x86/paging: Make paging_mode_*() predicates behave like predicates

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Acked-by: George Dunlap <george.dunlap@citrix.com>

diff --git a/xen/include/asm-x86/paging.h b/xen/include/asm-x86/paging.h
index a1401abf5511998679ea8ac332ae54e6b88a422f..56eef6b51231d4cb5ff85e56ad09c0a9114cbf0c 100644 (file)
--- a/xen/include/asm-x86/paging.h
+++ b/xen/include/asm-x86/paging.h
@@ -57,14 +57,14 @@
  * requires VT or similar mechanisms */
 #define PG_external    (XEN_DOMCTL_SHADOW_ENABLE_EXTERNAL << PG_mode_shift)
 
-#define paging_mode_enabled(_d)   ((_d)->arch.paging.mode)
-#define paging_mode_shadow(_d)    ((_d)->arch.paging.mode & PG_SH_enable)
-#define paging_mode_hap(_d)       ((_d)->arch.paging.mode & PG_HAP_enable)
-
-#define paging_mode_refcounts(_d) ((_d)->arch.paging.mode & PG_refcounts)
-#define paging_mode_log_dirty(_d) ((_d)->arch.paging.mode & PG_log_dirty)
-#define paging_mode_translate(_d) ((_d)->arch.paging.mode & PG_translate)
-#define paging_mode_external(_d)  ((_d)->arch.paging.mode & PG_external)
+#define paging_mode_enabled(_d)   (!!(_d)->arch.paging.mode)
+#define paging_mode_shadow(_d)    (!!((_d)->arch.paging.mode & PG_SH_enable))
+#define paging_mode_hap(_d)       (!!((_d)->arch.paging.mode & PG_HAP_enable))
+
+#define paging_mode_refcounts(_d) (!!((_d)->arch.paging.mode & PG_refcounts))
+#define paging_mode_log_dirty(_d) (!!((_d)->arch.paging.mode & PG_log_dirty))
+#define paging_mode_translate(_d) (!!((_d)->arch.paging.mode & PG_translate))
+#define paging_mode_external(_d)  (!!((_d)->arch.paging.mode & PG_external))
 
 /* flags used for paging debug */
 #define PAGING_DEBUG_LOGDIRTY 0