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a87e7d3e88
ftrace creates entries for each syscall in the tracefs but has failed since commit08d0ce30e0("riscv: Implement syscall wrappers") which prefixes all riscv syscalls with __riscv_. So fix this by implementing arch_syscall_match_sym_name() which allows us to ignore this prefix. And also ignore compat syscalls like x86/arm64 by implementing arch_trace_is_compat_syscall(). Fixes:08d0ce30e0("riscv: Implement syscall wrappers") Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Tested-by: Björn Töpel <bjorn@rivosinc.com> Link: https://lore.kernel.org/r/20231003182407.32198-1-alexghiti@rivosinc.com Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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.