[PATCH][16/27] IB/mthca: allow address handle creation in interrupt context

Make address handle verbs usable from interrupt context.

Signed-off-by: Roland Dreier <[email protected]>


--- linux-export.orig/drivers/infiniband/hw/mthca/mthca_av.c	2005-03-31 19:07:01.000000000 -0800
+++ linux-export/drivers/infiniband/hw/mthca/mthca_av.c	2005-04-01 12:38:26.648176093 -0800
@@ -63,7 +63,7 @@
 	ah->type = MTHCA_AH_PCI_POOL;
 
 	if (dev->hca_type == ARBEL_NATIVE) {
-		ah->av   = kmalloc(sizeof *ah->av, GFP_KERNEL);
+		ah->av   = kmalloc(sizeof *ah->av, GFP_ATOMIC);
 		if (!ah->av)
 			return -ENOMEM;
 
@@ -77,7 +77,7 @@
 		if (index == -1)
 			goto on_hca_fail;
 
-		av = kmalloc(sizeof *av, GFP_KERNEL);
+		av = kmalloc(sizeof *av, GFP_ATOMIC);
 		if (!av)
 			goto on_hca_fail;
 
@@ -89,7 +89,7 @@
 on_hca_fail:
 	if (ah->type == MTHCA_AH_PCI_POOL) {
 		ah->av = pci_pool_alloc(dev->av_table.pool,
-					SLAB_KERNEL, &ah->avdma);
+					SLAB_ATOMIC, &ah->avdma);
 		if (!ah->av)
 			return -ENOMEM;
 
--- linux-export.orig/drivers/infiniband/hw/mthca/mthca_provider.c	2005-04-01 12:38:22.630048317 -0800
+++ linux-export/drivers/infiniband/hw/mthca/mthca_provider.c	2005-04-01 12:38:26.644176961 -0800
@@ -315,7 +315,7 @@
 	int err;
 	struct mthca_ah *ah;
 
-	ah = kmalloc(sizeof *ah, GFP_KERNEL);
+	ah = kmalloc(sizeof *ah, GFP_ATOMIC);
 	if (!ah)
 		return ERR_PTR(-ENOMEM);
 

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • [PATCH][17/27] IB/mthca: encapsulate MTT buddy allocator
    • From: Roland Dreier <[email protected]>

• References:
  • [PATCH][15/27] IB/mthca: fill in opcode field for send completions
    • From: Roland Dreier <[email protected]>

• Prev by Date: [PATCH][13/27] IB/mthca: implement RDMA/atomic operations for mem-free mode
• Next by Date: [PATCH][20/27] IB/mthca: add mthca_table_find() function
• Previous by thread: [PATCH][15/27] IB/mthca: fill in opcode field for send completions
• Next by thread: [PATCH][17/27] IB/mthca: encapsulate MTT buddy allocator
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]