From: Dongxiao Xu <dongxiao.xu@intel.com>
Date: Thu, 30 Aug 2012 16:58:23 +0000 (+0100)
Subject: nvmx: fix unhandled nested XSETBV VMExit
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~8015
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=944076d517216ac723899ebb6e65148783305e4c;p=xen.git

nvmx: fix unhandled nested XSETBV VMExit

If the L2 guest issue a XSETBV instruction, we need to deliver to
L1 guest.

This could fix the Fedora 17 booting hang issue as a L2 guest.

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Committed-by: Keir Fraser <keir@xen.org>
---

diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c
index 8a3fb8872b..d8900c979f 100644
--- a/xen/arch/x86/hvm/vmx/vvmx.c
+++ b/xen/arch/x86/hvm/vmx/vvmx.c
@@ -1506,6 +1506,7 @@ int nvmx_n2_vmexit_handler(struct cpu_user_regs *regs,
     case EXIT_REASON_VMXOFF:
     case EXIT_REASON_VMXON:
     case EXIT_REASON_INVEPT:
+    case EXIT_REASON_XSETBV:
         /* inject to L1 */
         nvcpu->nv_vmexit_pending = 1;
         break;