This patch fixes a migth_sleep kernel warning with using sdp + ehca device
driver.
We have to change the kmem_cache_alloc() attribute from GFP_KERNEL to
GFP_ATOMIC because sdp is running within a spinlock
during ah allocation.
regards Stefan
Signed-off-by: Stefan Roscher <stefan.roscher at de.ibm.com>
---
ehca_av.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -Nurp ofa_kernel-1.3_old/drivers/infiniband/hw/ehca/ehca_av.c
ofa_kernel-1.3_new/drivers/infiniband/hw/ehca/ehca_av.c
--- ofa_kernel-1.3_old/drivers/infiniband/hw/ehca/ehca_av.c 2007-11-19
14:32:35.000000000 +0100
+++ ofa_kernel-1.3_new/drivers/infiniband/hw/ehca/ehca_av.c 2007-11-19
14:40:16.000000000 +0100
@@ -57,7 +57,7 @@ struct ib_ah *ehca_create_ah(struct ib_p
struct ehca_shca *shca = container_of(pd->device, struct ehca_shca,
ib_device);
- av = kmem_cache_alloc(av_cache, GFP_KERNEL);
+ av = kmem_cache_alloc(av_cache, GFP_ATOMIC);
if (!av) {
ehca_err(pd->device, "Out of memory pd=%p ah_attr=%p",
pd, ah_attr);
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