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author | Pavel Begunkov <asml.silence@gmail.com> | 2021-02-20 18:03:50 +0000 |
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committer | Jens Axboe <axboe@kernel.dk> | 2021-02-20 19:02:45 -0700 |
commit | 88f171ab7798a1ed0b9e39867ee16f307466e870 (patch) | |
tree | ebf5d995e9e60ac00006956613065a9cde92428c /tools/perf/scripts/python/netdev-times.py | |
parent | f2303b1f8244d88ffca28d3be6166ce4835cc27a (diff) |
io_uring: wait potential ->release() on resurrect
There is a short window where percpu_refs are already turned zero, but
we try to do resurrect(). Play nicer and wait for ->release() to happen
in this case and proceed as everything is ok. One downside for ctx refs
is that we can ignore signal_pending() on a rare occasion, but someone
else should check for it later if needed.
Cc: <stable@vger.kernel.org> # 5.5+
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/netdev-times.py')
0 files changed, 0 insertions, 0 deletions