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After previous commit, we are minimizing helper specific assumptions from check_func_arg_reg_off, making it generic, and offloading checks for a specific argument type to their respective functions called after check_func_arg_reg_off has been called. This allows relying on a consistent set of guarantees after that call and then relying on them in code that deals with registers for each argument type later. This is in line with how process_spin_lock, process_timer_func, process_kptr_func check reg->var_off to be constant. The same reasoning is used here to move the alignment check into process_dynptr_func. Note that it also needs to check for constant var_off, and accumulate the constant var_off when computing the spi in get_spi, but that fix will come in later changes. Acked-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20221207204141.308952-6-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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.