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New versions of OPAL have a device node /ibm,opal/firmware/exports, each property of which describes a range of memory in OPAL that Linux might want to export to userspace for debugging. This patch adds a sysfs file under 'opal/exports' for each property found there, and makes it read-only by root. Signed-off-by: Matt Brown <matthew.brown.dev@gmail.com> [mpe: Drop counting of props, rename to attr, free on sysfs error, c'log] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.