From: Pavel Begunkov <asml.silence@gmail.com>
To: Jens Axboe <axboe@kernel.dk>, io-uring@vger.kernel.org
Cc: Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@linux.com>, Joakim Hassila <joj@mac.com>
Subject: [PATCH 0/2] fix hangs with shared sqpoll
Date: Fri, 16 Apr 2021 01:22:50 +0100 [thread overview]
Message-ID: <cover.1618532491.git.asml.silence@gmail.com> (raw)
Late catched 5.12 bug with nasty hangs. Thanks Jens for a reproducer.
Pavel Begunkov (2):
percpu_ref: add percpu_ref_atomic_count()
io_uring: fix shared sqpoll cancellation hangs
fs/io_uring.c | 5 +++--
include/linux/percpu-refcount.h | 1 +
lib/percpu-refcount.c | 26 ++++++++++++++++++++++++++
3 files changed, 30 insertions(+), 2 deletions(-)
--
2.24.0
next reply other threads:[~2021-04-16 0:27 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-16 0:22 Pavel Begunkov [this message]
2021-04-16 0:22 ` [PATCH 1/2] percpu_ref: add percpu_ref_atomic_count() Pavel Begunkov
2021-04-16 4:45 ` Dennis Zhou
2021-04-16 13:16 ` Pavel Begunkov
2021-04-16 14:10 ` Ming Lei
2021-04-16 14:37 ` Dennis Zhou
2021-04-19 2:03 ` Ming Lei
2021-04-16 15:31 ` Bart Van Assche
2021-04-16 15:34 ` Jens Axboe
2021-04-16 0:22 ` [PATCH 2/2] io_uring: fix shared sqpoll cancellation hangs Pavel Begunkov
2021-04-16 0:26 ` [PATCH 0/2] fix hangs with shared sqpoll Pavel Begunkov
2021-04-16 13:04 ` Jens Axboe
2021-04-16 13:12 ` Pavel Begunkov
2021-04-16 13:58 ` Jens Axboe
2021-04-16 14:09 ` Pavel Begunkov
2021-04-16 14:42 ` Pavel Begunkov
[not found] ` <20210417013115.15032-1-hdanton@sina.com>
2021-04-18 13:56 ` Pavel Begunkov
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