On 17 October 2014 08:52, Roland Dreier <roland@xxxxxxxxxx> wrote:
> Hi Linus,
>
> Please pull from
>
> git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git tags/rdma-for-linus
>
> ----------------------------------------------------------------
> Main set of InfiniBand/RDMA updates for 3.18 merge window:
>
> - Large set of iSER initiator improvements
> - Hardware driver fixes for cxgb4, mlx5 and ocrdma
> - Small fixes to core midlayer
>
building on 32-bit x86.
CC [M] drivers/infiniband/ulp/iser/iser_verbs.o
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:
In function ‘iser_handle_comp_error’:
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:1171:33:
warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
if (is_iser_tx_desc(iser_conn, (void *)wc->wr_id)) {
^
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:1172:31:
warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
struct iser_tx_desc *desc = (struct iser_tx_desc *)wc->wr_id;
^
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:
In function ‘iser_handle_wc’:
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:1198:14:
warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
rx_desc = (struct iser_rx_desc *)wc->wr_id;
^
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:1203:14:
warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
tx_desc = (struct iser_tx_desc *)wc->wr_id;
^
Not sure anyone would ever want to run this code on 32-bit boxes, but
I'm a bit worried if wr_id is a 64-bit value, and we encode it into a
32-bit pointer, you'd always lose the top 32-bits.
Dave.
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