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95d56dfaa0
The `cpu-release-addr` property is relevant only when the "spin-table" enable method is used. It is the physical address where the bootloader expects Linux to write the secondary CPU entry point's physical address. On this platform, only the CFE bootloader uses this method: U-Boot uses PSCI instead. CFE actually walks the FDT to learn this address, so we're free to put it wherever we want. We only need to make sure that it goes in a reserved-memory block so that writing to it during early boot does not risk conflicting with an unrelated memory allocation: this was not done. Since the previous patch reserved the first page of memory for CFE's secondary-CPU init stub, which is actually much smaller than a page, just put this address at the end of that page and it shall be so protected. Signed-off-by: Sam Edwards <CFSworks@gmail.com> Link: https://lore.kernel.org/r/20241005050155.61103-3-CFSworks@gmail.com Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com> |
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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.