From: William Kucharski <william.kucharski@oracle.com>
To: Jan Kara <jack@suse.cz>
Cc: Jason Gunthorpe <jgg@ziepe.ca>,
Christopher Lameter <cl@linux.com>,
Jerome Glisse <jglisse@redhat.com>,
john.hubbard@gmail.com, Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Al Viro <viro@zeniv.linux.org.uk>,
Christian Benvenuti <benve@cisco.com>,
Christoph Hellwig <hch@infradead.org>,
Dan Williams <dan.j.williams@intel.com>,
Dave Chinner <david@fromorbit.com>,
Dennis Dalessandro <dennis.dalessandro@intel.com>,
Doug Ledford <dledford@redhat.com>,
Ira Weiny <ira.weiny@intel.com>,
Matthew Wilcox <willy@infradead.org>,
Michal Hocko <mhocko@kernel.org>,
Mike Rapoport <rppt@linux.ibm.com>,
Mike Marciniszyn <mike.marciniszyn@intel.com>,
Ralph Campbell <rcampbell@nvidia.com>,
Tom Talpey <tom@talpey.com>, LKML <linux-kernel@vger.kernel.org>,
linux-fsdevel@vger.kernel.org, John Hubbard <jhubbard@nvidia.com>
Subject: Re: [PATCH v3 0/1] mm: introduce put_user_page*(), placeholder versions
Date: Thu, 14 Mar 2019 14:25:35 -0600 [thread overview]
Message-ID: <3AF66C8F-F4BC-4413-A01C-3C90A3C27B28@oracle.com> (raw)
In-Reply-To: <20190314133038.GJ16658@quack2.suse.cz>
> On Mar 14, 2019, at 7:30 AM, Jan Kara <jack@suse.cz> wrote:
>
> Well I have some crash reports couple years old and they are not from QA
> departments. So I'm pretty confident there are real users that use this in
> production... and just reboot their machine in case it crashes.
Do you know what the use case in those crashes actually was?
I'm curious to know they were actually cases of say DMA from a video
capture card or if the uses posited to date are simply theoretical.
It's always good to know who might be doing this and why if for no other
reason than as something to keep in mind when designing future interfaces.
next prev parent reply other threads:[~2019-03-14 20:26 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-06 23:54 john.hubbard
2019-03-06 23:54 ` [PATCH v3 1/1] " john.hubbard
2019-03-08 2:58 ` Christopher Lameter
2019-03-08 3:15 ` John Hubbard
2019-03-08 17:43 ` Weiny, Ira
2019-03-08 17:57 ` Jerome Glisse
2019-03-08 21:27 ` John Hubbard
2019-03-12 15:30 ` Ira Weiny
2019-03-13 0:38 ` John Hubbard
2019-03-13 14:49 ` Ira Weiny
2019-03-14 3:19 ` John Hubbard
2019-03-07 8:37 ` [PATCH v3 0/1] " Ira Weiny
2019-03-08 3:08 ` Christopher Lameter
2019-03-08 19:07 ` Jerome Glisse
2019-03-12 4:52 ` Christopher Lameter
2019-03-12 15:35 ` Jerome Glisse
2019-03-12 15:53 ` Jason Gunthorpe
2019-03-13 19:16 ` Christopher Lameter
2019-03-13 19:33 ` Jerome Glisse
2019-03-14 9:03 ` Jan Kara
2019-03-14 12:57 ` Jason Gunthorpe
2019-03-14 13:30 ` Jan Kara
2019-03-14 20:25 ` William Kucharski [this message]
2019-03-14 20:37 ` John Hubbard
2019-03-10 22:47 ` Dave Chinner
2019-03-12 5:23 ` Christopher Lameter
2019-03-12 10:39 ` Ira Weiny
2019-03-12 22:11 ` Dave Chinner
2019-03-12 15:23 ` Ira Weiny
2019-03-13 16:03 ` Christoph Hellwig
2019-03-13 19:21 ` Christopher Lameter
2019-03-14 9:06 ` Jan Kara
2019-03-18 20:12 ` John Hubbard
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