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
initializers.
Signed-off-by: Stefano Stabellini <stefa...@xilinx.com>
CC: Andrew Cooper <andrew.coop...@citrix.com>
CC: George Dunlap <george.dun...@eu.citrix.com>
CC: Ian Jackson <ian.jack...@eu.citrix.com>
CC: Jan Beulich <jbeul...@suse.com>
CC: Julien Grall <julien.gr...@arm.com>
CC: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
CC: Stefano Stabellini <sstabell...@kernel.org>
CC: Tim Deegan <t...@xen.org>
CC: Wei Liu <wei.l...@citrix.com>
---
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
#endif
+#ifndef NDEBUG
+#define mfn_init(x) { x }
+#else
+#define mfn_init(x) x
+#endif
+
static inline mfn_t mfn_add(mfn_t mfn, unsigned long i)
{
return _mfn(mfn_x(mfn) + i);
--
1.9.1
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