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

Roland Dreier
2005-04-01T21:00:29Z

Make address handle verbs usable from interrupt context.

Signed-off-by: Roland Dreier <roland@topspin.com>

--- 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);