All callers live in hvm.c. Moving the function there is undesirable, as
hash walking is local to common.c and probably better remains so. Hence
move an #endif, allowing to drop an #ifdef.

Signed-off-by: Jan Beulich <jbeulich@suse.com>

--- a/xen/arch/x86/mm/shadow/common.c
+++ b/xen/arch/x86/mm/shadow/common.c
@@ -1992,7 +1992,6 @@ int sh_remove_write_access(struct domain
     /* We killed at least one writeable mapping, so must flush TLBs. */
     return 1;
 }
-#endif /* CONFIG_HVM */
 
 /**************************************************************************/
 /* Remove all mappings of a guest frame from the shadow tables.
@@ -2004,12 +2003,10 @@ int sh_remove_all_mappings(struct domain
 
     /* Dispatch table for getting per-type functions */
     static const hash_callback_t callbacks[SH_type_unused] = {
-#ifdef CONFIG_HVM
         [SH_type_l1_32_shadow] = SHADOW_INTERNAL_NAME(sh_rm_mappings_from_l1, 2),
         [SH_type_fl1_32_shadow] = SHADOW_INTERNAL_NAME(sh_rm_mappings_from_l1, 2),
         [SH_type_l1_pae_shadow] = SHADOW_INTERNAL_NAME(sh_rm_mappings_from_l1, 3),
         [SH_type_fl1_pae_shadow] = SHADOW_INTERNAL_NAME(sh_rm_mappings_from_l1, 3),
-#endif
         [SH_type_l1_64_shadow] = SHADOW_INTERNAL_NAME(sh_rm_mappings_from_l1, 4),
         [SH_type_fl1_64_shadow] = SHADOW_INTERNAL_NAME(sh_rm_mappings_from_l1, 4),
     };
@@ -2064,6 +2061,7 @@ int sh_remove_all_mappings(struct domain
     return 1;
 }
 
+#endif /* CONFIG_HVM */
 
 /**************************************************************************/
 /* Remove all shadows of a guest frame from the shadow tables */