From: Jason Gunthorpe <jgg@ziepe.ca>
To: ira.weiny@intel.com, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Daniel Borkmann <daniel@iogearbox.net>,
netdev@vger.kernel.org,
Mike Marciniszyn <mike.marciniszyn@intel.com>,
Dennis Dalessandro <dennis.dalessandro@intel.com>,
Doug Ledford <dledford@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Dan Williams <dan.j.williams@intel.com>
Subject: Re: [PATCH 0/3] Add gup fast + longterm and use it in HFI1
Date: Mon, 11 Feb 2019 13:47:10 -0700 [thread overview]
Message-ID: <20190211204710.GE24692@ziepe.ca> (raw)
In-Reply-To: <20190211203417.a2c2kbmjai43flyz@linux-r8p5>
On Mon, Feb 11, 2019 at 12:34:17PM -0800, Davidlohr Bueso wrote:
> On Mon, 11 Feb 2019, ira.weiny@intel.com wrote:
> > Ira Weiny (3):
> > mm/gup: Change "write" parameter to flags
> > mm/gup: Introduce get_user_pages_fast_longterm()
> > IB/HFI1: Use new get_user_pages_fast_longterm()
>
> Out of curiosity, are you planning on having all rdma drivers
> use get_user_pages_fast_longterm()? Ie:
>
> hw/mthca/mthca_memfree.c: ret = get_user_pages_fast(uaddr & PAGE_MASK, 1, FOLL_WRITE, pages);
This one is certainly a mistake - this should be done with a umem.
Jason
next prev parent reply other threads:[~2019-02-11 20:47 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-11 20:16 [PATCH 0/3] Add gup fast + longterm and use it in HFI1 ira.weiny
2019-02-11 20:16 ` [PATCH 1/3] mm/gup: Change "write" parameter to flags ira.weiny
2019-02-11 20:16 ` [PATCH 2/3] mm/gup: Introduce get_user_pages_fast_longterm() ira.weiny
2019-02-11 20:39 ` Jason Gunthorpe
2019-02-11 21:13 ` John Hubbard
2019-02-11 21:13 ` John Hubbard
2019-02-11 21:26 ` Ira Weiny
2019-02-11 21:39 ` John Hubbard
2019-02-11 21:39 ` John Hubbard
2019-02-11 21:45 ` Dan Williams
2019-02-11 21:52 ` Ira Weiny
2019-02-11 22:01 ` John Hubbard
2019-02-11 22:01 ` John Hubbard
2019-02-11 22:06 ` Jason Gunthorpe
2019-02-11 22:55 ` Dan Williams
2019-02-11 23:04 ` Weiny, Ira
2019-02-11 23:25 ` Jason Gunthorpe
2019-02-12 0:08 ` Ira Weiny
2019-02-11 20:16 ` [PATCH 3/3] IB/HFI1: Use new get_user_pages_fast_longterm() ira.weiny
2019-02-11 20:34 ` [PATCH 0/3] Add gup fast + longterm and use it in HFI1 Davidlohr Bueso
2019-02-11 20:47 ` Jason Gunthorpe [this message]
2019-02-11 21:42 ` Ira Weiny
2019-02-11 22:22 ` Jason Gunthorpe
2019-02-11 22:40 ` Weiny, Ira
2019-02-11 22:50 ` Jason Gunthorpe
2019-02-11 21:29 ` Ira Weiny
2019-02-11 20:40 ` Jason Gunthorpe
2019-02-11 21:14 ` Weiny, Ira
2019-02-11 22:23 ` Jason Gunthorpe
2019-02-13 23:04 ` [PATCH V2 0/7] Add FOLL_LONGTERM to GUP fast and use it ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` [PATCH V2 1/7] mm/gup: Replace get_user_pages_longterm() with FOLL_LONGTERM ira.weiny--- via dri-devel
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` [PATCH V2 2/7] mm/gup: Change write parameter to flags in fast walk ira.weiny
2019-02-13 23:04 ` ira.weiny--- via dri-devel
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` [PATCH V2 3/7] mm/gup: Change GUP fast to use flags rather than a write 'bool' ira.weiny
2019-02-13 23:04 ` ira.weiny--- via dri-devel
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:11 ` Jason Gunthorpe
2019-02-13 23:11 ` Jason Gunthorpe
2019-02-13 23:11 ` Jason Gunthorpe
2019-02-13 23:52 ` Ira Weiny via dri-devel
2019-02-13 23:52 ` Ira Weiny via dri-devel
2019-02-13 23:52 ` Ira Weiny
2019-02-13 23:52 ` Ira Weiny
2019-02-13 23:52 ` Ira Weiny
2019-02-13 23:04 ` [PATCH V2 4/7] mm/gup: Add FOLL_LONGTERM capability to GUP fast ira.weiny--- via dri-devel
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` [PATCH V2 5/7] IB/hfi1: Use the new FOLL_LONGTERM flag to get_user_pages_fast() ira.weiny
2019-02-13 23:04 ` ira.weiny--- via dri-devel
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` [PATCH V2 6/7] IB/qib: " ira.weiny
2019-02-13 23:04 ` ira.weiny--- via dri-devel
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` [PATCH V2 7/7] IB/mthca: " ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` ira.weiny
2019-02-13 23:04 ` [PATCH V2 0/7] Add FOLL_LONGTERM to GUP fast and use it ira.weiny
-- strict thread matches above, loose matches on Subject: below --
2019-02-15 18:29 Ira Weiny
2019-02-15 18:29 ` Ira Weiny
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