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| author |   Mike Rapoport <rppt@linux.vnet.ibm.com> | 2017-08-02 13:32:24 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-08-02 17:16:13 -0700 |
| commit | 5a18b64e3f02125be1c0ef777501ae38aafe2a24 (patch) | |
| tree | 88de1eff4972ac8c6acd682682e497f7a29f7eda /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | ipc: add missing container_of()s for randstruct (diff) | |
| download | wireguard-linux-5a18b64e3f02125be1c0ef777501ae38aafe2a24.tar.xz wireguard-linux-5a18b64e3f02125be1c0ef777501ae38aafe2a24.zip | |
userfaultfd: non-cooperative: flush event_wqh at release time
There may still be threads waiting on event_wqh at the time the
userfault file descriptor is closed. Flush the events wait-queue to
prevent waiting threads from hanging.
Link: http://lkml.kernel.org/r/1501398127-30419-1-git-send-email-rppt@linux.vnet.ibm.com
Fixes: 9cd75c3cd4c3d ("userfaultfd: non-cooperative: add ability to report
non-PF events from uffd descriptor")
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions