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[Xen-devel] [PATCH v5 4/7] xen: introduce mfn_init macro

To be used in constant initializations of mfn_t variables, such as:

static mfn_t node = mfn_init(MM_ADDR);

It is necessary because static inline functions cannot be used as static

Signed-off-by: Stefano Stabellini <stefanos@xxxxxxxxxx>
CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
CC: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
CC: Jan Beulich <jbeulich@xxxxxxxx>
CC: Julien Grall <julien.grall@xxxxxxx>
CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: Tim Deegan <tim@xxxxxxx>
CC: Wei Liu <wei.liu2@xxxxxxxxxx>
 xen/include/xen/mm.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/xen/include/xen/mm.h b/xen/include/xen/mm.h
index 054d02e..692967e 100644
--- a/xen/include/xen/mm.h
+++ b/xen/include/xen/mm.h
@@ -77,6 +77,12 @@ TYPE_SAFE(unsigned long, mfn);
 #undef mfn_x
+#ifndef NDEBUG
+#define mfn_init(x) { x }
+#define mfn_init(x) x
 static inline mfn_t mfn_add(mfn_t mfn, unsigned long i)
     return _mfn(mfn_x(mfn) + i);

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