IB/ehca: Remove tgid checking

[linux-2.6] / drivers / infiniband / hw / ehca / ehca_pd.c

diff --git a/drivers/infiniband/hw/ehca/ehca_pd.c b/drivers/infiniband/hw/ehca/ehca_pd.c
index 79d0591a80431eb487fad97590f1ecfa83f531b1..2fe554855fa5bbdef4ee1ff0aa63982231393094 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_pd.c
+++ b/drivers/infiniband/hw/ehca/ehca_pd.c
@@ -38,8 +38,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <asm/current.h>
-
 #include "ehca_tools.h"
 #include "ehca_iverbs.h"
 
@@ -49,6 +47,7 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device,
                            struct ib_ucontext *context, struct ib_udata *udata)
 {
        struct ehca_pd *pd;
+       int i;
 
        pd = kmem_cache_zalloc(pd_cache, GFP_KERNEL);
        if (!pd) {
@@ -57,7 +56,11 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device,
                return ERR_PTR(-ENOMEM);
        }
 
-       pd->ownpid = current->tgid;
+       for (i = 0; i < 2; i++) {
+               INIT_LIST_HEAD(&pd->free[i]);
+               INIT_LIST_HEAD(&pd->full[i]);
+       }
+       mutex_init(&pd->lock);
 
        /*
         * Kernel PD: when device = -1, 0
@@ -79,18 +82,24 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device,
 
 int ehca_dealloc_pd(struct ib_pd *pd)
 {
-       u32 cur_pid = current->tgid;
        struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd);
+       int i, leftovers = 0;
+       struct ipz_small_queue_page *page, *tmp;
 
-       if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
-           my_pd->ownpid != cur_pid) {
-               ehca_err(pd->device, "Invalid caller pid=%x ownpid=%x",
-                        cur_pid, my_pd->ownpid);
-               return -EINVAL;
+       for (i = 0; i < 2; i++) {
+               list_splice(&my_pd->full[i], &my_pd->free[i]);
+               list_for_each_entry_safe(page, tmp, &my_pd->free[i], list) {
+                       leftovers = 1;
+                       free_page(page->page);
+                       kmem_cache_free(small_qp_cache, page);
+               }
        }
 
-       kmem_cache_free(pd_cache,
-                       container_of(pd, struct ehca_pd, ib_pd));
+       if (leftovers)
+               ehca_warn(pd->device,
+                         "Some small queue pages were not freed");
+
+       kmem_cache_free(pd_cache, my_pd);
 
        return 0;
 }
@@ -100,7 +109,7 @@ int ehca_init_pd_cache(void)
        pd_cache = kmem_cache_create("ehca_cache_pd",
                                     sizeof(struct ehca_pd), 0,
                                     SLAB_HWCACHE_ALIGN,
-                                    NULL, NULL);
+                                    NULL);
        if (!pd_cache)
                return -ENOMEM;
        return 0;