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KPROBES_ON_FTRACE is only available on powerpc64le. Update comment to clarify this. Also, we should use an offset of 8 to ensure that the probe does not fall on ftrace location. The current offset of 4 will fall before the function local entry point and won't fire, while an offset of 12 or 16 will fall on ftrace location. Offset 8 is currently guaranteed to not be the ftrace location. Link: http://lkml.kernel.org/r/3d32e8fa076070e83527476fdfa3a747bb9a1a3a.1499453040.git.naveen.n.rao@linux.vnet.ibm.com Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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.