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ac7127e1cc
Allow for arguments to be passed in to ftrace_regs by default. If this is set, then arguments and stack can be found from the pt_regs. 1. HAVE_DYNAMIC_FTRACE_WITH_ARGS don't need special hook for graph tracer entry point, but instead we can use graph_ops::func function to install the return_hooker. 2. Livepatch requires this option in the future. Signed-off-by: Qing Zhang <zhangqing@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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.