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[PATCH] x86/HVM: send mapcache invalidation request to qemu regardless of preemption

Even if only part of a hypercall completed before getting preempted,
invalidation ought to occur. Therefore fold the two return statements.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Split off from "x86/HVM: refine when to send mapcache invalidation
request to qemu".

--- a/xen/arch/x86/hvm/hypercall.c
+++ b/xen/arch/x86/hvm/hypercall.c
@@ -326,14 +326,11 @@ int hvm_hypercall(struct cpu_user_regs *
     HVM_DBG_LOG(DBG_LEVEL_HCALL, "hcall%lu -> %lx", eax, regs->rax);
-    if ( curr->hcall_preempted )
-        return HVM_HCALL_preempted;
     if ( unlikely(currd->arch.hvm.qemu_mapcache_invalidate) &&
          test_and_clear_bool(currd->arch.hvm.qemu_mapcache_invalidate) )
-    return HVM_HCALL_completed;
+    return curr->hcall_preempted ? HVM_HCALL_preempted : HVM_HCALL_completed;



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