From f7b9a6e5776d6d7edabf093376db8b3420732211 Mon Sep 17 00:00:00 2001
From: Jinank Jain <jinankjain@microsoft.com>
Date: Thu, 21 Mar 2024 09:37:26 +0530
Subject: [PATCH] hypervisor: mshv: Restrict unmapped GPA exit to x86

Current instruction emulator can only decode x86 instructions. Thus,
restrict the exit handling for just x86 guests.

Signed-off-by: Jinank Jain <jinankjain@microsoft.com>
---
 hypervisor/src/mshv/mod.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hypervisor/src/mshv/mod.rs b/hypervisor/src/mshv/mod.rs
index 9f53b7adf..2375db6ff 100644
--- a/hypervisor/src/mshv/mod.rs
+++ b/hypervisor/src/mshv/mod.rs
@@ -598,6 +598,7 @@ impl cpu::Vcpu for MshvVcpu {
                         .map_err(|e| cpu::HypervisorCpuError::SetRegister(e.into()))?;
                     Ok(cpu::VmExit::Ignore)
                 }
+                #[cfg(target_arch = "x86_64")]
                 hv_message_type_HVMSG_UNMAPPED_GPA => {
                     let info = x.to_memory_info().unwrap();
                     let insn_len = info.instruction_byte_count as usize;