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-rw-r--r--arch/x86/xen/mmu.c15
-rw-r--r--drivers/xen/privcmd.c5
-rw-r--r--include/xen/xen-ops.h5
3 files changed, 21 insertions, 4 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 6226c99..0f6386a 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2479,7 +2479,9 @@ static int remap_area_mfn_pte_fn(pte_t *ptep, pgtable_t token,
int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
unsigned long addr,
unsigned long mfn, int nr,
- pgprot_t prot, unsigned domid)
+ pgprot_t prot, unsigned domid,
+ struct page **pages)
+
{
struct remap_data rmd;
struct mmu_update mmu_update[REMAP_BATCH_SIZE];
@@ -2523,3 +2525,14 @@ out:
return err;
}
EXPORT_SYMBOL_GPL(xen_remap_domain_mfn_range);
+
+/* Returns: 0 success */
+int xen_unmap_domain_mfn_range(struct vm_area_struct *vma,
+ int numpgs, struct page **pages)
+{
+ if (!pages || !xen_feature(XENFEAT_auto_translated_physmap))
+ return 0;
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(xen_unmap_domain_mfn_range);
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 8adb9cc..b612267 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -178,7 +178,7 @@ static int mmap_mfn_range(void *data, void *state)
msg->va & PAGE_MASK,
msg->mfn, msg->npages,
vma->vm_page_prot,
- st->domain);
+ st->domain, NULL);
if (rc < 0)
return rc;
@@ -267,7 +267,8 @@ static int mmap_batch_fn(void *data, void *state)
int ret;
ret = xen_remap_domain_mfn_range(st->vma, st->va & PAGE_MASK, *mfnp, 1,
- st->vma->vm_page_prot, st->domain);
+ st->vma->vm_page_prot, st->domain,
+ NULL);
/* Store error code for second pass. */
*(st->err++) = ret;
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index 6a198e4..990b43e 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -27,6 +27,9 @@ struct vm_area_struct;
int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
unsigned long addr,
unsigned long mfn, int nr,
- pgprot_t prot, unsigned domid);
+ pgprot_t prot, unsigned domid,
+ struct page **pages);
+int xen_unmap_domain_mfn_range(struct vm_area_struct *vma,
+ int numpgs, struct page **pages);
#endif /* INCLUDE_XEN_OPS_H */
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