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27122c079f
[ 71.490669] WARNING: CPU: 3 PID: 17070 at io_uring/io_uring.c:769
io_cqring_event_overflow+0x47b/0x6b0
[ 71.498381] Call Trace:
[ 71.498590] <TASK>
[ 71.501858] io_req_cqe_overflow+0x105/0x1e0
[ 71.502194] __io_submit_flush_completions+0x9f9/0x1090
[ 71.503537] io_submit_sqes+0xebd/0x1f00
[ 71.503879] __do_sys_io_uring_enter+0x8c5/0x2380
[ 71.507360] do_syscall_64+0x39/0x80
We decoupled CQ locking from ->task_complete but haven't fixed up places
forcing locking for CQ overflows.
Fixes:
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.