[PATCH] x86/shadow: make a local variable in sh_page_fault() HVM-only

[Jan Beulich]

I recall checking that "r" would still have a user, but when doing so I
failed to recognize that all uses are inside a CONFIG_HVM conditional
section.

Fixes: 9f4f20b27b07 ("x86/shadow: adjust some shadow_set_l<N>e() callers")
Reported-by: Stefano Stabellini <sstabell...@kernel.org>
Signed-off-by: Jan Beulich <jbeul...@suse.com>

--- a/xen/arch/x86/mm/shadow/multi.c
+++ b/xen/arch/x86/mm/shadow/multi.c
@@ -2155,8 +2155,8 @@ static int sh_page_fault(struct vcpu *v,
 #ifdef CONFIG_HVM
     struct sh_emulate_ctxt emul_ctxt;
     const struct x86_emulate_ops *emul_ops;
-#endif
     int r;
+#endif
     p2m_type_t p2mt;
     uint32_t rc, error_code;
     bool walk_ok;