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As the number of cpus increases, the sccb response can exceed 4k for read cpu and read scp info sclp commands. Hence, all cpu info entries cant be embedded within a sccb response Solution: To overcome this limitation, extended sccb facility is provided by sclp. 1. Check if the extended sccb facility is installed. 2. If extended sccb is installed, perform the read scp and read cpu command considering a max sccb length of three page size. This max length is based on factors like max cpus, sccb header. 3. If extended sccb is not installed, perform the read scp and read cpu sclp command considering a max sccb length of one page size. Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com> Reviewed-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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.