From: Borislav Petkov (AMD) <bp@alien8.de>
Date: Mon, 8 May 2023 10:44:28 +0000 (+0200)
Subject: x86/coco: Get rid of accessor functions
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=da86eb9611840772a459693832e54c63cbcc040a;p=linux.git

x86/coco: Get rid of accessor functions

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
---

diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c
index df10e75be0852..eeec9986570ed 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 noinstr 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 e146b599260f8..971c6cfb15dd0 100644
--- a/arch/x86/coco/tdx/tdx.c
+++ b/arch/x86/coco/tdx/tdx.c
@@ -852,7 +852,7 @@ 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/hyperv/ivm.c b/arch/x86/hyperv/ivm.c
index cc92388b7a999..868f5dea2e10c 100644
--- a/arch/x86/hyperv/ivm.c
+++ b/arch/x86/hyperv/ivm.c
@@ -364,7 +364,7 @@ void __init hv_vtom_init(void)
 	 * Set it here to indicate a vTOM VM.
 	 */
 	sev_status = MSR_AMD64_SNP_VTOM;
-	cc_set_vendor(CC_VENDOR_AMD);
+	cc_vendor = CC_VENDOR_AMD;
 	cc_set_mask(ms_hyperv.shared_gpa_boundary);
 	physical_mask &= ms_hyperv.shared_gpa_boundary - 1;
 
diff --git a/arch/x86/include/asm/coco.h b/arch/x86/include/asm/coco.h
index eb08796002f3c..6ae2d16a7613b 100644
--- a/arch/x86/include/asm/coco.h
+++ b/arch/x86/include/asm/coco.h
@@ -10,30 +10,13 @@ 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/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c
index c6efcf559d882..bfe22fd5a1d74 100644
--- a/arch/x86/mm/mem_encrypt_identity.c
+++ b/arch/x86/mm/mem_encrypt_identity.c
@@ -612,7 +612,7 @@ 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);
 	}
 }