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ee95b88d71
Perf gets the number of supported counters from SBI. If it happens that the number of returned counters more than RISCV_MAX_COUNTERS the code trusts it. It does not lead to an immediate problem but can potentially lead to it. Prevent getting more than RISCV_MAX_COUNTERS from SBI. Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20230505072058.1049732-1-v.v.mitrofanov@yadro.com 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.