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c948d9f80c
Add scx_cpu0, a simple scheduler that queues all tasks to a single DSQ and
only dispatches them from CPU0 in FIFO order. This is useful for testing bypass
behavior when many tasks are concentrated on a single CPU. If the load balancer
doesn't work, bypass mode can trigger task hangs or RCU stalls as the queue is
long and there's only one CPU working on it.
v2: Check whether task is on CPU0 at enqueue using scx_bpf_task_cpu() instead
of nr_cpus_allowed (Andrea Righi).
Cc: Dan Schatzberg <schatzberg.dan@gmail.com>
Cc: Emil Tsalapatis <etsal@meta.com>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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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 reStructuredText 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.