From 7029ec408711d99849df019fa16c536b4845b8ba Mon Sep 17 00:00:00 2001
From: jsg <jsg@openbsd.org>
Date: Tue, 12 Jul 2022 04:52:38 +0000
Subject: [PATCH] allow cpuid 0x8000001d, cache topology on AMD ok mlarkin@

---
 sys/arch/amd64/amd64/vmm.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/sys/arch/amd64/amd64/vmm.c b/sys/arch/amd64/amd64/vmm.c
index e813d0630a6..84da19438b7 100644
--- a/sys/arch/amd64/amd64/vmm.c
+++ b/sys/arch/amd64/amd64/vmm.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vmm.c,v 1.317 2022/07/12 04:46:00 jsg Exp $	*/
+/*	$OpenBSD: vmm.c,v 1.318 2022/07/12 04:52:38 jsg Exp $	*/
 /*
  * Copyright (c) 2014 Mike Larkin <mlarkin@openbsd.org>
  *
@@ -7253,6 +7253,12 @@ vmm_handle_cpuid(struct vcpu *vcpu)
 		*rcx = 0;
 		*rdx = edx;
 		break;
+	case 0x8000001d:	/* cache topology (AMD) */
+		*rax = eax;
+		*rbx = ebx;
+		*rcx = ecx;
+		*rdx = edx;
+		break;
 	default:
 		DPRINTF("%s: unsupported rax=0x%llx\n", __func__, *rax);
 		*rax = 0;
-- 
2.20.1