linux-kernel - Re: [PATCH v3 3/3] infiniband/mm: convert put_page() to put_user

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Date:   Mon, 8 Oct 2018 14:56:02 -0600
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     john.hubbard@...il.com, Matthew Wilcox <willy@...radead.org>,
        Michal Hocko <mhocko@...nel.org>,
        Christopher Lameter <cl@...ux.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Jan Kara <jack@...e.cz>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>,
        linux-rdma <linux-rdma@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org, Doug Ledford <dledford@...hat.com>,
        Mike Marciniszyn <mike.marciniszyn@...el.com>,
        Dennis Dalessandro <dennis.dalessandro@...el.com>,
        Christian Benvenuti <benve@...co.com>
Subject: Re: [PATCH v3 3/3] infiniband/mm: convert put_page() to
 put_user_page*()

On Mon, Oct 08, 2018 at 01:37:35PM -0700, John Hubbard wrote:
> On 10/8/18 12:42 PM, Jason Gunthorpe wrote:
> > On Fri, Oct 05, 2018 at 07:49:49PM -0700, john.hubbard@...il.com wrote:
> >> From: John Hubbard <jhubbard@...dia.com>
> [...]
> >>  drivers/infiniband/core/umem.c              |  7 ++++---
> >>  drivers/infiniband/core/umem_odp.c          |  2 +-
> >>  drivers/infiniband/hw/hfi1/user_pages.c     | 11 ++++-------
> >>  drivers/infiniband/hw/mthca/mthca_memfree.c |  6 +++---
> >>  drivers/infiniband/hw/qib/qib_user_pages.c  | 11 ++++-------
> >>  drivers/infiniband/hw/qib/qib_user_sdma.c   |  8 ++++----
> >>  drivers/infiniband/hw/usnic/usnic_uiom.c    |  7 ++++---
> >>  7 files changed, 24 insertions(+), 28 deletions(-)
> > 
> > I have no issues with this, do you want this series to go through the
> > rdma tree? Otherwise:
> > 
> > Acked-by: Jason Gunthorpe <jgg@...lanox.com>
> > 
> 
> The RDMA tree seems like a good path for this, yes, glad you suggested
> that.
> 
> I'll post a v4 with the comment fix and the recent reviewed-by's, which
> should be ready for that.  It's based on today's linux.git tree at the 
> moment, but let me know if I should re-apply it to the RDMA tree.

I'm unclear who needs to ack the MM sections for us to take it to
RDMA?

Otherwise it is no problem..

Jason