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Author SHA1 Message Date
Michael Kerrisk 7b8695f29c userfaultfd.2: Describe close() semantics for userfaultfd 
Reported-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 1bf00323f5 userfaultfd.2: Note that O_NONBLOCK flag is required for poll() etc. 
And better word the associated FIXME.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 4f03f0cc36 userfaultfd.2: srcfix: remove a FIXME 
According to Mike Rapoport, the details are correct,
"at least for the current upstream version. 4.11 will
have quite a few updates to userfaultfd."

Reported-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk b4023444af userfaultfd.2: srcfix: improve FIXMEs 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 00f4853c43 userfaultfd.2: wsfix 
Signed-off-by: Michael Kerrisk <mtk@man7.org>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk de6943fab3 userfaultfd.2: Mention some use cases 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 6d3e02a507 userfaultfd.2: SEE ALSO: add madvise(2) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk b07243abe1 userfaultfd.2: Add an example program 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 3f894561c0 userfaultfd.2: Add a header file to the SYNOPSIS 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 0289632060 userfaultfd.2: srcfix: FIXME 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 058b32ac70 userfaultfd.2: Describe errors for read() on userfaultfd 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 68a9e23c1f userfaultfd.2: tfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:39 +02:00
Michael Kerrisk 54e031a158 userfaultfd.2: Add information on reading userfaultfd events 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 95f1d14991 userfaultfd.2: Add some overview notes on usage 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 0da8f5c1f1 userfaultfd.2: Add VERSIONS section 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 05a59f10f9 userfaultfd.2: srcfix: add FIXMEs 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 6bc6d12409 userfaultfd.2: Split description of ioctl(2) operation off to a separate page 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 0d84ae2f5e userfaultfd.2: Add some more detail for UFFDIO_API 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 612d7e763d userfaultfd.2: tfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 7134f2f4f7 userfaultfd.2: ffix 
Reported-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 269b235f77 userfaultfd.2: Add details for UFFDIO_WAKE 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 543ad56e76 userfaultfd.2: ffix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk d53cfcc817 userfaultfd.2: Add an introductory section on the ioctl(2) operations 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 46c15a0426 userfaultfd.2: Expand description of UFFDIO_UNREGISTER 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 01dbb172a1 userfaultfd.2: Correct 'uffdio_range' structure: 'end' ==> 'len' 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:38 +02:00
Michael Kerrisk 5074d8466a userfaultfd.2: Note that UFFDIO_API must be the first ioctl(2) 
And note that ioctl() fails with EINVAL if another ioctl(2)
is attempted before UFFDIO_API.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:37 +02:00
Michael Kerrisk a34fda4104 userfaultfd.2: srcfix: FIXME poll/epoll/select 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:37 +02:00
Michael Kerrisk 4aa7f5cf0d userfaultfd.2: Various edits to Mike Rapoport's new page 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:37 +02:00
Mike Rapoport bf9b515861 userfaultfd.2: New page describing userfaultfd(2) system call. 
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2017-04-25 12:56:37 +02:00