From: Michal Orzel <michal.orzel@arm.com>
Date: Tue, 6 Jul 2021 10:28:53 +0000 (+0200)
Subject: arm: Fix arch_initialise_vcpu to be unsupported
X-Git-Tag: archive/raspbian/4.16.0+51-g0941d6cb-1+rpi1~2^2~42^2~352
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=63fdea768d175e96443a53b95a6441f520743e2e;p=xen.git

arm: Fix arch_initialise_vcpu to be unsupported

Function arch_initialise_vcpu is not reachable as the
VCPUOP_initialise is an unsupported operation on arm.
Modify the function by adding ASSERT_UNREACHABLE() and
returning -EOPNOTSUPP.

Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Michal Orzel <michal.orzel@arm.com>
Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
Acked-by: Julien Grall <jgrall@amazon.com>
---

diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index 74bdbb9082..19c756ac3d 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -923,7 +923,8 @@ int arch_set_info_guest(
 
 int arch_initialise_vcpu(struct vcpu *v, XEN_GUEST_HANDLE_PARAM(void) arg)
 {
-    return default_initialise_vcpu(v, arg);
+    ASSERT_UNREACHABLE();
+    return -EOPNOTSUPP;
 }
 
 int arch_vcpu_reset(struct vcpu *v)