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513c1a3d3f
Pull tracing fix from Steven Rostedt: "Fix regression in poll() and select() With the fix that made poll() and select() block if read would block caused a slight regression in rasdaemon, as it needed that kind of behavior. Add a way to make that behavior come back by writing zero into the 'buffer_percentage', which means to never block on read" * tag 'trace-v6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing: Fix poll() and select() do not work on per_cpu trace_pipe and trace_pipe_raw
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.