- Update to 2.6.25-rc3.

[linux-flexiantxendom0-3.2.10.git] / drivers / infiniband / hw / ipath / ipath_keys.c

diff --git a/drivers/infiniband/hw/ipath/ipath_keys.c b/drivers/infiniband/hw/ipath/ipath_keys.c
index 85a4aef..8f32b17 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_keys.c
+++ b/drivers/infiniband/hw/ipath/ipath_keys.c
@@ -128,9 +128,8 @@ int ipath_lkey_ok(struct ipath_qp *qp, struct ipath_sge *isge,
        int ret;
 
        /*
-        * We use LKEY == zero to mean a physical kmalloc() address.
-        * This is a bit of a hack since we rely on dma_map_single()
-        * being reversible by calling bus_to_virt().
+        * We use LKEY == zero for kernel virtual addresses
+        * (see ipath_get_dma_mr and ipath_dma.c).
         */
        if (sge->lkey == 0) {
                struct ipath_pd *pd = to_ipd(qp->ibqp.pd);