linux-kernel - [PATCH] x86/sev: Rename sev_es_ghcb_handle_msr() to __vc_handle

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Message-ID: <20260119141310.29605-1-bp@kernel.org>
Date: Mon, 19 Jan 2026 15:13:10 +0100
From: Borislav Petkov <bp@...nel.org>
To: Tom Lendacky <thomas.lendacky@....com>
Cc: X86 ML <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Borislav Petkov (AMD)" <bp@...en8.de>
Subject: [PATCH] x86/sev: Rename sev_es_ghcb_handle_msr() to __vc_handle_msr()

From: "Borislav Petkov (AMD)" <bp@...en8.de>

Forgot to do that during the Secure AVIC review. :-\

No functional changes.

Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
---
 arch/x86/coco/sev/core.c      | 4 ++--
 arch/x86/coco/sev/internal.h  | 2 +-
 arch/x86/coco/sev/vc-handle.c | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/coco/sev/core.c b/arch/x86/coco/sev/core.c
index 379e0c09c7f3..a059e004f61b 100644
--- a/arch/x86/coco/sev/core.c
+++ b/arch/x86/coco/sev/core.c
@@ -989,7 +989,7 @@ u64 savic_ghcb_msr_read(u32 reg)
 	ghcb = __sev_get_ghcb(&state);
 	vc_ghcb_invalidate(ghcb);
 
-	res = sev_es_ghcb_handle_msr(ghcb, &ctxt, false);
+	res = __vc_handle_msr(ghcb, &ctxt, false);
 	if (res != ES_OK) {
 		pr_err("Secure AVIC MSR (0x%llx) read returned error (%d)\n", msr, res);
 		/* MSR read failures are treated as fatal errors */
@@ -1019,7 +1019,7 @@ void savic_ghcb_msr_write(u32 reg, u64 value)
 	ghcb = __sev_get_ghcb(&state);
 	vc_ghcb_invalidate(ghcb);
 
-	res = sev_es_ghcb_handle_msr(ghcb, &ctxt, true);
+	res = __vc_handle_msr(ghcb, &ctxt, true);
 	if (res != ES_OK) {
 		pr_err("Secure AVIC MSR (0x%llx) write returned error (%d)\n", msr, res);
 		/* MSR writes should never fail. Any failure is fatal error for SNP guest */
diff --git a/arch/x86/coco/sev/internal.h b/arch/x86/coco/sev/internal.h
index 039326b5c799..b1d0c66a651a 100644
--- a/arch/x86/coco/sev/internal.h
+++ b/arch/x86/coco/sev/internal.h
@@ -85,7 +85,7 @@ static __always_inline void sev_es_wr_ghcb_msr(u64 val)
 	native_wrmsr(MSR_AMD64_SEV_ES_GHCB, low, high);
 }
 
-enum es_result sev_es_ghcb_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt, bool write);
+enum es_result __vc_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt, bool write);
 
 u64 get_hv_features(void);
 
diff --git a/arch/x86/coco/sev/vc-handle.c b/arch/x86/coco/sev/vc-handle.c
index 43f264afd590..d98b5c08ef00 100644
--- a/arch/x86/coco/sev/vc-handle.c
+++ b/arch/x86/coco/sev/vc-handle.c
@@ -404,7 +404,7 @@ static enum es_result __vc_handle_secure_tsc_msrs(struct es_em_ctxt *ctxt, bool
 	return ES_OK;
 }
 
-enum es_result sev_es_ghcb_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt, bool write)
+enum es_result __vc_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt, bool write)
 {
 	struct pt_regs *regs = ctxt->regs;
 	enum es_result ret;
@@ -448,7 +448,7 @@ enum es_result sev_es_ghcb_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt
 
 static enum es_result vc_handle_msr(struct ghcb *ghcb, struct es_em_ctxt *ctxt)
 {
-	return sev_es_ghcb_handle_msr(ghcb, ctxt, ctxt->insn.opcode.bytes[1] == 0x30);
+	return __vc_handle_msr(ghcb, ctxt, ctxt->insn.opcode.bytes[1] == 0x30);
 }
 
 static void __init vc_early_forward_exception(struct es_em_ctxt *ctxt)
-- 
2.51.0