compilation fix of c/s 17723:c684cf331f94

# HG changeset patch
# User Isaku Yamahata <yamahatavalinux.co.jp>
# Date 1211773413 -32400
# Node ID e6882de818f7a8932e9c0689bb3b3f8b7c659098
# Parent  28083093cc5de08465c60793a02089a4745ebf3a
[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 <yamahatavalinux.co.jp>

diff --git a/xen/arch/ia64/xen/mm.c
b/xen/arch/ia64/xen/mm.c
--- a/xen/arch/ia64/xen/mm.c
+++ b/xen/arch/ia64/xen/mm.c
 -2935,6
+2935,18 
     }
 }
 
+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


-- 
yamahata

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