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-rw-r--r--drivers/xen/grant-table.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 1b82e7a3722a..e6548910e79f 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -133,13 +133,6 @@ struct gnttab_ops {
* return the frame.
*/
unsigned long (*end_foreign_transfer_ref)(grant_ref_t ref);
- /*
- * Query the status of a grant entry. Ref parameter is reference of
- * queried grant entry, return value is the status of queried entry.
- * Detailed status(writing/reading) can be gotten from the return value
- * by bit operations.
- */
- int (*query_foreign_access)(grant_ref_t ref);
};
struct unmap_refs_callback_data {
@@ -284,22 +277,6 @@ int gnttab_grant_foreign_access(domid_t domid, unsigned long frame,
}
EXPORT_SYMBOL_GPL(gnttab_grant_foreign_access);
-static int gnttab_query_foreign_access_v1(grant_ref_t ref)
-{
- return gnttab_shared.v1[ref].flags & (GTF_reading|GTF_writing);
-}
-
-static int gnttab_query_foreign_access_v2(grant_ref_t ref)
-{
- return grstatus[ref] & (GTF_reading|GTF_writing);
-}
-
-int gnttab_query_foreign_access(grant_ref_t ref)
-{
- return gnttab_interface->query_foreign_access(ref);
-}
-EXPORT_SYMBOL_GPL(gnttab_query_foreign_access);
-
static int gnttab_end_foreign_access_ref_v1(grant_ref_t ref, int readonly)
{
u16 flags, nflags;
@@ -1427,7 +1404,6 @@ static const struct gnttab_ops gnttab_v1_ops = {
.update_entry = gnttab_update_entry_v1,
.end_foreign_access_ref = gnttab_end_foreign_access_ref_v1,
.end_foreign_transfer_ref = gnttab_end_foreign_transfer_ref_v1,
- .query_foreign_access = gnttab_query_foreign_access_v1,
};
static const struct gnttab_ops gnttab_v2_ops = {
@@ -1439,7 +1415,6 @@ static const struct gnttab_ops gnttab_v2_ops = {
.update_entry = gnttab_update_entry_v2,
.end_foreign_access_ref = gnttab_end_foreign_access_ref_v2,
.end_foreign_transfer_ref = gnttab_end_foreign_transfer_ref_v2,
- .query_foreign_access = gnttab_query_foreign_access_v2,
};
static bool gnttab_need_v2(void)