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Date: Sun, 5 Feb 2017 11:28:47 +0100
From: Greg KH <gregkh@linuxfoundation.org>
To: Steve Wise <swise@opengridcomputing.com>
Cc: stable@vger.kernel.org
Subject: Re: [PATCH] iw_cxgb4: set correct FetchBurstMax for QPs
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On Fri, Feb 03, 2017 at 11:04:13AM -0600, Steve Wise wrote:
> 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@opengridcomputing.com>
> 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@opengridcomputing.com>
>     Signed-off-by: Doug Ledford <dledford@redhat.com>
> 
> 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.

Now queued up.  Are you sure this isn't also needed in the 4.4-stable
tree?

thanks,

greg k-h