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authorTim Deegan <tim@xen.org>2012-11-29 10:49:53 +0000
committerTim Deegan <tim@xen.org>2012-11-29 10:49:53 +0000
commit9f1cbc3346a7c5aaed278f9b63da78fbd0ae54f8 (patch)
tree04995f51e450032491096ce54b826acd2cfb7d30
parent239168fe989a5cf02b360196268fcc801f31f891 (diff)
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x86/mm: Comment the definitions of _mfn(), _gfn() &c.
It's not very easy to find them if you don't know to look for the TYPE_SAFE() macro. Signed-off-by: Tim Deegan <tim@xen.org> Committed-by: Tim Deegan <tim@xen.org>
-rw-r--r--xen/include/asm-x86/guest_pt.h5
-rw-r--r--xen/include/asm-x86/mm.h5
2 files changed, 10 insertions, 0 deletions
diff --git a/xen/include/asm-x86/guest_pt.h b/xen/include/asm-x86/guest_pt.h
index a5714e1403..4e1dda0f59 100644
--- a/xen/include/asm-x86/guest_pt.h
+++ b/xen/include/asm-x86/guest_pt.h
@@ -37,6 +37,11 @@
TYPE_SAFE(unsigned long,gfn)
#define PRI_gfn "05lx"
+#ifndef gfn_t
+#define gfn_t /* Grep fodder: gfn_t, _gfn() and gfn_x() are defined above */
+#undef gfn_t
+#endif
+
#define VALID_GFN(m) (m != INVALID_GFN)
static inline int
diff --git a/xen/include/asm-x86/mm.h b/xen/include/asm-x86/mm.h
index 494dad8b5f..5a6e435700 100644
--- a/xen/include/asm-x86/mm.h
+++ b/xen/include/asm-x86/mm.h
@@ -456,6 +456,11 @@ static inline _type _name##_x(_name##_t n) { return n; }
TYPE_SAFE(unsigned long,mfn);
+#ifndef mfn_t
+#define mfn_t /* Grep fodder: mfn_t, _mfn() and mfn_x() are defined above */
+#undef mfn_t
+#endif
+
/* Macro for printk formats: use as printk("%"PRI_mfn"\n", mfn_x(foo)); */
#define PRI_mfn "05lx"