do a manual ret-clean operation inside the vmm_dispatch_intr asm code

ok mlarkin

diff --git a/sys/arch/amd64/amd64/vmm_support.S b/sys/arch/amd64/amd64/vmm_support.S
index 9c02863..30c1b75 100644 (file)
--- a/sys/arch/amd64/amd64/vmm_support.S
+++ b/sys/arch/amd64/amd64/vmm_support.S
@@ -1,4 +1,4 @@
-/*     $OpenBSD: vmm_support.S,v 1.27 2024/04/01 05:11:49 guenther Exp $       */
+/*     $OpenBSD: vmm_support.S,v 1.28 2024/07/09 11:15:58 deraadt Exp $        */
 /*
  * Copyright (c) 2014 Mike Larkin <mlarkin@openbsd.org>
  *
@@ -57,6 +57,7 @@ vmm_dispatch_intr:
        pushq   %rax
        cli
        callq   *%rdi
+       movq    $0,-8(%rsp)
        ret
        lfence