[IA64] compilation fix of c/s 17723:c684cf331f94

This patch fixes the compilation error caused by the c/s 17723:c684cf331f94.
Define stub functions which return -ENOSYS.

ia64-linux-gnu-ld -g -T xen.lds.s -N \
                -Map map.out linux-xen/head.o xen-unstable.hg/xen/common/built_in.o xen-unstable.hg/xen/drivers/built_in.o xen-unstable.hg/xen/xsm/built_in.o xen-unstable.hg/xen/arch/ia64/built_in.o \
                xen-unstable.hg/xen/common/symbols-dummy.o -o xen-unstable.hg/xen/xen-syms
xen-unstable.hg/xen/common/built_in.o: In function `__gnttab_unmap_common':
xen-unstable.hg/xen/common/grant_table.c:566: undefined reference to `iommu_unmap_page'
xen-unstable.hg/xen/common/built_in.o: In function `__gnttab_map_grant_ref':
xen-unstable.hg/xen/common/grant_table.c:388: undefined reference to `iommu_map_page'

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>

diff --git a/xen/arch/ia64/xen/mm.c b/xen/arch/ia64/xen/mm.c
index 8634740f58500750018c432450e57b65a0ee7006..ceb4aa3cce502154926155d947ea5203c39e78d6 100644 (file)
--- a/xen/arch/ia64/xen/mm.c
+++ b/xen/arch/ia64/xen/mm.c
@@ -2935,6 +2935,18 @@ void xencomm_mark_dirty(unsigned long addr, unsigned int len)
     }
 }
 
+int iommu_map_page(struct domain *d, unsigned long gfn, unsigned long mfn)
+{
+    /* STUB to compile */
+    return -ENOSYS;
+}
+
+int iommu_unmap_page(struct domain *d, unsigned long gfn)
+{
+    /* STUB to compile */
+    return -ENOSYS;
+}
+
 /*
  * Local variables:
  * mode: C