According to the RISC-V calling convention register usage here [0], a0 is used as return value register, so rename it to make it consistent with the spec. [0] section 18.2, table 18.2 https://riscv.org/wp-content/uploads/2015/01/riscv-calling.pdf Fixes: 589fed479ba1 ("riscv, libbpf: Add RISC-V (RV64) support to bpf_tracing.h") Signed-off-by: Yixun Lan <dlan@gentoo.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Björn Töpel <bjorn@kernel.org> Acked-by: Amjad OULED-AMEUR <ouledameur.amjad@gmail.com> Link: https://lore.kernel.org/bpf/20220706140204.47926-1-dlan@gentoo.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.
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