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a1f8e69814
commiteb9be8310cupstream. The patchwork automation reported a sparse complaint that spin_shadow_stack was not declared and should be static: ../arch/riscv/kernel/traps.c:335:15: warning: symbol 'spin_shadow_stack' was not declared. Should it be static? However, this is used in entry.S and therefore shouldn't be static. The same applies to the shadow_stack that this pseudo spinlock is trying to protect, so do like its charge and add a declaration to thread_info.h Signed-off-by: Conor Dooley <conor.dooley@microchip.com> Fixes:7e1864332f("riscv: fix race when vmap stack overflow") Reviewed-by: Guo Ren <guoren@kernel.org> Link: https://lore.kernel.org/r/20230210185945.915806-1-conor@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.