inline void cc_set_vendor(enum cc_vendor vendor) -{ - cc_vendor = vendor; -} - +#ifdef CONFIG_ARCH_HAS_CC_PLATFORM void cc_set_mask(u64 mask); u64 cc_mkenc(u64 val); u64 cc_mkdec(u64 val); #else -static inline enum cc_vendor cc_get_vendor(void) -{ - return CC_VENDOR_NONE; -} - -static inline void cc_set_vendor(enum cc_vendor vendor) { } - static inline u64 cc_mkenc(u64 val) { return val; diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 34d9e899e471..9b039e9635e4 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -344,7 +344,7 @@ static void __init ms_hyperv_init_platform(void) /* Isolation VMs are unenlightened SEV-based VMs, thus this check: */ if (IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT)) { if (hv_get_isolation_type() != HV_ISOLATION_TYPE_NONE) - cc_set_vendor(CC_VENDOR_HYPERV); + cc_vendor = CC_VENDOR_HYPERV; } }
diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c index a11a6ebbf5ec..4daeefa011ed 100644 --- a/arch/x86/mm/mem_encrypt_identity.c +++ b/arch/x86/mm/mem_encrypt_identity.c @@ -608,7 +608,7 @@ void __init sme_enable(struct boot_params *bp) out: if (sme_me_mask) { physical_mask &= ~sme_me_mask; - cc_set_vendor(CC_VENDOR_AMD); + cc_vendor = CC_VENDOR_AMD; cc_set_mask(sme_me_mask); } }