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Date:   Thu, 14 Feb 2019 22:58:02 +0530
From:   Raju Rangoju <>
To:     Jason Gunthorpe <>
Cc:     "" <>,
        "" <>,
        "" <>,
        "" <>
Subject: Re: [rdma-rc PATCH 2/2] iw_cxgb4: cq/qp mask depends on bar2 pages
 in a host page

On Thursday, February 02/14/19, 2019 at 15:41:34 +0000, Jason Gunthorpe wrote:
> On Thu, Feb 14, 2019 at 05:40:54PM +0530, Raju Rangoju wrote:
> > Adjust the cq/qp mask based on no.of bar2 pages in a host page.
> > 
> > For user-mode rdma, the granularity of the BAR2 memory mapped
> > to a user rdma process during queue allocation must be based
> > on the host page size. The lld attributes udb_density and
> > ucq_density are used to figure out how many sge contexts are
> > in a bar2 page. So the rdev->qpmask and rdev->cqmask in
> > iw_cxgb4 need to now be adjusted based on how many sge bar2
> > pages are in a host page.
> Why is this rc? Do certain arches fail to work or something?

Yes, this series fixes a regression that was introduced by commit
2391b0030e (v5.0-rc1~129^2~272)

> Jason

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