[PATCH] iw_cxgb4: set correct FetchBurstMax for QPs

"Steve Wise" <swise@xxxxxxxxxxxxxxxxxxxxx> · Fri, 3 Feb 2017 11:04:13 -0600

I forgot to add the stable Cc tag when I submitted this, but it is important to
get this patch into 4.9.x:

commit b414fa01c31318383ae29d9d23cb9ca4184bbd86
Author: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
Date:   Thu Dec 15 08:09:35 2016 -0800

    iw_cxgb4: set correct FetchBurstMax for QPs

    The current QP FetchBurstMax value is 256B, which
    is incorrect since a WR can exceed that value.  The
    result being a partial WR fetched by hardware, and
    a fatal "bad WR" error posted by the SGE.

    So bump the FetchBurstMax to 512B.

    Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>

I'm not sure if this is the correct way to request this, but I think I'm
following _option_2 from Documentation/stable_kernel_rules.txt.

Thanks,

Steve.

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