[xen master] common: move a few macros out of xen/lib.h

[patchbot@xxxxxxx]

commit 8f324b966471698d245001e2365bb71707b07277
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Jul 19 10:20:38 2023 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jul 19 10:20:38 2023 +0200

    common: move a few macros out of xen/lib.h
    
    Introduce xen/macros.h for this purpose. For now xen/lib.h simply
    includes xen/macro.h, until consumers can be suitable cleaned up.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
    Reviewed-by: Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>
---
 xen/include/xen/lib.h    | 21 +--------------------
 xen/include/xen/macros.h | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 20 deletions(-)

diff --git a/xen/include/xen/lib.h b/xen/include/xen/lib.h
index a8958ed57b..dae2a1f085 100644
--- a/xen/include/xen/lib.h
+++ b/xen/include/xen/lib.h
@@ -1,26 +1,7 @@
 #ifndef __LIB_H__
 #define __LIB_H__
 
-#define ROUNDUP(x, a) (((x) + (a) - 1) & ~((a) - 1))
-
-#define IS_ALIGNED(val, align) (!((val) & ((align) - 1)))
-
-#define DIV_ROUND(n, d) (((n) + (d) / 2) / (d))
-#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
-
-#define MASK_EXTR(v, m) (((v) & (m)) / ((m) & -(m)))
-#define MASK_INSR(v, m) (((v) * ((m) & -(m))) & (m))
-
-#define count_args_(dot, a1, a2, a3, a4, a5, a6, a7, a8, x, ...) x
-#define count_args(args...) \
-    count_args_(., ## args, 8, 7, 6, 5, 4, 3, 2, 1, 0)
-
-/* Indirect macros required for expanded argument pasting. */
-#define PASTE_(a, b) a ## b
-#define PASTE(a, b) PASTE_(a, b)
-
-#define __STR(...) #__VA_ARGS__
-#define STR(...) __STR(__VA_ARGS__)
+#include <xen/macros.h>
 
 #ifndef __ASSEMBLY__
 
diff --git a/xen/include/xen/macros.h b/xen/include/xen/macros.h
new file mode 100644
index 0000000000..7b92d34504
--- /dev/null
+++ b/xen/include/xen/macros.h
@@ -0,0 +1,34 @@
+#ifndef __MACROS_H__
+#define __MACROS_H__
+
+#define ROUNDUP(x, a) (((x) + (a) - 1) & ~((a) - 1))
+
+#define IS_ALIGNED(val, align) (!((val) & ((align) - 1)))
+
+#define DIV_ROUND(n, d) (((n) + (d) / 2) / (d))
+#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
+
+#define MASK_EXTR(v, m) (((v) & (m)) / ((m) & -(m)))
+#define MASK_INSR(v, m) (((v) * ((m) & -(m))) & (m))
+
+#define count_args_(dot, a1, a2, a3, a4, a5, a6, a7, a8, x, ...) x
+#define count_args(args...) \
+    count_args_(., ## args, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+
+/* Indirect macros required for expanded argument pasting. */
+#define PASTE_(a, b) a ## b
+#define PASTE(a, b) PASTE_(a, b)
+
+#define __STR(...) #__VA_ARGS__
+#define STR(...) __STR(__VA_ARGS__)
+
+#endif /* __MACROS_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
--
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