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a9d4e9f0e8
For systems having CONFIG_NR_CPUS set to > 1024 in kernel config the selftest fails as arena_spin_lock_irqsave() returns EOPNOTSUPP. (eg - incase of powerpc default value for CONFIG_NR_CPUS is 8192) The selftest is skipped incase bpf program returns EOPNOTSUPP, with a descriptive message logged. Tested-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com> Signed-off-by: Saket Kumar Bhaskar <skb99@linux.ibm.com> Link: https://lore.kernel.org/r/20250913091337.1841916-1-skb99@linux.ibm.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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.