From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Dan Williams <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Jeff Moyer <jmoyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Ross Zwisler
<ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Hal Rosenstock
<hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 2/3] IB/core: disable memory registration of fileystem-dax vmas
Date: Fri, 10 Nov 2017 10:01:19 +0100 [thread overview]
Message-ID: <20171110090119.GB4895@lst.de> (raw)
In-Reply-To: <151001624138.16354.16836728315400060928.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
On Mon, Nov 06, 2017 at 04:57:21PM -0800, Dan Williams wrote:
> Until there is a solution to the dma-to-dax vs truncate problem it is
> not safe to allow RDMA to create long standing memory registrations
> against filesytem-dax vmas.
Looks good:
Reviewed-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Dan Williams <dan.j.williams@intel.com>
Cc: akpm@linux-foundation.org, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, Jeff Moyer <jmoyer@redhat.com>,
stable@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
linux-mm@kvack.org, Doug Ledford <dledford@redhat.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
Sean Hefty <sean.hefty@intel.com>,
Hal Rosenstock <hal.rosenstock@gmail.com>
Subject: Re: [PATCH 2/3] IB/core: disable memory registration of fileystem-dax vmas
Date: Fri, 10 Nov 2017 10:01:19 +0100 [thread overview]
Message-ID: <20171110090119.GB4895@lst.de> (raw)
In-Reply-To: <151001624138.16354.16836728315400060928.stgit@dwillia2-desk3.amr.corp.intel.com>
On Mon, Nov 06, 2017 at 04:57:21PM -0800, Dan Williams wrote:
> Until there is a solution to the dma-to-dax vs truncate problem it is
> not safe to allow RDMA to create long standing memory registrations
> against filesytem-dax vmas.
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Dan Williams <dan.j.williams@intel.com>
Cc: akpm@linux-foundation.org, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, Jeff Moyer <jmoyer@redhat.com>,
stable@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
linux-mm@kvack.org, Doug Ledford <dledford@redhat.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
Sean Hefty <sean.hefty@intel.com>,
Hal Rosenstock <hal.rosenstock@gmail.com>
Subject: Re: [PATCH 2/3] IB/core: disable memory registration of fileystem-dax vmas
Date: Fri, 10 Nov 2017 10:01:19 +0100 [thread overview]
Message-ID: <20171110090119.GB4895@lst.de> (raw)
In-Reply-To: <151001624138.16354.16836728315400060928.stgit@dwillia2-desk3.amr.corp.intel.com>
On Mon, Nov 06, 2017 at 04:57:21PM -0800, Dan Williams wrote:
> Until there is a solution to the dma-to-dax vs truncate problem it is
> not safe to allow RDMA to create long standing memory registrations
> against filesytem-dax vmas.
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
--
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next prev parent reply other threads:[~2017-11-10 9:01 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-07 0:57 [PATCH 0/3] introduce get_user_pages_longterm() Dan Williams
2017-11-07 0:57 ` Dan Williams
2017-11-07 0:57 ` [PATCH 1/3] mm: introduce get_user_pages_longterm Dan Williams
2017-11-07 0:57 ` Dan Williams
2017-11-10 9:01 ` Christoph Hellwig
2017-11-10 9:01 ` Christoph Hellwig
2017-11-07 0:57 ` [PATCH 2/3] IB/core: disable memory registration of fileystem-dax vmas Dan Williams
2017-11-07 0:57 ` Dan Williams
[not found] ` <151001624138.16354.16836728315400060928.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-11-10 9:01 ` Christoph Hellwig [this message]
2017-11-10 9:01 ` Christoph Hellwig
2017-11-10 9:01 ` Christoph Hellwig
2017-11-07 0:57 ` [PATCH 3/3] [media] v4l2: disable filesystem-dax mapping support Dan Williams
2017-11-07 0:57 ` Dan Williams
2017-11-07 8:33 ` Mauro Carvalho Chehab
2017-11-07 8:33 ` Mauro Carvalho Chehab
2017-11-07 17:43 ` Dan Williams
2017-11-07 17:43 ` Dan Williams
2017-11-07 20:39 ` Mauro Carvalho Chehab
2017-11-07 20:39 ` Mauro Carvalho Chehab
2017-11-08 0:13 ` Dan Williams
2017-11-08 0:13 ` Dan Williams
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