Re: [PATCH rdma-core 3/3] libhns: Fix endian format of payload and immediate

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On Mon, Nov 06, 2017 at 09:43:05AM +0800, oulijun wrote:
> 在 2017/11/4 18:08, Leon Romanovsky 写道:
> > On Wed, Nov 01, 2017 at 10:13:28AM -0600, Jason Gunthorpe wrote:
> >> On Wed, Nov 01, 2017 at 06:00:40PM +0800, Lijun Ou wrote:
> >>> @@ -385,7 +385,7 @@ static int hns_roce_v2_poll_one(struct hns_roce_cq *cq,
> >>>  		case HNS_ROCE_RECV_OP_RDMA_WRITE_IMM:
> >>>  			wc->opcode = IBV_WC_RECV_RDMA_WITH_IMM;
> >>>  			wc->wc_flags = IBV_WC_WITH_IMM;
> >>> -			wc->imm_data = cqe->rkey_immtdata;
> >>> +			wc->imm_data = be32toh(cqe->rkey_immtdata);
> >>>  			break;
> >>
> >> This can't be right, wc->imm_data is marked be32.
> > 
> > Lijun,
> > 
> > Are you going to fix it?
> > 
> > Thanks
> > 
> Yes, I think that it is not fixed. I have tested the roce device
> aginst hip08, D05(ARM64) and CX3, and I also have tested the D05
> aginst cx3 and D05.  I also tried to run sparse and don't produce a
> userful result. I also follow Jason's advice. Is it ok?

The patch I sent fixes the bug properly, you need to review and
validate it.

You'll also need to get sparse to work, in the mean time use
'buildlib/cbuild pkg travis' which will run sparse on hns once you
apply my patch.

My patch fixes all the sparse problems.

Jason
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